1.

The mean and variance of a binomial distribution are 8 and 4 respectively, then p(x = 1) is equal to-

A. \(\frac {1}{2^{12}}\)
B. \(\frac {1}{2^{4}}\)
C. \(\frac {1}{2^{6}}\)
D. \(\frac {1}{2^{8}}\)
Answer» B. \(\frac {1}{2^{4}}\)


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