From a sample of 500 items, 30 were found to be defective. The point estimate of the population proportion defective will be:
A) 0.06.
B) 30.0.
C) 16.667.
D) None of these choices are correct.

Question

Quizplus · Accepted Answer

The point estimate of the population proportion defective is equal to the proportion of the sample that was found to be defective. In this case, 30 out of 500 items were defective, so the proportion defective is 30/500 = 0.06. Therefore, the point estimate of the population proportion defective is 0.06.

From a Sample of 500 Items, 30 Were Found to Be