MHT CET · Maths · Probability
If X is a binomial variable with range \(\{0,1,2,3,4\}\) and \(P(X=3)=3 P(X=4)\) then the parameter ' \(p\) ' of the binomial distribution is
- A \(\frac{1}{4}\)
- B \(\frac{3}{4}\)
- C \(\frac{1}{3}\)
- D \(\frac{4}{7}\)
Answer & Solution
Correct Answer
(D) \(\frac{4}{7}\)
Step-by-step Solution
Detailed explanation
\(P(X=k) = \binom{n}{k} p^k (1-p)^{n-k}\) \(n=4\)
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