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JEE Main 2004 Mathematics question

MathematicsProbabilityJEE Main 2004

A random variable has the probability distribution: X: 1, 2, 3, 4, 5, 6, 7, 8; p(X): 0.15, 0.23, 0.12, 0.10, 0.20, 0.08, 0.07, 0.05. For the events is a prime number and , the probability is

Answer: (2)

Solution

, , so . $P = 0.15 + 0.23 + 0.12

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Question ID VK-038509