ZuoTi.Pro
Question

A survey has been conducted to estimate the usage of high-speed internet in the local area....

A survey has been conducted to estimate the usage of high-speed internet in the local area. 154 households were surveyed and asked whether they used high-speed internet at their home. 84 households surveyed responded that they do have a high-speed internet connection at home. a)Calculate the margin of error for the 95% confidence interval for the proportion of households that have a high-speed internet connection. Give your answer as a decimal to 3 decimal places. margin of error = b)Calculate the 95% confidence interval for the proportion of households that have a high-speed internet connection. Give your answers as decimals to 3 decimal places. ≤ p ≤ [2 points]

math   Statistics-And-Probability   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

0 0
Add a comment
Know the answer?
Add Answer to:
A survey has been conducted to estimate the usage of high-speed internet in the local area....
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • A survey was run by a high school student in order to determine what proportion of...

    A survey was run by a high school student in order to determine what proportion of mortgage-holders in his town expect to own their house within 10 years. He surveyed 141 mortgage holders and found that the proportion of these that did expect to own their house within 10 years is 0.70. The student decides to construct a 95% confidence interval for the population proportion. a) Calculate the margin of error that the high school student will have. Give your...

  • A survey was run by a high school student in order to determine what proportion of...

    A survey was run by a high school student in order to determine what proportion of mortgage-holders in his town expect to own their house within 10 years. He surveyed 41 mortgage holders and found that the proportion of these that did expect to own their house within 10 years is 0.61. The student decides to construct a 95% confidence interval for the population proportion. a) Calculate the margin of error that the high school student will have. Give your...

  • The Pew Research Center Internet Project conducted a survey of 707 Internet users. This survey provided...

    The Pew Research Center Internet Project conducted a survey of 707 Internet users. This survey provided a variety of statistics on them. If required, round your answers to four decimal places. 1)The sample survey showed that 90% of respondents said the Internet has been a good thing for them personally. Develop a 95% confidence interval for the proportion of respondents who say the Internet has been a good thing for them personally. 2) The sample survey showed that 67% of...

  • The Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about the major econ...

    The Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about the major economic concerns for the future. The survey results showed that 1,620 of the respondents think the future health of Social Security is a major economic concern. a. What is the point estimate of the population proportion of adults who think the future health of Social Security is a major economic concern (to 3 decimals)? b. At 90% confidence, what is the margin...

  • The Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about...

    The Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about the major economic concerns for the future. The survey results showed that 1,720 of the respondents think the future health of Social Security is a major economic concern. a. What is the point estimate of the population proportion of adults who think the future health of Social Security is a major economic concern (to 3 decimals)? 0.81 % b. At 90% confidence, what is...

  • 12 of 13 ID: MST.CI.CIP.01.0030.STAT301 [1 point] A statistics lecturer poses the following question to her...

    12 of 13 ID: MST.CI.CIP.01.0030.STAT301 [1 point] A statistics lecturer poses the following question to her students as homework: 'Suppose I collected a sample and calculated the sample proportion. If I construct a 90% confidence interval for the population proportion and a 95% confidence interval for the population proportion, which of these intervals will be wider?' Three students provide their answers as follows: Tim: 'The 90% confidence interval will be wider.' Trevor: 'The 95% confidence interval will be wider.' Tracy:...

  • The Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about...

    The Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about the major economic concerns for the future. The survey results showed that 1,780 of the respondents think the future health of Social Security is a major economic concern. If computing the confidence intervals manually, make sure to use at least three decimal digits for the critical values. a. What is the point estimate of the population proportion of adults who think the future health...

  • Large Sample Proportion Problem. A survey was conducted on high school marijuana use. Of the 2266...

    Large Sample Proportion Problem. A survey was conducted on high school marijuana use. Of the 2266 high school students surveyed, 970 admitted to smoking marijuana at least once. The standard error for a confidence interval for this proportion would be: o It depends upon the Alternative Hypothesis O 1.4281*5719)/SQRT(2266) O 1.4281*.5719)/2266 O SQRT(.4281*.5719)/2266)

  • A sample survey of 842 adult Internet users found that 67% look for information on the...

    A sample survey of 842 adult Internet users found that 67% look for information on the online collaborative encyclopedia Wikipedia. ( a) Give the standard error SE of p̂, the proportion of all adult Internet users who look for information on Wikipedia. (Round your answer to four decimal places.) SE = (b) Give a 95% large sample confidence interval for the proportion of all adult internet users who look for information on Wikipedia. -0.624 to 0.716 -0.615 to 0.725 -0.638...

  • A survey was conducted with randomly selected 1012 California residents of age 18 and older. One...

    A survey was conducted with randomly selected 1012 California residents of age 18 and older. One of the questions on the survey was, “Are you in favor of death penalty for a person convicted of murder?” 693 of the surveyed answered yes. Check the conditions and construct 90% confidence interval for proportion of California residents age 18 or older who are in favor of death penalty. (Find critical value, margin of error, confidence interval, and state the conclusion)

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT