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If the range of a random variable X is {...

If the range of a random variable X is {0,1,2,3,4,……….} with `P(X=k)=((k+1))/(3^(k))` for `k ge0`, then u=

A

`(2)/(3)`

B

`(4)/(9)`

C

`(8)/(27)`

D

`(16)/(81)`

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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