JEE Main 27 June 2022 Shift 1 Solved Paper

Section: Mathematics

Question : 17 of 90

Marks: +1, -0

Let X be a random variable having binomial distribution B(7,p). If P(X=3)=5P(x=4), then the sum of the mean and the variance of X is :

[27-Jun-2022-Shift-1]

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