A random variable X can take only two values, 2 and 4 i.e., P(2) = 0.45 and P(4) = 0.97. What is the Expected value of X?

A random variable X can take only two values, 2 and 4 i.e., P(2) = 0.

1.	A random variable X can take only two values, 2 and 4 i.e., P(2) = 0.45 and P(4) = 0.97. What is the Expected value of X?
A.	3.8
B.	2.9
C.	4.78
D.	5.32
Answer» D. 5.32

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A random variable X can take only two values, 2 and 4 i.e., P(2) = 0.45 and P(4) = 0.97. What is the Expected value of X?

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