Question

A hat contains 20 white slips of paper numbered from 1 through 20, 10 red slips of paper numbered from 1 through 10, 40 yellow slips of paper numbered from 1 through 40, and 10 blue slips of paper numbered from 1 through 10. If these 80 slips of paper are thoroughly shuffled so that each slip has the same probability of being drawn, find the probabilities of drawing a slip of paper that is
(a) Blue or white;
(b) Numbered 1, 2, 3, 4, or 5;
(c) Red or yellow and also numbered 1, 2, 3, or 4;
(d) Numbered 5, 15, 25, or 35;
(e) White and numbered higher than 12 or yellow and numbered higher than 26.


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  • CreatedNovember 04, 2015
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