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Let X = time (in minutes) that elapses b...

Let X = time (in minutes) that elapses between the bell and the end of the lecture in case of a college professor. If X has p.d.f. `f(x)={{:(kx^(2)","0lexle2),(0", otherwise"):}`, then k =

A

`(8)/(3)`

B

`(3)/(8)`

C

`(4)/(3)`

D

`(3)/(4)`

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The correct Answer is:
B
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