From a sample of 400 items, 14 are found to be defective. The point estimate of the population proportion defective will be:
A) 14
B) 0.035
C) 28.57
D) 0.05
E) 0.26

Question

Quizplus · Accepted Answer

The point estimate of the population proportion defective can be calculated as:
point estimate = number of defective items / sample size
point estimate = 14 / 400
point estimate = 0.035
Therefore, the best choice is B.

From a Sample of 400 Items, 14 Are Found to Be