1) A sample of salaries of university assistant professors in the business department revealed a mean of $67,000 and a standard deviation of $3,000, The data indicate that the salaries are normally distributed. a) Using the empirical rule, what percentage of faculty earns at least $64,000 but no more than $73,000? b) Using the empirical rule, what salary range (2 numbers) will the middle 68.26 % earn? c) Using the empirical rule, what percentage of faculty earns less than $61,000 OR more than $73,000?

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