Suppose that a random variable X follows Binomial distribution with parameters n and p…
Mathematics · JEE Main · NTA Exams — Statistics and Probability
Suppose that a random variable X follows 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 is equal to
- \(\frac{1}{2}\)
- \(\frac{1}{3}\)
- \(\frac{1}{5}\)
- \(\frac{1}{7}\)
Answer
(A) 1 2
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