Question
In: Statistics and Probability
Thirty-five small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5...
Thirty-five small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5 reported cases of larceny per year. Assume that σ is known to be 40.7 cases per year.
(a) Find a 90% confidence interval for the population mean annual number of reported larceny cases in such communities. What is the margin of error? (Round your answers to one decimal place.)
| lower limit | |
| upper limit | |
| margin of error |
(b) Find a 95% confidence interval for the population mean annual
number of reported larceny cases in such communities. What is the
margin of error? (Round your answers to one decimal place.)
| lower limit | |
| upper limit | |
| margin of error |
(c) Find a 99% confidence interval for the population mean annual
number of reported larceny cases in such communities. What is the
margin of error? (Round your answers to one decimal place.)
| lower limit | |
| upper limit | |
| margin of error |
Solutions
Expert Solution
Answer a)
Lower limit: 127.2
Upper limit: 149.8
Margin of error: 11.3
Answer b)
Lower limit: 125.0
Upper limit: 152.0
Margin of error: 13.5
Answer c)
Lower limit: 120.8
Upper limit: 156.2
Margin of error: 17.7
orchestra answered 1 year agoRelated Solutions
Thirty-five small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5...
Thirty-five small communities in Connecticut (population near
10,000 each) gave an average of x = 138.5 reported cases of larceny
per year. Assume that σ is known to be 41.1 cases per year.
(a) Find a 90% confidence interval for the population mean
annual number of reported larceny cases in such communities. What
is the margin of error? (Round your answers to one decimal
place.)
lower limit =
upper limit =
margin of error =
(b) Find a 95% confidence...
Thirty-five small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5...
Thirty-five small communities in Connecticut (population near
10,000 each) gave an average of x = 138.5 reported cases
of larceny per year. Assume that σ is known to be 40.7
cases per year.
(a) Find a 90% confidence interval for the population mean
annual number of reported larceny cases in such communities. What
is the margin of error? (Round your answers to one decimal
place.)
lower limit
upper limit
margin of error
(b) Find a 95% confidence interval for the...
Thirty small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5...
Thirty small communities in Connecticut (population near 10,000
each) gave an average of x = 138.5 reported cases of
larceny per year. Assume that σ is known to be 40.9 cases
per year.
(a) Find a 90% confidence interval for the population mean
annual number of reported larceny cases in such communities. What
is the margin of error? (Round your answers to one decimal
place.)
lower limit
upper limit
margin of error
(b) Find a 95% confidence interval for the...
Thirty small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5...
Thirty small communities in Connecticut (population near 10,000
each) gave an average of x = 138.5 reported cases of
larceny per year. Assume that σ is known to be 41.5 cases
per year.
(a) Find a 90% confidence interval for the population mean
annual number of reported larceny cases in such communities. What
is the margin of error? (Round your answers to one decimal
place.)
lower limit
upper limit
margin of error
(b) Find a 95% confidence interval for the...
Thirty small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5...
Thirty small communities in Connecticut (population near 10,000
each) gave an average of x = 138.5 reported cases of
larceny per year. Assume that σ is known to be 41.9 cases
per year.
(a) Find a 90% confidence interval for the population mean
annual number of reported larceny cases in such communities. What
is the margin of error? (Round your answers to one decimal
place.)
lower limit
upper limit
margin of error
(b) Find a 95% confidence interval for the...
Thirty small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5...
Thirty small communities in Connecticut (population near 10,000
each) gave an average of x = 138.5 reported cases of
larceny per year. Assume that σ is known to be 40.3cases
per year.
(a) Find a 90% confidence interval for the population mean
annual number of reported larceny cases in such communities. What
is the margin of error? (Round your answers to one decimal
place.)
lower limit
upper limit
margin of error
(b) Find a 95% confidence interval for the population...
Thirty small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5...
Thirty small communities in Connecticut (population near 10,000
each) gave an average of x = 138.5 reported cases of
larceny per year. Assume that σ is known to be 44.9 cases
per year.
(a) Find a 90% confidence interval for the population mean
annual number of reported larceny cases in such communities. What
is the margin of error? (Round your answers to one decimal
place.)
lower limit
upper limit
margin of error
(b) Find a 95% confidence interval for the...
Thirty small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5...
Thirty small communities in Connecticut (population near 10,000
each) gave an average of x = 138.5 reported cases of larceny per
year. Assume that σ is known to be 45.1 cases per year.
(a) Find a 90% confidence interval for the population mean
annual number of reported larceny cases in such communities. What
is the margin of error? (Round your answers to one decimal
place.)
lower limit:
upper limit:
margin of error:
(b) Find a 95% confidence interval for the...
Thirty-four small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5...
Thirty-four small communities in Connecticut (population near
10,000 each) gave an average of x = 138.5 reported cases of larceny
per year. Assume that σ is known to be 42.5 cases per year. (a)
Find a 90% confidence interval for the population mean annual
number of reported larceny cases in such communities. What is the
margin of error? (Round your answers to one decimal place.) lower
limit 126.9 Incorrect: Your answer is incorrect. upper limit 150.1
Incorrect: Your answer is...
Thirty-four small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5...
Thirty-four small communities in Connecticut (population near
10,000 each) gave an average of x = 138.5 reported cases of larceny
per year. Assume that σ is known to be 41.9 cases per year.
(a) Find a 90% confidence interval for the population mean
annual number of reported larceny cases in such communities. What
is the margin of error? (Round your answers to one decimal
place.)
lower limit
upper limit
margin of error
(b) Find a 95% confidence interval for the...
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