A random sample of 5008 adults in a country includes 760 who do not use the Internet. Construct a 95% confidenceinterval estimate of the percentage of adults in the country who do not use the Internet. Based on the result, does itappear that the percentage of adults in the country who do not use the Internet is different from 48%, which was thepercentage in the year 2000?Construct a 95% confidence interval estimate of the percentage of adults in the country who do not use the Internet.%

Answered: A random sample of 5008 adults in a…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Similar questions

The manager at Bell's Gym wants to know the proportion of members who use the Cardio Machines. A sample of 260 members showed that 40 of them use cardio machines. Calculate a 97% confidence interval for the proportion of members who use the cardio machines.
A random sample of 5005 adults in a country includes 755 who do not use the Internet. Construct a 95% confidence interval estimate of the percentage of adults in the country who do not use the Internet. Based on the result, does it appear that the percentage of adults in the country who do not use the Internet is different from 47%, which was the percentage in the year 2000?
A surprising number of young adults (ages 19 to 25) still live in their parents' homes. A random sample by the National Institutes of Health included 2253 men and 2629 women in this age group. The survey found that 986 of the men and 923 of the women lived with their parents. Construct and interpret a 99% confidence interval for the difference in the true proportions of men and women aged 19 to 25 who live in their parents' homes. What conditions are met? (select all that apply) (Remember you check BOTH populations.) O 923 > 30 O 10(923) 30 O 2253 > 30 O a random sample V 2629 > 30 O 986 > 10 O 10(2629) 10 O 1706 > 10 O 923 > 10 O 10(986) < all men aged 19 to 25 O 10(2253) < all men aged 19 to 25 O O
A business conducts a random sample of 89 of its customers and find that 44 of them think the company should expand. Find an 80% confidence interval for the proportion of customers who think the company should expand. Use three decimals when computing the point estimate and when giving your final answer.
A recent study showed that among 725 randomly selected subjects who completed 4 years of college, 139 smoke and 586 do not smoke. Determine a 95% confidence interval for the true proportion of the given population who smokes.
6. Of 400 randomly selected medical students, 21 said that they planned to work in a rural community. Find a 95% confidence interval for the true proportion of all medical students who plan to work in a rural community.
A sample of 3048 randomly chosen people found that 341 of them were left-handed. Construct a 99% confidence interval for the proportion of people that are left-handed.
in a survey of 3409 adults, 1445 say they have started paying bills online in the last year. Construct a 99% confidence interval for the population proportion.
A surprising number of young adults (ages 19 to 25) still live in their parents' homes. A random sample by the National Institutes of Health included 2253 men and 2629 women in this age group. The survey found that 986 of the men and 923 of the women lived with their parents. Construct and interpret a 99% confidence interval for the difference in the true proportions of men and women aged 19 to 25 who live in their parents' homes. What conditions are met? (select all that apply) (Remember you check BOTH populations.) O 923 > 30 O 10(923) 30 O 2253 > 30 O a random sample V 2629 > 30 O 986 > 10 O 10(2629) 10 O 1706 > 10 O 923 > 10 O 10(986) < all men aged 19 to 25 O 10(2253) < all men aged 19 to 25 O O
in a random sample of 60 students from a very large university, only 25% were able to identify Denmark on a map of Europe. Construct a 95% confidence interval for the percentage of all students at this university who can identify Denmark on the map.
A random sample of 1200 high school freshmen was taken and it was found that 559 of them were reading at or above their grade level. identify the population proportion that is being estimated, create a 95% confidence interval for the proportion, and interpret the confidence interval
In a survey of 3013 adults, 1434 say they have started paying bills online in the last year. Construct a 99% confidence interval for the population proportion. Interpret the results.

SEE MORE QUESTIONS

Recommended textbooks for you

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

SEE MORE TEXTBOOKS