Mathematics, 15.07.2021 18:00, ryliefitz32

Eco-Cook rice cooker has a mean time before failure of 38 months with a standard deviation of 6 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 8% of the rice cookers returned

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Eco-Cook rice cooker has a mean time before failure of 38 months with a standard deviation of 6 mont...