If a variable takes values \( 0,1,2, \ldots, n \) with frequencies ...
If a variable takes values \( 0,1,2, \ldots, n \) with frequencies \( 1,{ }^{n} C_{1},{ }^{n} C_{2}, \ldots,{ }^{n} C_{n} \) then the A.M. is
(A) \( n \)
(B) \( \left(2^{n} / n\right) \)
(C) \( n+1 \)
(D) \( (n / 2) \)
\( \mathrm{P}^{\mathrm{P}} \)
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