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Mathematics, 27.09.2019 10:10 gnoelle98
Suppose that replacement times for washing machines are normally distributed with a mean of 9.3 years and a standard deviation of 1.1 years. find the probability that 70 randomly selected washing machines will have a mean replacement time less than 9.1 years. write your answer as a decimal rounded to 4 places.
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Suppose that replacement times for washing machines are normally distributed with a mean of 9.3 year...
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