You are the manager of a local cinema, a average customer spends on the concess customers, and you find a sample averag deviation of $2.03. Using this informatio interval around the population mean. W the confidence interval in of your analysi Note: 1- Do not round intermediate numbers. places.

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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You are the manager of a local cinema, and want to investigate how much the
average customer spends on the concession stand. You take a sample of 21
customers, and you find a sample average of $11.71, with a sample standard
deviation of $2.03. Using this information, you want to create a 95% confidence
interval around the population mean. What is the upper bound (upper end) of
the confidence interval in of your analysis?
Note:
1- Do not round intermediate numbers. Round your final answer to two decimal
places.
Transcribed Image Text:You are the manager of a local cinema, and want to investigate how much the average customer spends on the concession stand. You take a sample of 21 customers, and you find a sample average of $11.71, with a sample standard deviation of $2.03. Using this information, you want to create a 95% confidence interval around the population mean. What is the upper bound (upper end) of the confidence interval in of your analysis? Note: 1- Do not round intermediate numbers. Round your final answer to two decimal places.
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