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?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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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?
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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