A company sells printers with a mean life of 2 years (24 months) and a standard deviation of 4 months. The company will replace a printer if it is faulty within 12 months of sale. If they sell 10,000, how many can they expect to replace if life expectancy is normally distributed?
A company sells printers with a mean life of 2 years (24 months) and a standard deviation of 4 months. The company will replace a printer if it is faulty within 12 months of sale. If they sell 10,000, how many can they expect to replace if life expectancy is normally distributed?
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Transcribed Image Text:A company sells printers with a mean life of 2 years (24 months) and a standard
deviation of 4 months. The company will replace a printer if it is faulty within
12 months of sale. If they sell 10,000, how many can they expect to replace if
life expectancy is normally distributed?
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