# A Coin Is Tossed Three Times What Is The Probability Of Getting 3 Heads

If a coin is tossed 12 times, the maximum probability of getting heads is 12. Users may refer the below detailed solved example with step by step calculation to learn how to find what is the probability of getting exactly 3 heads, if a coin is tossed five times or 5 coins tossed together. A fair coin is tossed 5 times. List all eight outcomes in the sample space. They are: HHH, HHT, HTH, THH, HTT, THT, TTH, and TTT. If the coin is tossed twice, find the probability distribution of number of tails. Question: 520. He wins Rs. Now let's put both dice and coins together. Do another SAT math 1&2 subject practice tests. then the outcomes when 3 coins are tossed simultaneously are. exactly 3 heads. There are many other kinds of situations, however, where the probability of an event is not independent but dependent — that is, where the. Check out our other channels here NORRIS NUTS. Two coin are tossed 400 times and we get a. A coin on average will come up heads 50% of the time. Three coins are tossed up in the air. D: The probability of getting three aces in a row is the product of the probabilities for each draw. at most two heads(using binomial distribution). There are three tosses. What is the probability of getting a. This is the first post in a multipart series on credit risk models. Probability and Statistics Fourth Edition. thats why our thought process is wrong. (If it starts out as heads, there's a 51% chance it will end as heads). But the number of possible ways of getting 7 heads out of 10 tosses is equal to 10C7, since this is equal to the number of possible ways of choosing which 7 out of 10 tosses are heads. A fair coin is tossed 5 times. What is the probability of getting at least 3 heads when 5 coins are tossed at same time? For the experiment of tossing a single fair coin 3 times, what is the probability of getting exactly 2 heads,?. a fair die is thrown five times, find the probability of obtaining a six three times. 5: And so the chance of getting 3 Heads in a row is 0. There is a 12. A conditional probability is defined as the probability of one event, given that some other event has occurred. HideShow timer Statistics. The probability of drawing the ace of spades from a deck of. So what's the probability, I think you're getting, maybe getting the hang of it at this point. Probability puzzles require you to weigh all the What is the probability that they will play each other in some match during the tournament?. If you toss a coin three times, there are a total of eight possible outcomes. Revise the probability in 1. Solution for A fair coin is flipped six times. 5 for obtaining a head when a coin is tossed. The investigation, however, is far from complete; it has en-tered the third and often the most difficult phase, namely, gathering the facts neces¬sary in the trial to prove the guilt of the accused. Opening scene of Rosencrantz & Guildenstern Are Dead contemplating probability. I offer to pay you $1 if we do not get the same amount of heads, if you. Three coins are tossed up in the air, one at a time. There were five heads and three tails in the eight tosses. Sollicitatievragen voor Senior Solutions Developer in Maadi Cornish. The number of heads in three tosses could be 0, 1, 2, or 3, and the number of runs in a sequence could be 1, 2, or 3. Probability of getting exactly 8 heads in tossing a coin 12 times is 495/4096. But, 12 coin tosses leads to #2^12#, i. A fair coin is tossed three times. What is the probability of the event only heads or only tails? The upward face of the coin—a head or a tail—determines the experimental outcomes (sample points). Assuming the outcomes to be equally likely, find the probability that all three tosses are “Heads. We use the experiement of tossing a coin three times to create the probability distribution This is a basic introduction to a probability distribution table. Probability GCSE Maths revision, covering probability single & multiple events, the rules of probability and probability trees, including examples and For example, the probability of flipping a coin and it being heads is ½, because there is 1 way of getting a head and the total number of. A) you will have a combination like THTHTH, which cannot be included as 3 heads are not in a row. As the number of tosses of a coin increases, the number of heads will be getting closer and closer to the number of tails. Do another SAT math 1&2 subject practice tests. A biased coin is tossed ten times. So the probability is. #color(green){H}# represents a head while #color(red){T}# represents a tail. So we must multiply three probabilities. EDIT #2: By "no retosses" I mean that your algorithm for obtaining the 1/3 probability can not have a "retoss until you get 1/3" rule which can theoretically cause you to toss infinitely many times. Once in the "3 tails" section which is TTTH and once in the "4 tails" section, which is TTTT. The most important consequence of the domination of intuition is the pervasiveness of confirmation bias—the tendency to seek out and interpret information that confirms what you already think. As per the solution above, we already have a The probability of finding exactly be the number of times a fair coin is tossed up to and including the first time the coin comes Suppose we stop tossing the. Repeat this 8 times and store the number of heads for each one. If you toss a coin 10 times, how many heads and how many tails would you expect to get? Working with a partner, have one person toss a coin in 2 tries = ½ or 50% chance  Toss the coin 3 times, probability of each coin landing heads up is ½ for each of the three tosses: ½ x ½ x ½ = 1/8 (flip 1). (Hint: Drawing a sample space will help). Suppose: the 1st coin has probability $$p_H$$ of landing heads up and $$p_T$$ of landing tails up;. What is the probability of tossing a coin 5 times and getting 2 tails and 3 heads in that order? Responder preguntas ¿quien responda se lleva 5 puntos 1. A player tosses 3 fair coins. A coin toss is a binomial random variable. A coin is tossed three times. Based on the experimental probability, how many times should Kuan expect to get 3 heads in the next 55 tosses?. Unfortunately, I do not believe I was successful in explaining to Kent why my figures were correct. Law of Averages and the Law of Large Numbers. There are many other kinds of situations, however, where the probability of an event is not independent but dependent — that is, where the. This is a problem that takes some time and a few steps to solve. That is, we know if we toss a coin we expect a probability of 0. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry. A coin is tossed three times. A coin flip: A fair coin is tossed three times. A biased coin is tossed ten times. If it's a fair coin, then each time there's 1/2 chance each of heads and tails. 1 if only 1 head occurs. So five flips of this fair coin. Given that we have at least one head the probability that there are at least 2 heads. the coin lands heads more than once. Symbolically P(A or B) or P(A U B) = P(A) + P(B)  The theorem can be extended to three. ) What is the probability of getting heads on only one of your flips? B. You need to enable JavaScript to run this app. (Enter your answer to five decimal places. 375) plus the probability of getting 2 heads (0. Given that it is rainy, there will be heavy traffic with probability$\frac{1}{2}$, and given that it is not rainy, there will be heavy traffic with probability$\frac{1}{4}$. Alan Gauld Look again at. What is the probability of getting more than 9 and Why is it reasonable to say that the number of coins in 30 tosses is approximately distributed normal?. Three evenly spaced dots forming an ellipsis: "". Two crossed lines that form an 'X'. For each toss of a coin a "Head" has a probability of 0. So we must multiply three probabilities. ) What is the probability of getting heads on only one of your flips? B. of times tails occur = 215 Probability of getting tails when coin is tossed at random = 215/500 = 43/100. Then the possible values of X are 0,1,2 and 3. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry. If she gets 3, 4, 5 or 6, she tosses a coin once and notes whether a ‘head’ or ‘tail’ is obtained. 7870 and the probability of getting three or more heads in a row or three or more tails in a row is 0. What is the probability that all 3 tosses will result in heads? A)1/2. If you flip 3 coins and I tell you that you got at least one heads, what's the probability that all three came up heads? I came up with 2 different answers to this question depending how you interrupt knowing that one is a heads. What is the probability of the event that heads comes up on the first toss or the I did another attempt where I multiplied the probability of getting a Heads multiplied by 1/3, which is the number of trials So then for that I got 1/2 x 1/3 + 1/2 x. The frequency with which the coin lands heads is three out of four, and it can never be tossed again. Algebra -> Probability-and-statistics-> SOLUTION: A fair coin is tossed 5 times. Coin toss probability is explored here with simulation. The coin will be tossed until your desired run in heads is achieved. If the coin is tossed two times and you want the probability of getting 2 heads, that's the probability of getting a head on the first toss AND getting a head on the 2nd toss. Then work out the probability p of getting a See attached sheet for the probabilities. If you toss a coin 3 times, you're going to get at least two heads or at least two tails, but you can't get _both_ 2 heads and 2 tails. 5: And so the chance of getting 3 Heads in a row is 0. Three Birds - Calculate the total number of miles three birds fly while zigzagging between each other during a trip from Probability questions pop up all the time. If you look at a chart you will see that the possible outcomes are HHH, HHT, HTH, HTT, THH, THT, TTH and TTT. 1 if only 1 head occurs. The answer would be a cumulative probability. If you need the probability of getting EXACTLY 2 tails then the probability is (3/8) or. What is the probability of getting exactly 6 heads? 2. sum of three times a. What is the probability of getting at most two heads? Unbiased coins means a coin having head and tail whereas a biased coin means having two heads or How many times a man can tossing a coin so that the probability of atleast one head is more than 80%?. Number of times one head appeared = 75. at least one head. Find the probability of getting the King of heart. for the binonial, or still easier, do it on a TI-83 or 84 with p =. In this video, we 'll explore the probability of getting at least one heads in multiple flips of a fair coin. ) Show solution. @BCCI Why can't it be shifted and also what was it planned in first place when everyone know Oct-Feb period is worst pollution Get real-time alerts and all the news on your phone with the all-new India Today app. Practice: Independent probability. 2 Coin Tossing and Probability Models 3. Let E be an event of getting heads in tossing the coin and S be the sample space of maximum possibilities of getting heads. Nov 02, 2019 · Get a Telegraph Sport subscription for £1 per week. Quantity A is greater. Play this game to review Probability. then the outcomes when 3 coins are tossed simultaneously are. What is the probability, P(k), of obtaining k heads? There are 16 different ways the coins might land; each is equally probable. It is not going to. The outcomes obtained whole a coin is tossed thrice are HHH, HHT, HTH, HTT, THH, THT, TTH, TTT. " In the above question assume that selecting a bad ball signifies a bad event. Still, it seems that Beth was right: the probability that the coin landed heads the first time is 50 per cent. A fair coin is tossed five times. " Q: This could finally be the first game, hopefully, where you have all of your offensive weapons available. We already know that the probability of landing on heads is. Later in this section we shall see a quicker way. Second toss, HH HT TH TT (example:first toss was H, second could be H or T and so on). Two sets of trials are shown. These are the things that get mathematicians excited. The probability of rolling a six on one die is 1/6. Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most. What is the probability of obtaining one Head and two Tails? (A fair coin is one that is not loaded, so there is an equal chance of it landing Heads up or Tails up. And what I want to think about in this video is the probability of getting exactly three heads. Three coins are tossed up in the air, one at a time. A fair-sided coin (which means no casino hanky-panky with the coin not coming up heads or tails 50% of the time) is tossed three times. When you register, you support the site and your question history is saved. In possibility theory, a The probability of happening an event can easily be found using. Determine a probability assignment for the simple events of the sample space S ={H,T} that reflects this bias. A fair coin is tossed 3 times, the probability of gitting 3 heads is? Let us understand that this is the probability of getting exactly 3 tails out of the 5 chances too. 5 we get this probability by assuming that the coin is fair, or heads and tails are equally likely. What is the probablity that 3 heads will occur?. So the difference is we multiply the probabilities in the independent events. If a coin is tossed 12 times, the maximum probability of getting heads is 12. Spun coins can exhibit "huge bias" (some spun. Sollicitatievragen voor Senior Solutions Developer in Maadi Cornish. Note that the last three cases for the coins chosen expand into eight diﬀerent cases when we care whether coin 2 or coin 3 is chosen. The reason the probability of flipping 3 heads in a row is due to conditional probability. Example 1: A fair coin is tossed 5 times. Algebra -> Probability-and-statistics-> SOLUTION: A fair coin is tossed 5 times. When the Seahawks won the coin toss and started overtime with the ball, was there any doubt about what was going to happen?. Willie Wong served as mayor of Mesa from 1992 to 1996. Youngs sends the kick long and Vermuelen is met by May. Best Answer: Probability of getting a head: 0. The ratio of successful events A = 4 to the total number of possible combinations of a sample space S = 8 is the probability of 2 tails in 3 coin tosses. The chances of getting a girl should be the same whether or not the rst child was a girl (after all, the coin doesn't know whether it came down heads or tails last time). Later in this section we shall see a quicker way. A math-ematical model for this experiment is called Bernoulli Trials (see Chapter 3). The final test of a criminal investigation is in the presentation of the evi¬dence in court. Probability of getting First Tail = 1/2 Probability of getting Second tail (Such that first tail has occurred, this incidentally is also the probability when first was head and second is tail) = 1/2 * 1/2 = 1/4 Probability of getting Third. The probability of getting a head on any one toss of this coin is 3/4. We never know the exact probability this way, but we can get a pretty good estimate. The Bucs got 67 yards and a touchdown on 18 carries from Jones, with two catches for 15 yards on two targets, tying the most touches Jones has ever had in a game. I want a free account. Trump's legal team to mount a defense. 5 probability of a particular two. was there for 30mins before parents noticed. The probability of getting a head on any one toss of this coin is 3/4. ( ) 1 1 7! 7 63 4 7,3 2 2 3! 4! C ⋅ = = ⋅ ⋅ ⋅ ⋅ ⋅ ⋅5 4 3 2 1 3 2 1⋅ ⋅ ⋅ ⋅ ⋅ ⋅4 3 2 1 7 35 128 1 2 = 2. But, 12 coin tosses leads to #2^12#, i. If the coin is spun, rather than tossed, it can have a much-larger-than-50% chance of ending with the heavier side down. Gmm to three decimal places. a coin flip; a coin toss PK ¹^nK\¨ ¥†À%áˆ''02_Tier 1 PBIS & PSC Coaching Guide. It describes the probability distribution of a process that has two possible outcomes. What is the probability of obtaining exactly 3 heads. i think exactly like that, but then i would realize if we do that, what are the odds of gettin 3heads and 2 tails in no order???? wouldnt be 100%????? cuz its only a two sided coin and odds of gettin heads or tails is equal. What is the probability that (a) At least one of the dice shows an even number? P(at least one is even) = 1 - P(both are odd). What is the probability of getting (i) all heads, (ii) two heads, (iii) at least one head, (iv) at least two heads? Sol. self Question Solution - A fair coin is tossed three times in succession. asked by Dee on April 23, 2014; Math. com loan 1 Let an experiment consist of tossing a fair coin three times. Date: 04/21/2003 at 17:12:44 From: Maggie Subject: Probability In a box there are nine fair coins and one two-headed coin. One of two coins is selected at random and tossed three times. Tossing a Coin A balanced coin is tossed three times. One is a two-headed coin ( having head on both faces ), another is a biased coin that comes up heads 75% of the times and third is also a biased coin that comes up tails 40% of the times. They are: HHH, HHT, HTH, THH, HTT, THT, TTH, and TTT. find the probability of getting a result of an odd number of heads in 1/2 of the cases. A coin flip: A fair coin is tossed three times. 5 Probability of getting a tail = 0. In a short trial, heads may easily come up on every flip. There are three ways that can happen. The outcomes of the three tosses are recorded. There are many other kinds of situations, however, where the probability of an event is not independent but dependent — that is, where the. sum of three times a. Probability of Coin Tosses. One Head : 160 times c. 3 10 Illowsky et al. enter your value ans - 5/16. There were five heads and three tails in the eight tosses. The probability of rolling a six on one die is 1/6. Subjective probability is more connected to the original meaning of the word probable for example, because simply calculating the probability of any horse winning There are three types of probability problems that occur in mathematics. Poker night 2 steam achievement manager. Solution: n=20, p=0. 5 Number of heads$\leq$Number of tails. When three coins are tossed at random, what is the probability of getting : (i) 3 heads ? (ii) 2 heads Best Answer for Silver Coins, Round, Sloven A fair coin is tossed 5 times. Let E = event of getting exactly 3 heads. The Questions and Answers of A coin is tossed three times. The answer would be a cumulative probability. If$X\$ is the number of heads. A consecutive streak or a run can happen in random. what's the probability of getting three heads? You can put this solution on YOUR website! a fair coin is tossed 3 times, 1. A coin has a probability of 0. So let's start again with a fair coin. The chances of getting a girl should be the same whether or not the rst child was a girl (after all, the coin doesn't know whether it came down heads or tails last time). Note that this is the same as summing the probability of the 3 mutually exclusive events Given that we have at least one head the probability that there are at least 2 heads. Number of times two heads appeared = 55. Consider, you toss a coin once, the chance of occurring a head is 1 and chance of occurring a tail is 1. Wonder if Papa will left the coin decide if Naz gets a real Guinea Pig this time? Heads or tails will decide. What is the probability that exactly 3 heads occur?. Complimentary Events. Unfortunately, I do not believe I was successful in explaining to Kent why my figures were correct. what's the probability of getting three heads? You can put this solution on YOUR website! a fair coin is tossed 3 times, 1. An Easy GRE Probability Question. 5 Probability of getting a tail = 0. Httt tttt ttht thtt. Question: 520. The probability that an electronic device produced by a company does not function properly. Answer to You toss a coin three times. 5 Probability of getting a tail: 0. They are: HHH, HHT, HTH, THH, HTT, THT, TTH, and TTT. Example: Suppose 20 biased coins are flipped and each coin has a probability of 75% of coming up heads. Annie will toss a fair coin three times. We use the experiement of tossing a coin three times to create the probability distribution This is a basic introduction to a probability distribution table. Three coins are tossed once. What is the probability of getting (i) all heads, (ii) two heads, (iii) at least one head, (iv) at least two heads? Sol. 1 Let an experiment consist of tossing a fair coin three times. it can occur first, second or third. If you toss a coin 10 times, how many heads and how many tails would you expect to get? How about the results of your partners tosses? How close was each set of results to what was Probability and Segregation. What is the probability of getting neither an ace nor a king card? a. A coin is tossed n times. The probability that an electronic device produced by a company does not function properly. Find the probability of getting (i) 3 heads (ii) 2 heads (iii) at least 2 heads (iv) at most 2 heads (v) no head (vi) 3 tails (vii) exactly two tails (viii) no tail (ix) at most two tails. Let be the number of heads on the first two tosses, the number of heads on the last two tosses. There are three tosses. the level of inventory at the end of a given month, or the number of production runs on. Coin flipping, coin tossing, or heads or tails is the practice of throwing a coin in the air and checking which side is showing when it lands This penny has been flipped times. So the probability is ----- b) What is the probability of obtaining tails on each of the first 3 tosses That only happens 2 times. As it gets cumbersome to write the repeated multiplication, we can use exponents to simplify work. The probability of getting heads three times in 5 tries is 10/32. There are 15 girls and 15 boys in 8th period. a coin flip; a coin toss PK ¹^nK\¨ ¥†À%áˆ''02_Tier 1 PBIS & PSC Coaching Guide. When tossed, the first shows heads with probability 4/10, the second shows heads with probability 7/10. The results are similarly formatted. (a) What is the Posted 4 years ago. Probability of Getting 2 Heads in 3 Coin Tosses. 2) b) Use simulations to find an empirical probability for the probability of getting exactly 5 heads in 10 tosses of an unfair coin in which the probability of heads is 0. Find the probability that a common year (not a leap year) contains If one is randomly chosen, then what is the probability of getting non-faulty pen? 11. : Let 'S' be the sample - space. A coin is biased in such a way that a head is twice as likely to come up as a tails. Probability of Coin Tosses. If three fair coins are tossed randomly 175 times and it is found that three heads appeared 21 times, two heads appeared 56 times, one head appeared 63 times and zero head appeared 35 times. Ex: Consider tossing a fair coin. Based on the experimental probability, how many times should Kuan expect to get 3 heads in the next 55 tosses?. Fifty-three years later, family members cling to the hope that her murder will be solved. For instance, we can toss the coin many times and determine the proportion of the tosses that the coin comes up head. Users may refer the below solved example work with steps to learn how to find what is the probability of getting at-least 2 heads, if a coin is tossed three times or 3 coins tossed together. It indicates a way to close an interaction, or dismiss a notification. It's got this cool variegated blue glaze, with swirls of grays and blues with bits of browns and whites. What is the probability of flipping 3 coins and getting all heads flipping three coins and the possibility of getting all Probability Math Help For College. Download with Google Download with Facebook or download with email. The frequency with which the coin lands heads is three out of four, and it can never be tossed again. Every time we toss a fair coin, the probability of seeing heads is 1/2 regardless of what previous tosses have revealed. If the coin is fair, then by symmetry the probability of getting at least 2 heads is 50%. The question is: Suppose a fair coin is thrown three times. Probability of getting First Tail = 1/2 Probability of getting Second tail (Such that first tail has occurred, this incidentally is also the probability when first was head and second is tail) = 1/2 * 1/2 = 1/4 Probability of getting Third. 5% chance of all three tosses landing on heads. It is well known that the probability that a head turns up in a single toss of a coin is 0. what is the probability of getting exactly 8 heads in a row? c. Besides adding together the. quince medios de un numero es igual a cuarenta y cinco?. What is the probability that all 3 tosses will result in heads? A)1/2. Hhtt hhth ttth thht. ( ) 1 1 7! 7 63 4 7,3 2 2 3! 4! C ⋅ = = ⋅ ⋅ ⋅ ⋅ ⋅ ⋅5 4 3 2 1 3 2 1⋅ ⋅ ⋅ ⋅ ⋅ ⋅4 3 2 1 7 35 128 1 2 = 2. Let x = probability of winning after no heads (or a tail). If a coin is tossed three times what is the pribability of getting at most one tail and what is the probability of getting at most 2 head And plz also explain why you are taking hhh in case of at most one tail - Math - Probability. The probability of success, i. 7E-20 A fair coin is tossed 20 times. The reason the probability of flipping 3 heads in a row is due to conditional probability. Determine the probability of getting 2 heads in two successive tosses of a balanced coin. Perhaps you are expected to use the normal approximation to the binomial. One after another what is the probability that the first ball is red and second ball is yellow?. Solution 2: How could you use the entries in Pascal’s Triangle to solve this problem?. Pregunta de entrevista para Senior Solutions Developer en Maadi Cornish. As the number of tosses of a coin increases, the number of heads will be getting closer and closer to the number of tails. I need to write a python program that will flip a coin 100 times and then tell how many times tails and heads were flipped. Httt tttt ttht thtt. quince medios de un numero es igual a cuarenta y cinco?. EDIT - It's not 1/2^6, it's (1/2)^6. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry. An array of Asian-related grocery stores, restaurants and shops organically sprouted in Mesa. ) What is the probability of getting heads on only one of your flips? B. What is the probability that you will get heads all three times? of getting a heads. In general when a coin is tossed n times , the total number of possible outcomes = 2^n). Find simple formulae in terms of n and k for. Opening scene of Rosencrantz & Guildenstern Are Dead contemplating probability. What is the probability that exactly two tosses result in heads? Express your answer as a common fraction. If you look at a chart you will see that the possible outcomes are HHH, HHT, HTH, HTT, THH, THT, TTH and TTT. getting a 6, one each trial is 1/6. What is the probability of rolling a six on all four rolls?' and find homework help for other Math questions at eNotes A coin is tossed. One of two coins is selected at random and tossed three times. 7870 and the probability of What is the probability that three of the six possible outcomes do not show up and each of the other three possible. I respond to three objections, which claim that time-restricted laws lessen the coincidence of observed regularities without making it Those claims will be defended within three broad domains: quantum mechanics, classical statistical mechanics, and macroscopic chance events such as coin tosses. If you toss a coin, it will come up a head or a tail. find the probability of getting a head at least once Follow. Then S = { HHH, HHT, HTH, THH, HTT, THT, TTH, TTT } (i) Let 'E1' = Event of getting all heads, Then E1 = { HHH }. I believe that I have the trick coin, which has a probability of landing heads 40% of the time, p= 0. When two coins are tossed at random, what is the probability of getting a. 5 of coming up heads. Avasaram Component Library We are thrilled. Thus, the required probability is 2 ÷ 8 = 0. They are: HHH, HHT, HTH, THH, HTT, THT, TTH, and TTT. Let E be an event of getting heads in tossing the coin and S be the sample space of maximum possibilities of getting heads. According to this table, the theoretical probability of getting 6 heads in 10 tosses is 20. Probabilities can also be thought of in terms of relative frequencies. Curry gathers the kick and carries the ball back. Since these all have a probability of 12. Given N number of coins, the task is to find probability of getting at least K number of heads after tossing all the N Time Complexity: O(n) Auxiliary space: O(n). Answer : Option A Explanation : Total number of balls = 4 + 5 + 6 = 15 Let S be the sample space. The probability of getting a head on any one toss of this coin is 3/4. A pair of dice are rolled. Solution: Total number of trials = 250. Question: A Coin Flip: A Fair Coin Is Tossed Three Times. thats why our thought process is wrong. If you toss a coin 3 times, you're going to get at least two heads or at least two tails, but you can't get _both_ 2 heads and 2 tails. This is a problem that takes some time and a few steps to solve. What is the theoretical probability of both coins landing on heads?. The total number of outcomes = 2 ^6 =64 (it is because each toss has two possibilities Head or Tail. #color(blue){3" Heads"}#. If you need the probability of getting EXACTLY 2 tails then the probability is (3/8) or.