Question

You are given the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. Interpret the results and compare the widths of the confidence intervals. If convenient, use technology to construct the confidence intervals. A random sample of 45 home theater systems has a mean price of $140.00. Assume the population standard deviation is $16.20. Construct a 90% confidence interval for the population mean. The 90% confidence interval is (_,_) Constrcut a 95% interval for the population mean. The 95% confidence interval is 9_,_)

Answer #1

You are given the sample mean and the population standard
deviation. Use this information to construct the 90% and 95%
confidence intervals for the population mean. Interpret the results
and compare the widths of the confidence intervals. If convenient,
use technology to construct the confidence intervals.
A random sample of 40 home theater systems has a mean price of
$140.00 Assume the population standard deviation is $19.50.
The 90% confidence interval is?
The 95% confidence interval is?

You are given the sample mean and the population standard
deviation. Use this information to construct the? 90% and? 95%
confidence intervals for the population mean. Interpret the results
and compare the widths of the confidence intervals. If? convenient,
use technology to construct the confidence intervals. A random
sample of 60 60 home theater systems has a mean price of ?$ 130.00.
Assume the population standard deviation is ?$ 16.20

You are given the sample mean and the population standard
deviation. Use this information to construct the 90% and 95%
confidence intervals for the population mean. Interpret the results
and compare the widths of the confidence intervals. If convenient,
use technology to construct the confidence intervals. A random
sample of 50 home theater systems has a mean price of $142.00.
Assume the population standard deviation is $18.70.
Construct a 90% confidence interval for the population
mean.

You are given the sample mean and the population standard
deviation. Use this information to construct the? 90% and? 95%
confidence intervals for the population mean. Interpret the results
and compare the widths of the confidence intervals. If? convenient,
use technology to construct the confidence intervals. A random
sample of 55 home theater systems has a mean price of ?$145.00.
Assume the population standard deviation is ?$15.50. Construct a?
90% confidence interval for the population mean.

You are given the sample mean and the population standard
deviation. Use this information to construct the90% and 95%
confidence intervals for the population mean. Interpret the results
and compare the widths of the confidence intervals. If convenient,
use technology to construct the confidence intervals. A random
sample of 6060 home theater systems has a mean price of
$129.00129.00. Assume the population standard deviation is
$15.9015.90.
Construct a 90% confidence interval for the population
mean.
The 90% confidence interval is...

you are given the sample mean and the population
standard deviation. Use this information to construct the 90% and
95% confidence intervals for the population mean. interpret the
results and compare the widths of the confidence intervals. if
convenient, use technology to construct the confidence
intervals.
a random sample of 55 home theater systems has a mean
price of $113.00. Assume the population standard deviation is
$16.50

You are given the sample mean and the population standard
deviation. Use this information to construct the 90% and 95%
confidence intervals for the population mean. Interpret the results
and compare the widths of the confidence intervals. If convenient,
use technology to construct the confidence intervals.
A random sample of 60 home theater systems has a mean price of
$147.00. Assume the population standard deviation is $19.40.
Construct a 90% confidence interval for the population mean.
The 90% confidence interval...

You are given the sample mean and the population standard
deviation. Use this information to construct the 90% and 95%
confidence intervals for the population mean. Interpret the results
and compare the widths of the confidence intervals. If convenient,
use technology to construct the confidence intervals. A random
sample of 45 45 home theater systems has a mean price of $ 137.00
137.00. Assume the population standard deviation is $ 16.60 16.60.
Construct a 90% confidence interval for the population...

You are given the sample mean and the population standard
deviation. Use this information to construct the 90% and 95%
confidence intervals for the population mean. Interpret the results
and compare the widths of the confidence intervals. If convenient,
use technology to construct the confidence intervals. A random
sample of 55 home theater systems has a mean price of $115.00.
Assume the population standard deviation is $17.70.
1. The 90% confidence interval is?
2. Interpret the results. Choose the correct...

You are given the sample mean and the sample standard deviation.
Use this information to construct the 90% and 95% confidence
intervals for the population mean. Interpret the results and
compare the widths of the confidence intervals. If convenient, use
technology to construct the confidence intervals. A random sample
of 5050 home theater systems has a mean price of $145.00145.00 and
a standard deviation is $18.7018.70.
The 90% confidence interval is
The 95% confidence interval is
Interpret the results. Choose...

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