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Value of upper end of confidence interval

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Reference no: EM131083902

In a survey at a local shopping mall, 20 randomly selected visitors were asked how much currency they carried with them to the mall. The mean amount of currency was $56, with a standard deviation of $93. Suppose the mall managers want to know the 90% confidence interval for the mean amount of currency carried by mall visitors.

What is the value of the upper end of the confidence interval?

(Note: Round to the nearest dollar. Be sure to enter only the number without commas, $ signs, or any other symbols.)

Reference no: EM131083902

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