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Answer to Question #72100 in Statistics and Probability for John

Question #72100
If a list of 20 individuals who volunteered to supply blood, when it is needed for transfusion, has 15 individuals of type B blood and 3 individuals are selected random from the list, what is the probability that:

a) All 3 will be type B, b) 2 will be of type B and 1 will not, c) at least 1 will be of type B
1
Expert's answer
2017-12-22T11:08:06-0500
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