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Let X and Y be two independent random variables with ??=3, ??=2, ??=6, and ??=1. Find...

Let X and Y be two independent random variables with ??=3, ??=2, ??=6, and ??=1.

Find ?(5?−3?+2)−?(8?−3?+7).

Your answer should be a whole number.

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