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A random variable X has the following di...

A random variable X has the following distribution
`{:(X=x_(1):,1,2,3,4),(P(X=x_(1)):,k,2k,3k,4k):}`
The value of k and `P(X lt 3)` are equal to

A

`k=(1)/(10), P(x lt 3)=(3)/(5)`

B

`k=(1)/(10), P(x lt 3)=(3)/(10)`

C

`k=(3)/(10), P(x lt 3)=(1)/(10)`

D

`k=(1)/(10), P(x lt 3)=(5)/(12)`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-RANDOM VARIABLE -EXERCISE - II
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