# math

posted by .

Clayton has three fair coins. Find the probablitlity that he gets two tails and one head when he flips the three coins.

• math -

The possibilities are:

HHH
HHT
HTH
THH
TTH
THT
HTT
TTT

Out of the eight, how many involve two tails and one head?

I hope this helps.

• math -

3/8

## Similar Questions

1. ### Math

You have 16 coins that are heads up and 18 coins that are tails up. After you add some coins that are tails up, the ratio of heads up to tails up is 1 to 1.5. How many coins are tails up?

You have 16 coins that are heads up and 18 coins that are tails up. After you add some coins that are tails up, the ratio of heads up to tails up is 1 to 1.5. How many coins are tails up?
3. ### Math

You have 16 coins that are heads up and 18 coins that are tails up. After you add some coins that are tails up, the ratio of heads up to tails up is 1 to 1.5. How many coins are tails up?
4. ### math

you have16 coins that are heads up an18 coins that are tails up. After you add some coins that are tails up, the ratio of heads up to tails up is 1 to 1.5. How many coins are tails up?
5. ### maths

Suppose there are 10 coins laid out in front of you. All of the coins are fair (i.e. have an equal chance of heads or tails) except one, which flips to heads every time. You draw one coin at random and flip it 5 times. If each of the …

7. ### Math

Four coins fall onto the floor. Find the probability that (a) exactly three coins land heads up (b) all coins land tails up (c) two or more coins land heads up (d) no more than two coins land tails up (e) at least one coin lands tails …
8. ### MATHS

Three fair coins are tossed at the same time. What is the probability that one of the coins will show heads and other two will show tails?
9. ### MATHS

Three fair coins are tossed at the same time. What is the probability that one of the coins will show heads and other two will show tails?
10. ### math

Suppose I have 8 coins.4 of them have heads on both sides and the other 4 have tails on both sides. I reach in and get 4 coins at one time. What's the probability that I get 2 head coins and 2 tails?

More Similar Questions