If f(x) = kx 2 , 0 ≤ x ≤ 1 is a probability density function of a random variable x, then the value of k is ________.

CA Foundation · Quantitative Aptitude · PYQS · May 2026
If f(x) = kx 2 , 0 ≤ x ≤ 1 is a probability density function of a random variable x, then the value of k is ________.
(A) A. 0
(B) B. 3
(C) C. 1 / 3
(D) D. 2

Suggested Answer and Working Notes:

Correct Answer: Option (B)

B. 3

Topics: Part-C: Statistics

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