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 · RTP · September 2026
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) 4
(B) (b) 10
(C) (c) 40
(D) (d) None of these

Suggested Answer and Working Notes:

Correct Answer: Option (B)

Correct Option: (b)

Topics: Part-C: Statistics

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