A Boston College survey consisted of 320 Michigan workers who were laid off between 1979 and 1984, I found that 20% had been out of work for at least two years. Suppose you were to select another random sample of 320 workers among all employees laid off between 1979 and 1984. Which It would be the probability that your sample percentage of unemployed workers. for at least two years, differs from the percentage obtained in the survey of Boston College, 5% or more?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
Question
A Boston College survey consisted of 320 Michigan workers who were laid off between 1979 and 1984, I found that 20% had been out of work for at least two years. Suppose you were to select another random sample of 320 workers among all employees laid off between 1979 and 1984. Which It would be the probability that your sample percentage of unemployed workers. for at least two years, differs from the percentage obtained in the survey of Boston College, 5% or more?
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