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  3. you roll one red die and one green die. define the

You roll one red die and one green die. Define the random variables X be...

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You roll one red die and one green die. Define the random variables X be the number showing on the red die and Y be the number of dice that show the number two.a. Write down a table showing the joint probability mass function for X and Yb. Find the marginal distribution for Y.C. Find E(Y).

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