Mean and variance of one binomial distri...

Mean and variance of one binomial distribution are `(4)/(3)` and `(20)/(21)` respectively then p = ………….. where p is parameter.

A

`(7)/(5)`

B

`(2)/(7)`

C

`(4)/(7)`

D

`(5)/(7)`

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The correct Answer is:

B

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