The mean and variance of a binomial distribution are 4 and 3 respectively. The number of trials n is
A. 12
B. 8
C. 24
D. 16
1 answer
Best answer
Answer: D. 16
\(q=\frac34\Rightarrow p=\frac14\); \(n=\frac{4}{1/4}=16\).
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· 23 Oct 2026
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