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Mathematics 22 Online
OpenStudy (anonymous):

A druggist wishes to select three brands of aspirin to sell in his store. He has five major brands to choose from: A, B, C, D and E. If he selects the three brands at random, what is the probability that he will select the following? (a) brand B (b) brands B and C (c) at least one of the two brands B and C

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