Mathematics, 06.11.2020 17:50, figueroajorge8291
Cook-It toaster has a mean time before failure of 30 months with a standard deviation of 4 months, and the failure times are normally distributed. What should be the warranty period, in months, so that the manufacturer will not have more than 9% of the toasters returned? Round your answer down to the nearest whole number.
Answers: 2
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Cook-It toaster has a mean time before failure of 30 months with a standard deviation of 4 months, a...
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