46. A student is given a reading list of ten books from which he must select two for an outside reading requirement. In how many ways can he make his selections? 47. In how many ways can a quality-control engineer select a sample of 3 microprocessors for testing from a batch of 100 microprocessors? 50. Seven people arrive at the ticket counter of a movie theater. In how many ways can they line up to buy their tickets?
46. A student is given a reading list of ten books from which he must select two for an outside reading requirement. In how many ways can he make his selections? 47. In how many ways can a quality-control engineer select a sample of 3 microprocessors for testing from a batch of 100 microprocessors? 50. Seven people arrive at the ticket counter of a movie theater. In how many ways can they line up to buy their tickets?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.7: Combinations
Problem 2E
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Question
Determine if each is a permutation or a combination and then evaluate.
46. A student is given a reading list of ten books from which he must select two for an outside reading requirement. In
how many ways can he make his selections?
47. In how many ways can a quality-control engineer select a sample of 3 microprocessors for testing from a batch of 100
microprocessors?
50. Seven people arrive at the ticket counter of a movie theater. In how many ways can they line up to buy their tickets?
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