Statistics and Probability: JEE Main 2022 Mathematics question

JEE Main 2022 · 27 Jun, Morning shift · Q4887

JEE Main 202227 Jun, Morning shiftMathematicsEasyStatistics and Probability258× since 2002

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 :

JEE Main 2022 · 27 Jun, Morning shift · Q4887

JEE Main 202227 Jun, Morning shiftMathematicsEasyStatistics and Probability258× since 2002

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 :

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