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Let X be random variable with probabilit...

Let X be random variable with probability density function
`f(x)={{:(2/x^(3), x ge 1), (0, x lt 1):}`
Which of the following statement is correct

A

both mean and variance exist

B

mean exists but variance does not exist

C

both mean and variance do not exist

D

variance exists but Mean does not exist.

Text Solution

Verified by Experts

The correct Answer is:
B
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