# math

please let me know the probability that in five tossess, a coin shows heads at least 3 times in succession?

1. 👍
2. 👎
3. 👁
1. could be
HHHTT
THHHT
TTHHH
HHHHT
THHHH
HHHHH

Each of those is (1/2)^5 = 1/32
so the prob(your event) = 6(1/32) = 3/16

1. 👍
2. 👎

## Similar Questions

1. ### Math

A biased coin lands heads with probabilty 2/3. The coin is tossed 3 times a) Given that there was at least one head in the three tosses, what is the probability that there were at least two heads? b) use your answer in a) to find

Please check my work thanks!! A number cube with the numbers 1 through 6 is rolled. Find the given probability. 1. P(number < 2) (1 point) A. 1/6

3. ### Math (help)

A coin is tossed, and a standard number cube is rolled. What is the probability that the coin shows heads and the number cube shows an even number? 1/6 1 1/4 1/2

4. ### probability

Jodie tosses a biased coin and throws two tetrahedral dice.The probability that the coin shows a head is. Each of the dice has four faces, numbered 1, 2, 3 and 4. Jodie’s score is calculated from the faces that the dice lands

1. ### math

a student claims that if a fair coin is tossed and comes up heads 5 times in a row, then according to the law of averages the probability of tails on the next toss is greater than the probability of heads. What is your reply?

2. ### Math

"The probability of getting heads on a biased coin is 1/3. Sammy tosses the coin 3 times. Find the probability of getting two heads and one tail". I thought that all you have to do is: (1/3)(1/3)(2/3) It makes sense to me, but

3. ### Algebra Probability

A coin is tossed twice. What is the probability of tossing heads, and then tails, given that the coin has already shown heads in the first toss?

4. ### Math

If a coin is tossed and a number cube is rolled, what is the probability that the coin shows heads and the number cube shows 3? I got 1/12 The choices are 1/12, 1/2,1/9,1/6, I tried everything and I'm not really sure about my

1. ### probability

We have an infinite collection of biased coins, indexed by the positive integers. Coin i has probability 2−i of being selected. A flip of coin i results in Heads with probability 3−i. We select a coin and flip it. What is the

2. ### probability

You flip a fair coin (i.e., the probability of obtaining Heads is 1/2) three times. Assume that all sequences of coin flip results, of length 3, are equally likely. Determine the probability of each of the following events. {HHH}:

3. ### Math

10. A coin is loaded so that the probability of heads is 0.55 and the probability of tails is 0.45, Suppose the coin is tossed twice and the results of tosses are independent. a.What is the probability of obtaining exactly two

4. ### Probability

Alice has two coins. The probability of Heads for the first coin is 1/3, and the probability of Heads for the second is 2/3. Other than this difference, the coins are indistinguishable. Alice chooses one of the coins at random and