A multiple-choice test has 20 questions and 5 choices for each question. If a student is totally
Question:
(a) How many questions can she expect to answer correctly?
(b) What is the standard deviation of the distribution?
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n 20 p 15 q 4...View the full answer
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Related Book For 
Mathematical Applications for the Management Life and Social Sciences
ISBN: 978-1305108042
11th edition
Authors: Ronald J. Harshbarger, James J. Reynolds
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