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The variance of the random variable X is...

The variance of the random variable X is equal to

A

`E(X^(2)) + [E(X)^(2)]^(2)`

B

`E(X) - E(X^(2))`

C

`E(X^(2)) -- [E(X)]^(2)`

D

`E(X^(2)) + [E(X)]^(2)`

Text Solution

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The correct Answer is:
C
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NEW JOYTHI PUBLICATION-PROBABILITY-OBJECTIVE TYPE QUESTIONS AND SOLUTIONS
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