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 202 residents whose mean number of pounds of trash generated per person per week was 35.7 pounds and the standard deviation was 6.8 pounds. Round answers to 3 decimal places where possible. a. To compute the confidence interval use a ? v distribution. b. With 98% confidence the population mean number of pounds per person per week is between and pounds. c. If many groups of 202 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
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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 202
residents whose mean number of pounds of trash generated
per person per week was 35.7 pounds and the standard
deviation was 6.8 pounds. Round answers to 3 decimal
places where possible.
a. To compute the confidence interval use a ? v
distribution.
b. With 98% confidence the population mean number of
pounds per person per week is between
and
pounds.
c. If many groups of 202 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
t
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 202 residents whose mean number of pounds of trash generated per person per week was 35.7 pounds and the standard deviation was 6.8 pounds. Round answers to 3 decimal places where possible. a. To compute the confidence interval use a ? v distribution. b. With 98% confidence the population mean number of pounds per person per week is between and pounds. c. If many groups of 202 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 t and about percent will not contain the true population mean number of pounds of trash generated per person per week.
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