In a study of 100 new cars 29 are white Find phat and qhat

In a study of 100 new cars, 29 are white. Find phat and qhat , where phat is the proportion of new cars that are white.

A) phat = 0.29, qhat = 0.20

B) phat = 0.29, qhat = 0.71

C) phat = 0.71, qhat = 0.29

D) phat = 0.71, qhat = 0.71

Solution

Here,

phat = 29/100 = 0.29

Also,

qhat = 1 - phat = 1-0.29 = 0.71

Thus,

OPTION B) phat = 0.29, qhat = 0.71 [ANSWER]