If a couple is planning on having three children, what is the probability that only one will be male?
A) 0
B) 1/4
C) 3/8
D) 1/2
E) 3/4

Question

Quizplus · Accepted Answer

The probability of having a male (M) or female (F) child is 1/2 for each child. The scenarios where only one child is male are: MFF, FMF, and FFM. Each of these scenarios has a probability of (1/2)^3 = 1/8. Since there are three such scenarios, the total probability is 3 * 1/8 = 3/8.

If a Couple Is Planning on Having Three Children, What