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Let X = time (in minutes ) that lapses...

Let X = time (in minutes ) that lapses between the bell and the end of the lectures in cases of a collge professor. Suppose X has p.d.f
`f(x) ={{:(kx^(2),0 le x le 2),(0,"otherwise"):}`
What is the probability that lecture ends within 1 minute of the bell ringing ?

A

`(1)/(4)`

B

`(3)/(4)`

C

`(1)/(8)`

D

`(3)/(8)`

Text Solution

Verified by Experts

The correct Answer is:
C
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