माना X~B(n,p) यदि E(X)=5, Var(X)=2.5 तो...

माना `X~B(n,p)` यदि `E(X)=5, Var(X)=2.5` तो `P(X lt1)=`

A

`((1)/(2))^(11)`

B

`((1)/(2))^(10)`

C

`((1)/(2))^(6)`

D

`((1)/(2))^(9)`

लिखित उत्तर

Verified by Experts

The correct Answer is:

B

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