Suppose the shipping weight of your cheese shop's customized gift baskets is asymmetrically distributed with unknown...
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Suppose the shipping weight of your cheese shop's customized gift baskets is asymmetrically distributed with unknown mean and standard deviation. For a sample of 60 orders, the mean weight is 37 ounces and the standard deviation is 9.9 ounces. What is the lower bound of the 90 percent confidence interval for the gift basket's average shipping weight? Note that the correct answer will be evaluated based on the z-values in the summary table in the Teaching Materials section. Please round your answer to the nearest tenth. Suppose the average commute time of your employees is unknown. The standard deviation of their commute time is estimated as 36.9 minutes. How many employees must be included in a sample to create a 95 percent confidence interval for the average commute time with a confidence interval width of no more than 19 minutes? Note that the correct answer will be evaluated based on the z-values in the summary table in the Teaching Materials section. Remember to round your answer up to an integer. Suppose the shipping weight of your cheese shop's customized gift baskets is asymmetrically distributed with unknown mean and standard deviation. For a sample of 60 orders, the mean weight is 37 ounces and the standard deviation is 9.9 ounces. What is the lower bound of the 90 percent confidence interval for the gift basket's average shipping weight? Note that the correct answer will be evaluated based on the z-values in the summary table in the Teaching Materials section. Please round your answer to the nearest tenth. Suppose the average commute time of your employees is unknown. The standard deviation of their commute time is estimated as 36.9 minutes. How many employees must be included in a sample to create a 95 percent confidence interval for the average commute time with a confidence interval width of no more than 19 minutes? Note that the correct answer will be evaluated based on the z-values in the summary table in the Teaching Materials section. Remember to round your answer up to an integer.
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