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The random variable X has the probabilit...

The random variable X has the probability density function `f(x)={{:(ax+b, 0 lt x lt 1), (0, "otherwise"):}` and `E(X)=7/12`, then a and b are respectively

A

`1 and (1)/(2)`

B

`(1)/(2) and 1 `

C

2 and 1

D

1 and 2

Text Solution

Verified by Experts

The correct Answer is:
a
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