Solve the problem.
-A company manufactures batteries in batches of 28 and there is a 3% rate of defects. Find the variance for the number of defects per batch.
A) 81.5
B) 0.8
C) 0.7
D) 0.9

Question

Quizplus · Accepted Answer

The variance for a binomial distribution is given by the formula np(1-p), where n is the number of trials (28) and p is the probability of success (0.03). Thus, variance = 28 * 0.03 * 0.97 = 0.8156, which rounds to 0.8.

Solve the Problem. -A Company Manufactures Batteries in Batches of 28 and There