For a binomial distribution, if the mean is 10 and the standard deviation is 3, find n. (number of trials)

CA Foundation · Quantitative Aptitude · PYQS · January 2026
For a binomial distribution, if the mean is 10 and the standard deviation is 3, find n. (number of trials)
(A) A. 30
(B) B. 90
(C) C. 15
(D) D. 100

Suggested Answer and Working Notes:

Correct Answer: Option (D)

D. 100

Topics: Part-C: Statistics

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