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According to a recent survey, the salaries of assistant professors have a mean of 41,750 and a standard deviation of 6500. Assuming that the salaries

According to a recent survey, the salaries of assistant professors have a mean of 41,750 and a standard deviation of 6500. Assuming that the salaries of assistant professors follow a normal distribution, find the proportion of assistant professors who earn at least 40,000. Round your answer to at least four decimal places.

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