ZuoTi.Pro
Question

A market research company conducted a telephone survey of 255 Melbourne households to determine the proportion...

A market research company conducted a telephone survey of 255 Melbourne households to determine the proportion of households seeking to purchase a new car in the next two years. An interval estimate of 0.151 to 0.289 was calculated. Determine the level of confidence (answer as percentage correct to two decimal places).

business   economics   
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 market research company conducted a telephone survey of 255 Melbourne households to determine the proportion...
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 market research company conducted a telephone survey of 195 Melbourne households to determine the proportion...

    A market research company conducted a telephone survey of 195 Melbourne households to determine the proportion of households seeking to purchase a new car in the next two years. An interval estimate of 0.222 to 0.347 was calculated. Determine the level of confidence (answer as percentage correct to two decimal places).

  • 19A telecommunications company wants to estimate the proportion of households that would purchase an additional telephone...

    19A telecommunications company wants to estimate the proportion of households that would purchase an additional telephone line if it were made available at a substantially reduced installation cost. Data are collected from a random sample of 500 households. The results indicate that 160 of the households would purchase the additional telephone line at a reduced installation cost. Complete parts​ (a) and​ (b) below. a. Construct a 99​% confidence interval estimate for the population proportion of households that would purchase the...

  • 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...

  • The Consumer Reports National Research Center conducted a telephone survey of 2000 adults to learn about...

    The Consumer Reports National Research Center conducted a telephone survey of 2000 adults to learn about the major economic concerns for the future.The survey showed that 1240 of the respondents think the future health of Social Security is a major economic concern. Construct a 96% confidence interval estimate for the population proportion of adults who think the future health of social security is a major economic concern. Please round z or t value to 2 decimal places

  • 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...

  • The Consumer Reports National Research Center conducted a telephone survey of 2000 adults to learn about...

    The Consumer Reports National Research Center conducted a telephone survey of 2000 adults to learn about the major economic concerns for the future.The survey showed that 1240 of the respondents think the future health of Social Security is a major economic concern. Construct a 96% confidence interval estimate for the population proportion of adults who think the future health of social security is a major economic concern. Please round z or t value to 2 decimal places Does your confidence...

  • 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 aduits to lears about...

    The Consumer Reports National Research Center conducted a telephone survey of 2,000 aduits to lears about the major economic concerns for the future. The survey results showed that 1 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 Seourity is a major economic concern? b. At 90%% confidence, what is the margin of error (to 3 decimals)?...

  • 39. Telephone Households In 1920 only 35% of U.S. households had telephones, but that rate is...

    39. Telephone Households In 1920 only 35% of U.S. households had telephones, but that rate is now much higher. A recent survey of 4276 randomly selected households showed that 94% of them had telephones (based on data from the U.S. Census Bureau). Using those survey results, construct a 99% confidence interval estimate of the proportion of households with telephones. Given that the survey involves only 4276 households out of 115 million households, do we really have enough evidence to say...

  • A poll was conducted by the marketing department of a video game company to determine the...

    A poll was conducted by the marketing department of a video game company to determine the popularity of a new game that was targeted to be launched in three months. Telephone interviews with 1,500 young adults were conducted which revealed that 49% said they would purchase the new game. The margin of error was ±3 percentage points. Which of the following is true? (one or more answers) A. A sample size of 752 is needed to obtain a 90% confidence...

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