What is the mean of X having the following density function? f(x) = 1 / 4√(2Π) e -(x-10) 2 / 32 for -∞ < x < ∞

CA Foundation · Quantitative Aptitude · MTP · September 2025
What is the mean of X having the following density function? f(x) = 1 / 4√(2Π) e -(x-10) 2 / 32 for -∞ < x < ∞
(A) A. 10
(B) B. 4
(C) C. 40
(D) D. none of these

Suggested Answer and Working Notes:

Correct Answer: Option (A)

A. 10

Topics: Part-C: Statistics

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