The Expected Value, E(X), of a Binomial Probability Distribution Is $n p ( 1 - p )$

question 38

Multiple Choice

The expected value, E(X) , of a binomial probability distribution is:

• A) n + p .
• B) \(n p ( 1 - p )\).
• C) \(n p\).
• D) \(n + p - 1\).