a) What proportion of workers answered yes to the survey? b) What was the margin of error?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 30PPS
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answer b.
In a study of restaurant workers using a sample of 400 workers, the workers were asked if stress
at work negatively impacted their personal life. The 95% confidence interval for the proportion
of workers that answered 'yes' was computed to be (0.62, 0.73).
a)
What proportion of workers answered yes to the survey?
(3)
b)
What was the margin of error?
3)
2.
Transcribed Image Text:In a study of restaurant workers using a sample of 400 workers, the workers were asked if stress at work negatively impacted their personal life. The 95% confidence interval for the proportion of workers that answered 'yes' was computed to be (0.62, 0.73). a) What proportion of workers answered yes to the survey? (3) b) What was the margin of error? 3) 2.
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