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Sir, I am stuck on this question (b) A random variable X can take the values - 1, 0 and 1, where: P(X = -1)

Sir, I am stuck on this question

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(b) A random variable X" can take the values - 1, 0 and 1, where: P(X = -1) = 8, P(X = 0) = 1 -38 and P(X = 1) = 24 for 0

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