question archive A random variable X follows a binomial distribution with parameters n and p
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A random variable X follows a binomial distribution with parameters n and p. If the mean and the variance of X are 9.6 and 5.76 respectively, then the values of the param- eters n and p are, respectively:
(A) 12 and 0.8.
(B) 16 and 0.6.
(C) 24 and 0.4.
(D) 32 and 0.3.
(E) 48 and 0.2.
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