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MHT CET 2022 Mathematics question

MathematicsProbabilityMHT CET 2022

A random variable X has the following probability distribution X: 0, 1, 2, 3, 4, 5, 6 P(X): k, 3k, 5k, 7k, 9k, 11k, 13k then

Answer: (A)

Solution

The probabilities must add to 1: . Then . Hence

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Question ID VK-093900