Question

A fair coin is tossed 4
times. What is the probability that tosses will result in 3 heads and 1 tails in any order?(1 point)
Responses

1/16
1 over 16

3/16
3 over 16

1/4
1 fourth

3/4

Answer 1

There are C(4,3) = 4 ways to get 3 heads and 1 tail. Each sequence has probability (1/2)^4 = 1/16, so total probability = 4·(1/16) = 4/16 = 1/4.