Mathematics, 13.11.2020 06:50 fffcc7665
7) Suppose that replacement times for washing machines are normally distributed with a mean of 8.4 years and a standard deviation of 1.2 years. Find the replacement time that separates the top 18% from the bottom 82%.
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7) Suppose that replacement times for washing machines are normally distributed with a mean of 8.4 y...
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