"> (Answered) According to Responsys, the retailer Neiman Marcus sent an average of 534 e-mails to each of their customers in a recent year. - Tutorials Prime

## (Answered) According to Responsys, the retailer Neiman Marcus sent an average of 534 e-mails to each of their customers in a recent year.

According to Responsys, the retailer Neiman Marcus sent an average of 534 e-mails to each of their customers in a recent year.

According to Responsys, the retailer Neiman Marcus sent an average of 534 e-mails to each of their customers in a recent year. Assume that the standard deviation for the number of e-mails per customer that year was 122. A random sample of 30 Neiman Marcus customers was selected. What is the probability that the average number of e-mails sent to each of these customers exceeded 570? 0.62 0.0001 0.0526 0.9474Expedia would like to test the hypothesis that the average roundtrip airfare between Philadelphia and Paris is higher for a flight originating in Philadelphia when compared to a flight originating in Paris. The following data summarizes the sample statistics for roundtrip flights originating in both cities. Assume that the population variances are equal. Â  Originating City Â  Philadelphia Paris Sample mean \$1,240 PHL \$1,060 Paris Sample size 15 PHL 19 Paris Sample standard deviation \$270 PHL \$240 Paris If Population 1 is defined as flights originating in Philadelphia and Population 2 is defined as flights originating in Paris, Expedia would like to set Î± = 0.05. The p-value for this hypothesis test would be between: 0.02 and 0.05 0.05 and 0.025 0.10 and 0.20 0.01 and 0.005Medicare would like to test the hypothesis that the average monthly rate for one-bedroom assisted-living facility is equal to \$3,300. A random sample of 12 assisted-living facilities had an average rate of \$3,690 per month. The standard deviation for this sample was \$530. Medicare would like to set Î± = 0.05. The correct hypothesis statement for this hypothesis test would be H0: xÌ„Â = \$3,300; H1:Â xÌ„Â â‰  \$3,300. H0: Î¼ â‰¥ \$3,300; H1: Î¼

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This question was answered on: Jan 02, 2020

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