Question

In a random sample of 36 criminals convicted of a certain crime, it was determined that the mean length of sentencing was 57 months, with a standard deviation of 10 months. Construct and interpret a 95% confidence interval for the mean length of sentencing for this crime.

Answer #1

In a random sample of
39
criminals convicted of a certain crime, it was determined that
the mean length of sentencing was
61
months, with a standard deviation of
14
months. Construct a
95%
confidence interval for the mean length of sentencing for this
crime.
The
95%
confidence interval is
(?,?).

In a random sample of 37 criminals convicted of a certain
crime, it was determined that the mean length of sentencing was 57
months, with a standard deviation of 12 months. Construct and
interpret a 90% confidence interval for the mean length of
sentencing for this crime. Select the correct choice below and fill
in the answer boxes to complete your choice. (Use ascending order.
Round to one decimal place as needed.)
A. There is a 90% probability that the...

In a random sample of
38
criminals convicted of a certain crime, it was determined that
the mean length of sentencing was
55
months, with a standard deviation of
8
months. Construct and interpret a
95%
confidence interval for the mean length of sentencing for this
crime.Click here to view the standard normal distribution table
(page 1).
LOADING...
Click here to view the standard normal distribution table (page
2).
LOADING...
Click here to view the table of critical t-values.
LOADING......

In a random sample of
81
audited estate tax returns, it was determined that the mean
amount of additional tax owed was
$3418
with a standard deviation of
$2516
Construct and interpret a 90% confidence interval for the mean
additional amount of tax owed for estate tax returns.

In a random sample of 49 audited estate tax returns, it was
determined that the mean amount of additional tax owed was $3412
with a standard deviation of 2564.
Construct and interpret a 90% confidence interval for the mean
additional amount of tax owed for estate tax returns.

In a random sample of 64 audited estate tax returns, it was
determined that the mean amount of additional tax owed was $3479
with a standard deviation of $2526. Construct and interpret a 90%
confidence interval for the mean additional amount of tax owed for
estate tax returns. Find and interpret a 90% confidence interval
for the mean additional amount of tax owed for estate tax returns.
Select the correct choice below and fill in the answer boxes to
complete...

A random sample of 23 laptop computers has a mean price of
$943.22 and a standard deviation of $838.71.
Construct a 90% confidence interval of the population mean
price and interpret the confidence interval in 1 sentence:
Construct a 95% confidence interval of the population mean price
and interpret the confidence interval in 1 sentence:

4. A random sample of 36 commuters in Chicago was taken. The
sample mean of the commuting times was 33.2 minutes and the sample
standard deviation was 8.3 minutes.
a. Can the distribution of x ̅ be considered Nearly Normal? Why?
(3)
b. Check for Independence. Explain your answer. (4)
c. Construct a 95% confidence interval. Show the formula and
fill in all of the values. Calculations can be done using a
calculator test. Give the answer to the nearest...

In a random sample of
100100
audited estate tax returns, it was determined that the mean
amount of additional tax owed was
$34663466
with a standard deviation of
$25272527.
Construct and interpret a 90% confidence interval for the mean
additional amount of tax owed for estate tax returns.
LOADING...
Click the icon to view the t-distribution table.
The lower bound is ______
The upper bound is ______

A random sample of 36 college graduates revealed that they
worked an average of 6 years on the job before being promoted. The
sample standard deviation was 1 years. Using a 95% confidence
interval, what is the confidence interval for the population mean?
Suppose that the population is normally distributed.

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