SOLUTION: Of 15 persons who have contracted a disease, 10 have completely recovered. Suppose that 5 persons are chosen at random from 15, what is the probability that none have completely re

Question 896121: Of 15 persons who have contracted a disease, 10 have completely recovered. Suppose that 5 persons are chosen at random from 15, what is the probability that none have completely recovered?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Of 15 persons who have contracted a disease, 10 have completely recovered. Suppose that 5 persons are chosen at random from 15, what is the probability that none have completely recovered?
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P(recover) = 10/15 = 2/3
P(not recover) = 1/3
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P(none of 5 recovered) = (1/3)^5 = 0.0041
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Cheers,
Stan
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