A labor union is becoming defensive about gross absenteeism by its members. The union leaders had always
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A labor union is becoming defensive about gross absenteeism by its members. The union leaders had always claimed that, in a typical month, 95% of its members were absent less than 10 hours. The union decided to check this by monitoring a random sample of 300 of its members. The number of hours absent was recorded for each of the 300 members. The results were x̅ = 6.5 hours and s = 2.5 hours. Use the data to respond to this claim, using a one-sided tolerance limit and choosing the confidence level to be 99%. Be sure to interpret what you learn from the tolerance limit calculation.
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Essentials Of Probability And Statistics For Engineers And Scientists
ISBN: 9780321783738
1st Edition
Authors: Ronald E. Walpole, Raymond Myers, Sharon L. Myers, Keying E. Ye
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