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2 An owner of a popular caf wants to know how long customers stay at their tables.

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An owner of a popular café wants to know how long customers stay at their tables. Over the course of a month, she asks her employees to keep track of a random sample of customers who stay and use the tables and record how long they sit at a table after making a purchase. The sample of 41 customers stay at the tables using the free wifi for 100 minutes on average with a standard deviation of 30 minutes.
Estimate a 95% confidence interval for the population mean: ( , ).




Please show me all the work step by step because I don't know how to solve this at all. Also, please show which equation you used and the reason why you used it. Thank you

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Economics-8211694.doc

2
An owner of a popular café wants to know how long customers stay at their tables. Over
the course of a month, she asks her employees to keep track of a random sample of
customers who stay and...

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