What probability can you assign to service lives of at least

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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 normal distribution with a mean of 6 years and a standard deviation of one-half year a)What probability can you assign to service lives of at least (1) five years (2) six years (3) 7.5 years b) If the manufacturer offers service contracts of four years on these televisions what percentage can be expected to fail from wear out during the service period Please show all work

Reference no: EM131030240

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