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Jasmine is self-employed, selling cosmetics at home parties. She wants to estimate the average amount a client spends at each party. A random sample of
Jasmine is self-employed, selling cosmetics at home parties. She wants to estimate the average amount a client spends at each party. A random sample of 30 receipts had a means of = 24.60 with standard deviation = $5.15. Find a 90% confidence interval for the mean amount spent by all clients.
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