Mathematics, 05.05.2020 00:38 dixonkaleo9
CCN and ActMedia provided a television channel targeted to individuals waiting in supermarket checkout lines. The channel showed news, short features, and advertisements. The length of the program was based on the assumption that the population mean time a shopper stands in a supermarket checkout line is 8 minutes. A sample of actual waiting times will be used to test this assumption and determine whether actual mean waiting time differs from the standard. a. Formulate the hypothesis for this application. b. A sample of 120 shoppers showed a sample mean waiting time of 8.5 minutes. Assume a population standard deviation of 3.2 minuest. What is the p-value?c. At a=.0t what is your conclusion?d. Compute a 95% confidence interval for the population mean. Does it support your conclusion?
Answers: 3
Mathematics, 21.06.2019 23:00, hello137348474747
Astore sells 4 apples for $3 and 3 oranges for $4 if pete buys 12 apples and 12 oranges how much will it cost
Answers: 1
CCN and ActMedia provided a television channel targeted to individuals waiting in supermarket checko...
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