The leading brand of toothpaste has a 5% market share. a. A sample of 15 customers is
Question:
a. A sample of 15 customers is taken. What is the probability that three or fewer of them use the leading brand of toothpaste?
b. A sample of four customers is selected. What is the probability that two of them use the leading brand of toothpaste?
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In this case sampling is without replacement but we assume there are tho...View the full answer
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Related Book For 
Analyzing Data And Making Decisions Statistics For Business Microsoft Excel 2010 Updated
ISBN: 9780132924962
2nd Edition
Authors: Judith Skuce
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