A random variable X has the following probability density function; f (x) = 6x(1 – x), 0 ≤ x ≤ 1, then the mean is

CA Foundation · Quantitative Aptitude · MTP · January 2026
A random variable X has the following probability density function; f (x) = 6x(1 – x), 0 ≤ x ≤ 1, then the mean is
(A) A. 1/3
(B) B. 1/12
(C) C. 1/4
(D) D. 1/2

Suggested Answer and Working Notes:

Correct Answer: Option (D)

D. 1/2

Topics: Part-C: Statistics

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

Related Questions in this Topic