Dawson's Repair Service orders parts from an electronic company who advertises its parts o be no more than 2% defective. What is the probability that Bill Dawson finds 4 or more parts out of a sample of 50 to be defective?
A) Almost 100%
B) Less than one half of one percent
C) About 1%
D) Almost 50%
E) About 2%

Question

Quizplus · Accepted Answer

The probability of finding 4 or more defective parts in a sample of 50, given a defect rate of 2%, can be calculated using the binomial distribution. The probability is very low, less than one half of one percent.

Dawson's Repair Service Orders Parts from an Electronic Company Who