A major television manufacturer has determined that its 40-inch LED televisions have a meanservice life that can be modeled by a normal distribution with a mean of six years and a standarddeviation of one-half year.a. What probability can you assign to service lives of at least (1) five years? (2) six years? (3)seven and one-half years?
A major television manufacturer has determined that its 40-inch LED televisions have a meanservice life that can be modeled by a normal distribution with a mean of six years and a standarddeviation of one-half year.a. What probability can you assign to service lives of at least (1) five years? (2) six years? (3)seven and one-half years?
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
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A major television manufacturer has determined that its 40-inch LED televisions have a mean
service life that can be modeled by a
deviation of one-half year.
a. What probability can you assign to service lives of at least (1) five years? (2) six years? (3)
seven and one-half years?
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If the manufacturer offers service contracts of Six years on these picture tubes, what percentage can be expected to fail from wear-out during the service period?
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