assume that a sample is used to estimate a population proportion p. find the margin of error E that corresponds to the given statistics and confidence level. 98% confidence; the sample size is 780, of which 25% are successes

assume that a sample is used to estimate a population proportion p. find the margin of error E that corresponds to the given statistics and confidence level. 98% confidence; the sample size is 780, of which 25% are successes

Name: assume that a sample is used to estimate a population proportion p. fi
Uploaded: 2024-03-20T07:07:00.000Z
Channel: Bartleby
Description: assume that a sample is used to estimate a population proportion p. find the margin of error E that corresponds to the given statistics and confidence level. 98% confidence; the sample size is 780, of which 25% are successes

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

You plan to construct a confidence interval for the population proportion p. In order to do so, you choose a simple random sample from the population and compute the sample proportion. Which of the following will reduce the size of the margin of error? Select one: a. Use a higher level of confidence. b. Increase the sample size. c. Use a stratified random sample instead of a simple random sample. d. All of the above.
Construct the confidence interval for the population mean for the number of hours that students spend doing their homework. The data below was from the sample you collected. Use a confidence level of 97% 17 9 11 0 4 15 19 31 19 15
Assume that a sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the given statistics and confidence level. 95% confidence level; n = 428, x = 71 Round your answer to 4 decimal places.
Assume that a sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the given statistics and confidence level. Round the margin of error to four decimal places.95% confidence; the sample size is 1,400, of which 20% are successes
Assume that a sample is used to estimate a population proportion p. Find the margin of error M.E. that corresponds to a sample of size 353 with 148 successes at a confidence level of 98%.M.E. = ______%
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= 1078 and x 507 who said "yes." Use a 90% confidence level. Click the icon to view a table of z scores. ..... a) Find the best point estimate of the population proportion p. (Round to three decimal places as needed.) Clear All Check Ar View an Example Get More Help - Help Me Solve This MacBook DD F11 DII F10 F9 F8 F7 吕0 F6 F5 F4 F2 F3 F1 & #3 24 7 3 4 5 1 2 T. Y 00
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=1014 and x=510 who said "yes." Use a 90% confidence level. b) Identify the value of the margin of error E. E=_____ (Round to three decimal places as needed.)
A statistics instructor randomly selected four bags of oranges, each bag labeled 10 pounds and weighed the bags. They weighed 9.3, 9.2, 9.5, and 9.5 pounds. Assume that the distribution of weights is Normal. Find a 95% confidence interval for the mean weight of all bags of oranges. Use technology for your calculations. Answer parts a and b below. a. Choose the correct interpretation of the confidence interval below and, if necessary, fill in the answer boxes to complete your choice.
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 = 992 and x = 581 who said "yes." Use a 99% confidence level. Click the icon to view a table of z scores. ..... 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) Construct the confidence interval.
Suppose a 90 percent confidence interval to estimate a population proportion was calculated from a sample proportion of 18 percent and a margin of error of 4 percent. What is the width of the confidence interval? 2 percent A 4 percent B 8 percent C 16 percent D 36 percent
Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p. n=85, x=49; 98% confidence
Construct a confidence interval for the population proportion p. n ? 144, x ? 86, 90% confidence