DETERMINING THE NUMBER OF WORK SAMPLE OBSERVATIONS NEEDED The manager of Michigan Countys welfare office, Dana Johnson,
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DETERMINING THE NUMBER OF WORK SAMPLE OBSERVATIONS NEEDED The manager of Michigan County’s welfare office, Dana Johnson, estimates that her employees are idle 25% of the time. She would like to take a work sample that is accurate within {3% and wants to have 95.45% confidence in the results.
APPROACH c Dana applies Equation (10-7) to determine how many observations should be taken
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Operations Management: Sustainability And Supply Chain Management
ISBN: 9780135225899,9780135202722
13th Edition
Authors: Jay Heizer; Barry Render; Chuck Munson
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