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A: A random variable X has the range {1,...

A: A random variable X has the range {1,2,3}. If P(X=1)=c, P(X=2)=3c,P(X=3)=6c then `c=1//10`.
R: If :`S rarr R` is a discreate random variable with range `(x_(1), x_(2), x_(3),…………}" then" sum _(r=1)^(infty) (X=x)=1`

A

Both A and R are true and R is the correct explanation of A

B

Both A and R are true but R is not correct explanation of A

C

A is true but R is false

D

A is false but R is true

Text Solution

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The correct Answer is:
A
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