A researcher studied the relationship between the salary of a working woman with school-aged children and...

A researcher studied the relationship between the salary of a working woman with school-aged children and the number of children she had. The results are shown in the following frequency table:

Number of Children

Salary	2 or fewer children	more than 2 children
high salary	13	2
medium salary	20	10
low salary	30	25

If a working woman has more than 2 children, what is the probability she has a low or medium salary?

A. 0.79 B. 0.45 C. 0.35 D. 0.95

Solutions

Expert Solution

9) P(low or medium salary | more than 2 children) = P(low or medium salary and more than 2 children)/P(more than 2 children)

= (10 + 25)/(10 + 25 + 2)

= 35/37 = 0.95

Option - D is correct

milcah answered 3 weeks ago

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