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lingo lingo
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6 years ago
The proprietor of a boutique in New York wanted to determine the average age of his customers. A random sample of 25 customers revealed an average age of 28 years with a standard deviation of 10 years. Determine a 95 confidence interval estimate for the average age of all his customers. Assume the population of customer ages is normally distributed.
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vbassvbass
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6 years ago
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lingo Author
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6 years ago
This site is awesome
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Thank you, thank you, thank you!
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Helped a lot
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