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The p.d.f. of a continuous r.v. X is f(...

The p.d.f. of a continuous r.v. X is `f(x)={{:(k(4-x^(2))","-2lexle2),(0", otherwise"):}`, then k =

A

`(1)/(16)`

B

`(3)/(16)`

C

`(1)/(32)`

D

`(3)/(32)`

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The correct Answer is:
D
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