Consider a 10-question test in which each question can be answered either correctly or incorrectly. (a) How
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Consider a 10-question test in which each question can be answered either correctly or incorrectly.
(a) How many different ways are there to answer the questions so that eight are correct and two are incorrect?
(b) How many different ways are there to answer the questions so that at least eight are correct?
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A Survey of Mathematics with Applications
ISBN: 978-0134112107
10th edition
Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde
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