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A : If X is a poisson variate such that ...

A : If X is a poisson variate such that P(X=2)=9P(X=4) then variance `=2//3`
R : The variancen of a poisson variate with parameter `lambda`.

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

Verified by Experts

The correct Answer is:
D
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