EBK UNDERSTANDING BASIC STATISTICS
EBK UNDERSTANDING BASIC STATISTICS
7th Edition
ISBN: 9780100547568
Author: BRASE
Publisher: YUZU
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Chapter 6, Problem 3CR

Critical Thinking For a binomial probability distribution, it is unusual for the number of successes to be less than u - 2.5 σ or greater than ft + 2.5 σ .

(a) For a binomial experiment with 10 trials for which the probability of success on a single trial is 0.2. is it unusual to have more than five successes? Explain.

(b) If you were simply guessing on a multiple-choice exam consisting of 10 questions w ith 5 possible responses for each question, would you be likely to get more than half of the questions correct? Explain.

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Chapter 6 Solutions

EBK UNDERSTANDING BASIC STATISTICS

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