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Let X ~ B (n,p) , if E (X ) = 5...

Let `X ~ B (n,p) `, if
`E (X ) = 5 , "Var" (X ) =2.5 ` then `p (X lt 1)=`

A

`(1/2)^(11)`

B

`(1/2)^(10)`

C

`(1/2)^(6)`

D

`(1/2)^(9)`

Text Solution

Verified by Experts

The correct Answer is:
B
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