SOC 885 Study Guide - Final Guide: Blood Bank
6 Nov 2020
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Persons entering a blood bank are such that 1 in 3 have type o+ blood and 1 in 15 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 x + y, the number of donors who have type o blood. Let x denote the number of donors with type out of three randomly selected donors from the blood bank. X takes possible values i. e. 0, 1, 2, 3. Out of three persons entering to the blood bank are such that 1 in 3 has blood. The table for the probability distribution of the random variable x the number of donors with type of three randomly selected donors from the blood bank is given below:
