How many questionnaires to mail? The probability that a person responds to a mailed questionnaire is .4.
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How many questionnaires to mail? The probability that a person responds to a mailed questionnaire is .4. How many questionnaires should be mailed if you want to be reasonably certain that at least 100 will be returned?
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Statistics Plus New Mylab Statistics With Pearson Etext Access Card Package
ISBN: 978-0134090436
13th Edition
Authors: James Mcclave ,Terry Sincich
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