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The table below contains the amount that a sample of nine customers spent for lunch ($) at a fast- food restaurant. Complete parts a and b below. 4.255.345.716.437.217.868.318.739.77 a. Construct a 99% confidence interval estimate for the population mean amount spent for lunch at a fast-food restaurant, assuming a normal distribution The % confidence interval estimate is froms to $ (Round to two decimal places as needed).

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The table below contains the amount that a sample of nine customers spent for lunch ($) at a fast- food restaurant. Complete parts a and b below. 4.255.345.716.437.217.868.318.739.77 a. Construct a 99% confidence interval estimate for the population mean amount spent for lunch at a fast-food restaurant, assuming a normal distribution The % confidence interval estimate is froms to $ (Round to two decimal places as needed).

- 1. The table below contains the amount that a sample of nine customers spent for lunch ($) at a fast- food restaurant. Complete parts a and b below. 4.255.345.716.437.217.868.318.739.77 a. Construct a 99% confidence interval estimate for the population mean amount spent for lunch at a fast-food restaurant, assuming a normal distribution The % confidence interval estimate is froms to $ (Round to two decimal places as needed)