A random variable has the following probability distribution : X: 0, 1, 2, 3 P: 1 / 2 , 1 / 5 , 1 / 4 , 1 / 3 Find expected value of X.

CA Foundation · Quantitative Aptitude · PYQS · January 2025
A random variable has the following probability distribution : X: 0, 1, 2, 3 P: 1 / 2 , 1 / 5 , 1 / 4 , 1 / 3 Find expected value of X.
(A) A. 1.20
(B) B. 1.43
(C) C. 1.80
(D) D. 2.00

Suggested Answer and Working Notes:

Correct Answer: Option (B)

B. 1.43

Topics: Part-C: Statistics

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