Mathematics, 24.12.2019 00:31 shaw2708
Latasha is a waitress at seventh heaven hamburgers. she wants to estimate the mean amount each group at a table leaves for a tip. a random sample of 42 tables had a mean of = $7.30. based on long term experience, s ≈ $2.92. find a 90% confidence interval for the average amount left by all groups..
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Latasha is a waitress at seventh heaven hamburgers. she wants to estimate the mean amount each group...
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