Question 32 / 187:  According to a customer satisfaction survey conducted on behalf of the nation's largest retailer, the average rating of satisfaction for customers in 2008 was 85.4 (out of 100). Assume that the population mean is 85.4 for the customer satisfaction rating, the customer satisfaction rating is normally distributed, and the population standard deviation is 8.2. What customer satisfaction rating will put a randomly selected customer's rating in the top 10 percent of satisfied customers?
A  Rating = 95.91
B  Rating = 86.68
C  Rating = 84.12
D  Rating = 74.86
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Business Statistics

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Attribution:  David T. Bourgeois, PhD; Bharatendra K. Rai, PhD. Business Statistics. The Saylor Academy 2014, http://www.saylor.org/courses/bus204/
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