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If X is a binomial variate with n = 7 an...

If X is a binomial variate with n = 7 and `P(X=3)=P(X=4)` then `P(X=5)=`

A

`21.(3^(2))/(4^(7))`

B

`21.(3^(5))/(4^(7))`

C

`7.(2^(5))/(3^(6))`

D

`(21)/(2^(7))`

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-RANDOM VARIABLE -EXERCISE - II
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