Mathematics, 01.10.2019 19:20, djub

Persons entering a blood bank are such that 1 in 3 have type o blood and 1 in 12 have type o− blood. consider three randomly selected donors for the blood bank. let x denote the number of donors with type o blood and y denote the number with type o− blood. find the probability distributions for x and y. also find the probability distribution for z

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Persons entering a blood bank are such that 1 in 3 have type o blood and 1 in 12 have type o− blood....