In a random sample of 200 items, 5 items were defective. An estimate of the percentage of defective items in the population is
A) 5%.
B) 2.5%.
C) 20%.
D) 10%.

Question

Quizplus · Accepted Answer

To estimate the percentage of defective items in the population, divide the number of defective items by the total number of items in the sample and multiply by 100. So, (5 defective items / 200 total items) * 100 = 2.5%.

In a Random Sample of 200 Items, 5 Items Were