Suppose the average checkout tab at a large supermarket is $65.12, with a standard deviation of $21.45.
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Suppose the average checkout tab at a large supermarket is $65.12, with a standard deviation of $21.45. Twenty-three percent of the time when a random sample of 45 customer tabs is examined, the sample average should exceed what value?
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6512 2145 n 45 P 2300 Prob lies between an...View the full answer
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Related Book For
Business Statistics for Contemporary Decision Making
ISBN: 978-0470910184
6th Edition
Authors: Ken Black
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