The mean and variance, respectively, of a binomial distribution for n – McqOptions

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1.	The mean and variance, respectively, of a binomial distribution for n independent trials with the probability of success as p, are
A.	\(\sqrt {np},\;\sqrt {np(1 - p)}\)
B.	\(\sqrt {np},\) np (1 - 2p)
C.	np, np(1 - p)
D.	np, np
Answer» D. np, np

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