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If a variable takes the values 0, 1, 2,…,n with frequencies proporiotnal to binomial coefficient `n_(C_(0)), n_(C_(1)), n_(C_(2)),….n_(C_(n))`, then mean of distribution is

A

`(2^(n))/(n+1)`

B

`(2^(n+1))/(n(n+1))`

C

`(n+1)/(2)`

D

`(n)/(2)`

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The correct Answer is:
D
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