Construct a 99% confidence interval for the population mean, μ. Assume the population has a normal distribution. A group of 19 randomly selected employees has a mean age of 22.4 years with a standard deviation of 3.8 years. Group of answer choices (18.7, 24.1) (17.2, 23.6) (16.3, 26.9) (19.9, 24.9)
Construct a 99% confidence interval for the population mean, μ. Assume the population has a normal distribution. A group of 19 randomly selected employees has a mean age of 22.4 years with a standard deviation of 3.8 years. Group of answer choices (18.7, 24.1) (17.2, 23.6) (16.3, 26.9) (19.9, 24.9)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Question
Construct a 99% confidence interval for the population mean , μ. Assume the population has a normal
distribution . A group of 19 randomly selected employees has a mean age of 22.4 years with a standard
deviation of 3.8 years.
Group of answer choices
(18.7, 24.1)
(17.2, 23.6)
(16.3, 26.9)
(19.9, 24.9)
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