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If the mean and variance of a binomial d...

If the mean and variance of a binomial distribution are 4 and 2 respectively , then the probability of 2 successes of that binomial variate X , is

A

`(1)/(2)`

B

`(219)/(256)`

C

`(37)/(256)`

D

`(7)/(64)`

Text Solution

Verified by Experts

The correct Answer is:
D
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