MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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The mayor is interested in finding a 95% confidence interval for the mean number of pounds of trash per person per week that is generated in the city. The study included 208 residents whose mean number of pounds of trash generated per person per week was 37.5 pounds and the standard deviation was 6.5 pounds. Round answers to 3 decimal places where possible.

 

b. With 95% confidence the population mean number of pounds per person per week is between    ?  and   ?   pounds.

c. If many groups of 208 randomly selected members are studied, then a different confidence interval would be produced from each group. About            ?     percent of these confidence intervals will contain the true population mean number of pounds of trash generated per person per week and about            percent will not contain the true population mean number of pounds of trash generated per person per week. 

 

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