If a variable takes values 0, 1, 2, 3, , n with frequencies 1, C(n, 1), C(n, 2), C(n, 3), , C(n, n)...

Question

If a variable takes values 0, 1, 2, 3, , n with frequencies 1, C(n, 1), C(n, 2), C(n, 3), , C(n, n) respectively, then the arithmetic mean is

Accepted Answer

(D)

NDA 2017 Mathematics question