Suppose a waitress keeps track of her tips, as a percentage of the bill, for a random sample of 60 tables. Suppose that, unknown to the waitress, her population mean tip percentage is 14%, with a standard deviation of 3%. Between what two values is there a 68% chance that her sample mean tip percentage will fall?
Suppose a waitress keeps track of her tips, as a percentage of the bill, for a random sample of 60 tables. Suppose that, unknown to the waitress, her population mean tip percentage is 14%, with a standard deviation of 3%. Between what two values is there a 68% chance that her sample mean tip percentage will fall?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Suppose a waitress keeps track of her tips, as a percentage of the bill, for a random sample of 60 tables. Suppose that, unknown to the waitress, her population mean tip percentage is 14%, with a standard deviation of 3%. Between what two values is there a 68% chance that her sample mean tip percentage will fall?
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