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A sample mean, sample size, population standard deviation, and confidence level are provided. Use this information to complete parts (a) through (c) below. x = 50, n = 14, o = 7, confidence level = 99% Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. a. Use the one-mean z-interval procedure to find a confidence interval for the mean of the population from which the sample was drawn The confidence interval is from to (Type integers or decimals rounded to one decimal place as needed.) b. Obtain the margin of error by taking half the length of the confidence interval. What is the length of the confidence interval? (Type an integer or decimal rounded to one decimal place as needed.) c. Obtain the margin of error by using the formula E=z, 2 Identify the critical value. (Type an integer or decimal rounded to two decimal places as needed.) 2 What is the margin of error obtained using the methods of parts (b) and (c)? (Type an integer or decimal rounded to one decimal place as needed.)

A sample mean, sample size, population standard deviation, and confidence level are provided. Use this information to complete parts (a) through (c) below. x = 50, n = 14, o = 7, confidence level = 99% Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. a. Use the one-mean z-interval procedure to find a confidence interval for the mean of the population from which the sample was drawn The confidence interval is from to (Type integers or decimals rounded to one decimal place as needed.) b. Obtain the margin of error by taking half the length of the confidence interval. What is the length of the confidence interval? (Type an integer or decimal rounded to one decimal place as needed.) c. Obtain the margin of error by using the formula E=z, 2 Identify the critical value. (Type an integer or decimal rounded to two decimal places as needed.) 2 What is the margin of error obtained using the methods of parts (b) and (c)? (Type an integer or decimal rounded to one decimal place as needed.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 4CYU
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A sample mean, sample size, population standard deviation, and confidence level are provided. Use this information to complete parts (a) through (c) below. x= 50, n= 14, = 7, confidence level = 99% Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. --... a. Use the one-mean z-interval procedure to find a confidence interval for the mean of the population from which the sample was drawn. to (Type integers or decimals rounded to one decimal place as needed.) The confidence interval is from b. Obtain the margin of error by taking half the length of the confidence interval. What is the length of the confidence interval? (Type an integer or decimal rounded to one decimal place as needed.) c. Obtain the margin of error by using the formula E=za Vn Identify the critical value. Z =(Type an integer or decimal rounded to two decimal places as needed.) What is the margin of error obtained using the methods of parts (b) and (c)? (Type an integer or decimal rounded to one decimal place as needed.)
Transcribed Image Text:A sample mean, sample size, population standard deviation, and confidence level are provided. Use this information to complete parts (a) through (c) below. x= 50, n= 14, = 7, confidence level = 99% Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. --... a. Use the one-mean z-interval procedure to find a confidence interval for the mean of the population from which the sample was drawn. to (Type integers or decimals rounded to one decimal place as needed.) The confidence interval is from b. Obtain the margin of error by taking half the length of the confidence interval. What is the length of the confidence interval? (Type an integer or decimal rounded to one decimal place as needed.) c. Obtain the margin of error by using the formula E=za Vn Identify the critical value. Z =(Type an integer or decimal rounded to two decimal places as needed.) What is the margin of error obtained using the methods of parts (b) and (c)? (Type an integer or decimal rounded to one decimal place as needed.)
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