laneycasey2441 laneycasey2441

15-11-2022
Mathematics

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roll a pair of four-sided die, one red and one black. let x equal the outcome on the red die and let y the sum of the two die. (a) what values do x and y take? (b) what is the joint pmf of x and y ? (c) what are the marginals of x and y ? (d) are x and y independent?

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