The random variables X₁, X2, and X3 are Stochastic Independent with respective means 9, 4, and 16 and respective variances 64, 49, and 25. If Y = X₁ X2 + X3, find uy and of. O-11, 40 O-11, 138 21, 40 21, 138

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The random variables X₁, X2, and X3 are Stochastic Independent with
respective means 9, 4, and 16 and respective variances 64, 49, and 25. If
Y = X₁ X₂ + X3, find uy and of.
O-11, 40
O-11, 138
21, 40
21, 138
Transcribed Image Text:The random variables X₁, X2, and X3 are Stochastic Independent with respective means 9, 4, and 16 and respective variances 64, 49, and 25. If Y = X₁ X₂ + X3, find uy and of. O-11, 40 O-11, 138 21, 40 21, 138
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