You are experimenting with a new process for manufacturing high-energy-density batteries. Your technical staff tell you that the process should only produce 25% defectives. However, the first three batteries produced by the process all turn out to be defective. What are the odds on this happening if your technical staff are telling the truth?
A)1.6%
B)8.3%
C)12.5%
D)18.6%
E)22%

Question

Quizplus · Accepted Answer

The probability of getting 3 defectives in a row is 0.25^3 = 0.015625, which is 1.5625%.

You Are Experimenting with a New Process for Manufacturing High-Energy-Density