Question

Use the given confidence level and sample data to find the margin of error and ultimately...

Use the given confidence level and sample data to find the margin of error and ultimately the confidence interval for estimating the population mean ?. Round to two decimal places. 1. Salaries of statistics professors: 95% confidence; ? = 100; ?̅ = $95,000 and ? is known to be $12,345

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Use the given confidence level and sample data to find a confidence interval for the population...
Use the given confidence level and sample data to find a confidence interval for the population standard deviation sigma . Assume that a simple random sample has been selected from a population that has a normal distribution. Salaries of college professors who took a philosophy course in college 95 ​% ​confidence; n = 91​, x overbar = $65,200​, s = ​$16,815
#1 Use the confidence level and sample data to find a confidence interval for estimating the...
#1 Use the confidence level and sample data to find a confidence interval for estimating the population μ. Find the margin of error E and round your answer to the nearest tenth. Test scores: n = 93, LaTeX: \bar{x}x ¯ = 88.5, σ = 6; 99% confidence #2 A sociologist develops a test to measure attitudes towards public transportation, and n = 82 randomly selected subjects are given the test. Their mean score is LaTeX: \bar{x}x ¯ = 75.9 and...
Use the confidence level and sample data to find a confidence interval for estimating the population...
Use the confidence level and sample data to find a confidence interval for estimating the population mean. A local telephone company randomly selected a sample of 679 duration of calls. The a sample mean amount was 6.81 min with a population standard deviation of 5.1 min. Construct a confidence interval to estimate the population mean of pulse rate if a confidence level is 99% . Initial Data: E(margin of error result value) = CI(population mean confidence interval result value)=
Find the margin of error for a​ 95% confidence interval for estimating the population mean when...
Find the margin of error for a​ 95% confidence interval for estimating the population mean when the sample standard deviation equals 90 with a sample size of​ (i) 484 and​ (ii) 1600 ​(i) Find the margin of error for a​ 95% confidence interval for estimating the population mean when the sample standard deviation equals 90 with a sample size of 484 (ii). ​(ii) Find the margin of error for a​ 95% confidence interval for estimating the population mean when the...
1) Use the given confidence interval to find the margin of error and the sample mean....
1) Use the given confidence interval to find the margin of error and the sample mean. ​(12.8​,19.8​) 2) In a random sample of four microwave​ ovens, the mean repair cost was ​$60.00 and the standard deviation was ​$12.00. Assume the population is normally distributed and use a​ t-distribution to construct a 99​% confidence interval for the population mean ?. What is the margin of error of ? Interpret the results.
Use the confidenve level and sample data to find a confidence interval for estimating the population...
Use the confidenve level and sample data to find a confidence interval for estimating the population mean. A special research company randomly selected a simple random sample of 75 birth weights in US. The mean has of 3433 g with population standard deviation of 495 g of all birth weights in US. Construct a 90% confidence interval to estimate the population mean of birth weights Initial Data: E(margin of error result value) = Cl(population mean confidence interval result value)=
Use the sample data and confidence level given below to complete parts​ (a) through​ (d). A...
Use the sample data and confidence level given below to complete parts​ (a) through​ (d). A research institute poll asked respondents if they felt vulnerable to identity theft. In the​ poll, n=1075 and x=514 who said​ "yes." Use a 95 % confidence level. ​a) Find the best point estimate of the population proportion p. _____ ​(Round to three decimal places as​ needed.) ​b) Identify the value of the margin of error E. E=_____​(Round to three decimal places as​ needed.) ​c)...
a.) Given a normal distribution with σ = 0.380. Find the required sample size for a...
a.) Given a normal distribution with σ = 0.380. Find the required sample size for a 95% confidence level (estimating the mean), given a margin-of-error of 6%. b.) Given the sample results taken from a normal population distribution: mean = 4.65, σ = 0.32, and n = 17. For a 99% confidence interval, find the margin-of-error for the population mean. (use 2 decimal places) c.) Given the sample results taken from a normal population distribution: mean = 1.25, σ =...
Use the given confidence level and sample data to find a confidence interval for the population...
Use the given confidence level and sample data to find a confidence interval for the population standard deviation sigma. Assume that a simple random sample has been selected from a population that has a normal distribution. Salaries of college graduates who took a statistics course in college 80​% ​confidence; nequals61​, x overbarequals​$56 comma 600​, sequals​$16 comma 432
Use the sample data and confidence level given below to complete parts​ (a) through​ (d). A...
Use the sample data and confidence level given below to complete parts​ (a) through​ (d). A research institute poll asked respondents if they felt vulnerable to identity theft. In the​ poll, n equals =1091 and x equals =501 who said​ "yes".  Use a 95 % confidence level. a) Find the best point estimate of the population proportion p. Population proportion = ? (Round to three decimal places as​ needed.) b) Identify the value of the margin of error E. E= ?...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT