Solve the problem.
-Find the expected number of girls in a family of 3 children.
A) 2
B) 1.5
C) 2.25
D) 2.5

Name: Solve the problem. -Find the expected number of girls in a family of 3 children. A) 2 B) 1.5 C) 2.25 D) 2.5
Brand: Quizplus
Rating: 4.9 (32 reviews)

Question

Quizplus · Accepted Answer

The expected number of girls in a family of 3 children can be calculated by multiplying the probability of having a girl (1/2) by the number of children (3). So, the expected number of girls is (1/2) * 3 = 1.5.

Solve the Problem. -Find the Expected Number of Girls in a Family of a Family