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Name: Section: Show All Work For Full Credit! Problem 1: It is known that the amount of money people spend on Easter shopping follows a

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Name: Section: Show All Work For Full Credit! Problem 1: It is known that the amount of money people spend on Easter shopping follows a normal distribution with a standard deviation of $9. A random sample of 55 Walmart shoppers completed an Easter shopping survey. The average amount spent was $92 Identify the variables [2 points] - Show all the steps to construct the 88% confidence interval for the population mean using a and z - score (4 points] Write the conclusion using complete sentences [2 points] - Use the calculator option Z - Interval to construct the confidence interval for the population mean, if the confidence level will be 92%, and all other values stay the same [2 points] Find the minimum number of participants, if you want to be 95% confident that the estimated sample mean is within two dollars of the true population mean. The sample follows the same distribution X ~ N($92, $9) [2 points]

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