Maurice Tutor

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About Maurice Tutor

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Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
Teaching Since: May 2017
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Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 18 Jan 2018 My Price 7.00

Cost of Pizzas

24.  Cost of Pizzas A pizza shop owner wishes to find the 95% confidence interval of the true mean cost of a large plain pizza. How large should the sample be if she wishes to be accurate to within $0.15? A previous study showed that the standard deviation of the price was

$0.26.

 

25.  National Accounting Examination If the variance of a national accounting examination is 900, how large a sample is needed to estimate the true mean score within 5 points with 99% confidence?

 

26.  Commuting Times in New York The 90% confidence interval for the mean one-way commuting time in New York City is 37.8 <>m <>38.8 minutes. Construct a 95% confidence interval based on the same data. Which interval provides more information?

Source: www.census.gov

Answers

Maurice Tutor
(5)
Status NEW Posted 18 Jan 2018 09:01 PM My Price 7.00

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