JEE Main 2022 Mathematics question

Let X be a binomially distributed random variable with mean 4 and variance 4/3. Then, 54 is equal to

Answer: (2)

Solution

np = 4 and npq = 4/3, so q = 1/3, p = 2/3 and n = 6. \leC_{0}(13)^{6}C_{1}(23)^{5}$ +

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Question ID VK-025091