Judging from recent experience, 5 percent of the computer keyboards produced by an automatic, high-speed machine are defective. If six keyboards are randomly selected, what is the probability that more than 3 of the keyboards are defective?
A) 0.167
B) 0.0001
C) 0.0000
D) 1.00
E) 0.2321

Question

Quizplus · Accepted Answer

The probability of more than 3 defective keyboards out of 6 is extremely low given the 5% defect rate, making it close to 0.0001.

Judging from Recent Experience, 5 Percent of the Computer Keyboards