A random sample of 36 measurements was selected from a population with unknown mean μ and known standard deviation σ = 18. The sample mean is x = 28. a. Find the margin of error of 99% confidence interval for u. b. Calculate a 98% confidence interval for u. c. Calculate a 90% confidence interval for u.
A random sample of 36 measurements was selected from a population with unknown mean μ and known standard deviation σ = 18. The sample mean is x = 28. a. Find the margin of error of 99% confidence interval for u. b. Calculate a 98% confidence interval for u. c. Calculate a 90% confidence interval for u.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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