A national organization conducted a survey of 1300 American adults and asked how many hours they work each week, on average. The organization reported that American adults work a mean of 40.5 hours each week. The study reported a margin of error of 0.8 hours. (Assume 95% confidence was used.) Step 2 of 3 : Express the confidence interval mathematically. Do not round answers.
A national organization conducted a survey of 1300 American adults and asked how many hours they work each week, on average. The organization reported that American adults work a mean of 40.5 hours each week. The study reported a margin of error of 0.8 hours. (Assume 95% confidence was used.) Step 2 of 3 : Express the confidence interval mathematically. Do not round answers.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 11PPS
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A national organization conducted a survey of 1300 American adults and asked how many hours they work each week, on average. The organization reported that American adults work a mean of 40.5 hours each week. The study reported a margin of error of 0.8 hours. (Assume 95% confidence was used.)
Step 2 of 3 :
Express the confidence interval mathematically. Do not round answers.
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