Operations Management: Processes And Supply Chains (12th Edition) (what's New In Operations Management)
Operations Management: Processes And Supply Chains (12th Edition) (what's New In Operations Management)
12th Edition
ISBN: 9780134742205
Author: Lee J. Krajewski, Manoj K. Malhotra, Larry P. Ritzman
Publisher: PEARSON
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Chapter B, Problem 13P
Summary Introduction

Interpretation: Whether the manager should hire any new personnel and the recommendations to the manager are to be concluded.

Concept Introduction: Poisson distribution is the tool helps to calculate the probability of happening in fixed period of time. Exponential distribution is the expected value of time elapsed between the two events.

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Failsafe Textiles employs three highly skilled maintenance workers who are responsible for repairing the numerous industrial robots used in its manufacturing process. A worker can fix one robot every 8 hours on average, with an exponential distribution. An average of one robot fails every 3 hours, according to a Poisson distribution. Each down robot costs the company $100.00 per hour in lost production. A new maintenance worker costs the company $80.00 per hour in salary, benefits, and equipment. Should the manager hire any new personnel? If so, how many people? What would yourecommend to the manager, based on your analysis?
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