The mean of Binomial distribution is 20 and Standard deviation is 4 then;

CA Foundation · Quantitative Aptitude · MTP · January 2025
The mean of Binomial distribution is 20 and Standard deviation is 4 then;
(A) A. n = 100, p = 1 / 5 , q = 4 / 5
(B) B. n = 50, p = 2 / 5 , q = 2 / 5
(C) C. n = 100, p = 2 / 5 , q = 4 / 5
(D) D. n = 100, p = 1 / 5 , q = 3 / 5

Suggested Answer and Working Notes:

Correct Answer: Option (A)

A. n = 100, p = 1 / 5 , q = 4 / 5

Topics: Part-C: Statistics

Open in Interactive Practice Hub · Full Practice Hub · Chapter Weightage · More in this subject

Related Questions in this Topic