The probability of getting 2 heads and 1 tail when three coins are tossed is 3 in 8. Find the odds of not getting 2 heads and 1 tail.

Question

ANSWER: 5:8?

Three Coins are tossed. Find the probability that exactly 2 coins show heads if the first coin shows heads.?

ANSWERS: Could it be 1/4?

Answer 1

The first answer is correct.

For the second, once you have the first head there are four possibilities for the other two coins:

HH
TT
TH
HT

They must show one head for there to be two heads. What proportion do you find?

I hope this helps. Thanks for asking.

Answer 2

5:8