Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 02 Feb 2018 My Price 7.00

CCN and Act Media

CCN and Act Media 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 this standard.

a. Formulate the hypotheses for this application.

b. A sample of I 20 shoppers showed a sample mean waiting time of 8.4 minutes. Assume a population standard deviation of σ = 3.2 minutes. What is the p-value?

c. At α = .05. what is your conclusion?

d. Compute a 95% confidence interval far the population mean. Does it support your conclusion?

 

Answers

Maurice Tutor
(5)
Status NEW Posted 02 Feb 2018 08:02 PM My Price 7.00

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