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a. To compute the confidence interval use a ? distribution. b. With 95% confidence the population mean number of pounds per person per week is between and pounds. c. If many groups of 192 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.

a. To compute the confidence interval use a ? distribution. b. With 95% confidence the population mean number of pounds per person per week is between and pounds. c. If many groups of 192 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.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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 192 residents whose mean number of pounds of trash generated per person per week was 37.3 pounds and the standard deviation was 8.9 pounds. Round answers to 3 decimal places where possible. a. To compute the confidence interval use a distribution. ? b. With 95% confidence the population mean number of pounds per person per week is between and pounds. c. If many groups of 192 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.
Transcribed Image Text: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 192 residents whose mean number of pounds of trash generated per person per week was 37.3 pounds and the standard deviation was 8.9 pounds. Round answers to 3 decimal places where possible. a. To compute the confidence interval use a distribution. ? b. With 95% confidence the population mean number of pounds per person per week is between and pounds. c. If many groups of 192 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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