Maurice Tutor

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

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 17 Feb 2018 My Price 7.00

owner of a gasoline station

The owner of a gasoline station wants to study gasoline purchasing habits by motorists at his station. He selects a random sample of 60 motorists during a certain week, with the following results:

a. At the 0.05 level of significance, is there evidence that the mean purchase was different from 10 gallons?

b. Determine the p-value in (a).

c. At the 0.05 level of significance, is there evidence that fewer than 20% of all the motorists at the station purchased premium-grade gasoline?

d. What is your answer to (a) if the sample mean equals 10.3 gallons?

e. What is your answer to (c) if 7 motorists purchased premium-grade gasoline?

 

Answers

Maurice Tutor
(5)
Status NEW Posted 17 Feb 2018 08:02 PM My Price 7.00

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