The daily wage of a particular industry is normally distributed with a mean of 150 pesos. In a random sample of 144 workers of a very large company in this industry, the mean daily wage was found to be 148 pesos with a standard deviation of 10 pesos. Can this company be accused of paying inferior wages (less than the usual) at α=5%? A 95% confidence interval about the mean daily wage of the workers is ______. (Use Z0.025=1.96 as critical value)
The daily wage of a particular industry is normally distributed with a mean of 150 pesos. In a random sample of 144 workers of a very large company in this industry, the mean daily wage was found to be 148 pesos with a standard deviation of 10 pesos. Can this company be accused of paying inferior wages (less than the usual) at α=5%? A 95% confidence interval about the mean daily wage of the workers is ______. (Use Z0.025=1.96 as critical value)
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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The daily wage of a particular industry is
A 95% confidence interval about the mean daily wage of the workers is ______. (Use Z0.025=1.96 as critical value)
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