Suppose a random variable X follows the binomial distribution with parameters n and p, where 0p1....

Suppose a random variable X follows the binomial distribution with parameters n and p, where 0p1. If P(x=r) / P(x=n-r) is independent of n and r, thenequals
(A) 1/2
(B) 1/3
(C) 1/5
(D) 1/7
Bi.

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