Thirty-one small communities in Connecticut (population near 10,000 each) gave an average of x(with a dash...

Thirty-one small communities in Connecticut (population near 10,000 each) gave an average of x(with a dash above it) = 138.5 reported cases of larceny per year. Assume that σ is known to be 42.7 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

Expert Solution

orchestra answered 3 years ago

Thirty-one small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5...

Thirty-one 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 43.7 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-one small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5...

Thirty-one 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 44.5 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-one small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5...

Thirty-one 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 40.1 cases per year. (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.)

Thirty-one small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5...

Thirty-one 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 44.1 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-one small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5...

Thirty-one 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 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...

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Thirty-one small communities in Connecticut (population near 10,000 each) gave an average of x(with a dash...

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Thirty-one small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5...

Thirty-one small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5...

Thirty-one small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5...

Thirty-one small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5...

Thirty-one 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...

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...

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...