MHT CET 2024 Mathematics question

MathematicsProbabilityMHT CET 2024

A bag contains 4 red and 3 black balls is. One ball is drawn and then replaced in the bag and the process is repeated. Let X denote the number of times black ball is drawn in 3 draws. Assuming that at each draw each ball is equally likely to be selected, then probability distribution of X is given by

Answer: (A)

Solution

Drawing with replacement makes the three draws independent, so with and . . .

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Question ID VK-094948