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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