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Suppose a random variable X follows the binomial distribution with parameters n and p, where 0 < p < 1.

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Suppose a random variable X follows the binomial distribution with parameters n and p, where 0 < p < 1. If P(x = r) / P(x = n–r) is independent of n and r, then p equals A. 1/2 B. 1/3 C. 1/5 D. 1/7 Select the correct answer from above options

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According to question, this expression is independent of n and r if

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