49. Out of 15 rare books, 5 of which are especially valuable, 3 are taken at random by a friend. What is the probability that: none of the 5 is included? b. 3 of the 5 are included? a. S.14
49. Out of 15 rare books, 5 of which are especially valuable, 3 are taken at random by a friend. What is the probability that: none of the 5 is included? b. 3 of the 5 are included? a. S.14
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 9ECP: A random number generator selects two integers from 1 to 30. What is the probability that both...
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Transcribed Image Text:49. Out of 15 rare books, 5 of which are especially valuable, 3 are taken at random by a friend. What is the
probability that:
none of the 5 is included?
b. 3 of the 5 are included?
a.
5.14
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