The p.m.f. of a r.v. is P(X=x)={{:((1)...

The p.m.f. of a r.v. is
`P(X=x)={{:((1)/(2^(5))""^(5)C_(x)","x=0","1","...","5),(0", otherwise"):},"then "P(Xle2)`=

A

`3/32`

B

`7/32`

C

`11/32`

D

`16/32`

Verified by Experts

The correct Answer is:

D

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