27-9. In an investigation for a given set of values of (x1, x2, X3), it was found that r12 = 0-5, = 0•6, and r23 = 0•4. Determine R1.32 and r13:2. 13

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A: Introduction: It is required to find the probability mass function of pmf of X.

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A:

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A: Given,        P=α1+α3+α5-α2+α4+δ2β1+β3+β5+Aβ2+β4                ...(4.21)…

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A: option a is the correct answer

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Q: 1. Find P (AN B).

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Q: 40 7. -2/108mn' 13 8 9. 27m2

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A: As per our guidelines, we are supposed to solve only first question. Kindly repost other question as…