The Mean and Variance of a Bernoille Random Variable Are $\sqrt { p ( 1 - p ) }$

question 58

Multiple Choice

The mean and variance of a Bernoille random variable are given as

• A)cannot be calculated
• B)np and np(1-p)
• C)p and \(\sqrt { p ( 1 - p ) }\)
• D)p and (1- p)

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