Question

What is the expected number of female children in a family with three children? 1 1. 5 2 2002. 5.

Answer 1

The expected number of female children in a family with three children is 1.5.

The correct option is B.

We have to determine

What is the expected number of female children in a family with three children?

Probability;

Probability is defined as the sum of all observations and the number of observations.

The expected value of female children= Probability of female children x Total number of children.

A child can be male or female, so there are 2 combinations, the favorable outcome is female.

The probability of female children = 1/2.

Therefore,

The expected number of female children in a family with three children is;

$= \dfrac{1}{2}\times 3\\\\=1.5$

Hence, The expected number of female children in a family with three children is 1.5.

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brainly.com/question/743546