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Suppose that replacement times for washing machines are normally distributed with a mean of 7.8 years and a standard deviation of 2.1 years. Find the

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Suppose that replacement times for washing machines are normally distributed with a mean of 7.8 years and a standard deviation of 2.1 years. Find the 80th percentile. Round your answer to the nearest tenth of a year. (to ONE decimal place) 9.6 years 6.0 years 9.2 years O 10.1 years

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