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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Parking. Hoping to lure more shoppers downtown, a city builds a new public parking garage in the central business district. The city plans to pay for the structure through parking fees. During a two-month period (44 weekdays), daily fees collected averaged $126, with a standard deviation of $15.
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a) What assumptions must you make in order to use these statistics for inference?
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b) Write a 90% confidence interval for the mean daily income this parking garage will generate.
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c) Explain in context what this confidence interval means.
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d) Explain what 90% confidence means in this context.
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e) The consultant who advised the city on this project predicted that parking revenues would average $130 per day. Based on your confidence interval, do you think the consultant was correct? Why?
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