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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

(a) `3/32`

B

(b) `7/32`

C

(c) `11/32`

D

(d) `16/32`

Text Solution

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The correct Answer is:
D
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