Question

The Fox TV network is considering replacing one of its prime-time crime investigation shows with a new family-oriented comedy show. Before a final decision is made, network executives commission a sample of 370 viewers. After viewing the comedy, 260 indicated they would watch the new show and suggested it replace the crime investigation show.

**a.** Estimate the value of the population
proportion. **(Round the final answer to 3 decimal
places.)**

Estimate of proportion ______

**b.** Compute the standard error of the
proportion. **(Round the final answer to 3 decimal
places.)**

Standard error of the proportion _________

**c.** Develop a 99% confidence interval for the
population proportion. **(Round the final answers to 3
decimal places.)**

The confidence interval is between ____ and _____ .

**d.** Interpret your findings. **(Round the
final answers to the nearest whole number.)**

We are reasonably sure the population proportion is between ____ and _____ %.

Answer #1

The Fox TV network is considering replacing one of its
prime-time crime investigation shows with a new family-oriented
comedy show. Before a final decision is made, network executives
commission a sample of 300 viewers. After viewing the shows, 200
indicated they would watch the new show and suggested it replace
the crime investigation show.
Estimate the value of the population proportion. (Round
your answers to 3 decimal places.)
Develop a 98% confidence interval for the population
proportion. (Use z Distribution...

The Fox TV network is considering replacing one of its
prime-time crime investigation shows with a new family-oriented
comedy show. Before a final decision is made, network executives
commission a sample of 350 viewers. After viewing the shows, 250
indicated they would watch the new show and suggested it replace
the crime investigation show.
a-) Estimate the value of the population proportion.
(Round your answers to 3 decimal places.)
Population proportion __________
b-)Develop a 99 % confidence interval for the...

The Fox TV network is considering replacing one of its
prime-time crime investigation shows with a new family-oriented
comedy show. Before a final decision is made, network executives
commission a sample of 300 viewers. After viewing the shows, 150
indicated they would watch the new show and suggested it replace
the crime investigation show
a.Estimate the value of the population proportion.
(Round your answers to 3 decimal places.)
b. Develop a 95% confidence interval for the
population proportion. (Use z...

A television network maintains that switching its highest rated
situation comedy (sitcom) from Monday to Friday evening will have
no effect on the show’s popularity, which is currently 88% of the
viewing audience. The sponsor believes the change will damage the
program’s rating. A trial Friday evening is agreed to and 90 homes
in which someone is watching television are randomly surveyed. Of
these viewers, 74 of them are watching the sitcom. At the 0.01
significance level, can we conclude...

A television network maintains that switching its highest rated
situation comedy (sitcom) from Monday to Friday evening will have
no effect on the show’s popularity, which is currently 92% of the
viewing audience. The sponsor believes the change will damage the
program’s rating. A trial Friday evening is agreed to and 85 homes
in which someone is watching television are randomly surveyed. Of
these viewers, 74 of them are watching the sitcom. At the 0.05
significance level, can we conclude...

A television network maintains that switching its highest rated
situation comedy (sitcom) from Monday to Friday evening will have
no effect on the show’s popularity, which is currently 93% of the
viewing audience. The sponsor believes the change will damage the
program’s rating. A trial Friday evening is agreed to and 80 homes
in which someone is watching television are randomly surveyed. Of
these viewers, 72 of them are watching the sitcom. At the 0.05
significance level, can we conclude...

A television network maintains that switching its highest rated
situation comedy (sitcom) from Monday to Friday evening will have
no effect on the show’s popularity, which is currently 93% of the
viewing audience. The sponsor believes the change will damage the
program’s rating. A trial Friday evening is agreed to and 80 homes
in which someone is watching television are randomly surveyed. Of
these viewers, 72 of them are watching the sitcom.
a- At the 0.05 significance level, can we...

Out of a sample of 180 students, 85 indicated that they
preferred chocolate ice cream to vanilla ice cream.
a. Estimate the value of the population proportion of those who
preferred chocolate ice cream. (Round the final answer to 3 decimal
places.)
Estimated population proportion
b. Compute the standard error of the proportion. (Round the
final answer to 4 decimal places.)
Standard error of the proportion
c. Determine a 80% confidence interval for the population
proportion of those...

A telephone poll of 1000 adult Americans was reported in a
magazine. One of the questions asked was "What is the main problem
facing the country?" Suppose 18% answered "crime". We are
interested in the population proportion of adult Americans who feel
that crime is the main problem.
NOTE: If you are using a Student's t-distribution, you may
assume that the underlying population is normally distributed. (In
general, you must first prove that assumption, though.)
Construct a 95% confidence interval...

Out of a sample of 200 students, 75 indicated that they preferred
chocolate ice cream to vanilla ice cream.
a.
Estimate the value
of the population proportion of those who preferred chocolate ice
cream. (Round the final answer to 3 decimal
places.)
Estimated population proportion
b.
Compute
the standard error of the proportion. (Round the final answer to 4 decimal
places.)
Standard
error of the proportion
c.
Determine a 90%
confidence interval for the population proportion...

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