Question

The results of a survey of 800 married couples and the number of children they had...

The results of a survey of 800 married couples and the number of children they had is shown below.

Number

of Children

Probability

0

.050

1

.125

2

.600

3

.150

4

.050

5

.025

If a couple is selected at random, what is the probability that the couple will have

a. less than four children?
b. more than two children?
c. either two or three children?
Math   Statistics-And-Probability   
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