Mathematics
Mathematics, 07.10.2020 23:01, KittyLoverCat

ata were collected on the amount spent by customers for lunch at a major Houston restaurant. These data are contained in the file Houston. Based upon past studies the population standard deviation is known with . Click on the datafile logo to reference the data. Round your answers to two decimal places. Use the critical value with three decimal places. a. At confidence, what is the margin of error? b. Develop a confidence interval estimate of the mean amount spent for lunch. to

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