The expected value,E(X),of a binomial probability distribution with n trials and probability p of success is:
A)n + p
B)np(1 − p)
C)np
D)n + p − 1

Question

Quizplus · Accepted Answer

The expected value of a binomial distribution is given by E(X) = np. This formula represents the expected number of successes in n trials with a probability of success p. Therefore, option C is the correct answer.

The Expected Value,E(X),of a Binomial Probability Distribution with N Trials