The mayor is interested in finding a 98% confidence interval for the mean number of pounds of trash per person per week that is generated in the city. The study included 165 residents whose mean number of pounds of trash generated per person per week was 36.4 pounds and the standard deviation was 6.4 pounds. Round answers to 3 decimal places where possible. a. To compute the confidence interval use a distribution. b. With 98% confidence the population mean number of pounds per person per week is between and pounds. c. If many groups of 165 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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The mayor is interested in finding a 98% confidence interval for the mean number of pounds
of trash per person per week that is generated in the city. The study included 165 residents
whose mean number of pounds of trash generated per person per week was 36.4 pounds
and the standard deviation was 6.4 pounds. Round answers to 3 decimal places where
possible.
a. To compute the confidence interval use a
distribution.
b. With 98% confidence the population mean number of pounds per person per week is
between
and
pounds.
c. If many groups of 165 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 98% confidence interval for the mean number of pounds of trash per person per week that is generated in the city. The study included 165 residents whose mean number of pounds of trash generated per person per week was 36.4 pounds and the standard deviation was 6.4 pounds. Round answers to 3 decimal places where possible. a. To compute the confidence interval use a distribution. b. With 98% confidence the population mean number of pounds per person per week is between and pounds. c. If many groups of 165 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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