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If the probability of a random variable ...

If the probability of a random variable X is a given below :
`{:(X=x:,-2,-1,0,1,2,3),(P(X=x):,(1)/(10),k,(1)/(5),2k,(3)/(10),k):}`
Then the value of k, is :

A

`(1)/(10)`

B

`(2)/(10)`

C

`(3)/(10)`

D

`(7)/(10)`

Text Solution

Verified by Experts

The correct Answer is:
A
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