A coin-operated laundromat is for sale. An investor wants to determine the average daily revenue generated by
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A coin-operated laundromat is for sale. An investor wants to determine the average daily revenue generated by this business. An estimate of the average daily revenue is to be found using a random sample. A good estimate of the population standard deviation has been determined to be $85 per day for this business. If the investor wishes to be within $25 of the actual population average daily revenue, how large a sample would they need to select if the level of confidence is to be 90%?
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85 E25 ...View the full answer
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Related Book For 
Business Analytics And Statistics
ISBN: 9780730363330
1st Edition
Authors: Ken Black, John Asafu Adjaye, Paul Burke, Nelson Perera, Carl Sherwood, Saleh A. Wasimi
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