If the number of defective items selected at random from a parts inventory is considered to follow a binomial distribution with n = 50 and p = 0.10, the expected number of defective parts is:
A) 5
B) approximately 2.24
C) more than 10
D) 0.5

Question

Quizplus · Accepted Answer

The expected number of defective parts in a binomial distribution is calculated as E(X) = n * p, where n is the number of trials and p is the probability of success (defective part in this case). Therefore, E(X) = 50 * 0.10 = 5.

If the Number of Defective Items Selected at Random from a Parts