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
Analysis:
A. Incorrect. np is the expected value, E(X).
B. Incorrect. np is the expected value, E(X).
C. Correct. np is the expected value, E(X).
D. Incorrect. np is the expected value, E(X).
ANSWER : C
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