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7. Suppose that the starting annual salary in April 2013 for new college graduates who found...

7. Suppose that the starting annual salary in April 2013 for new college graduates who found full time employment is normally distributed with a mean of $48,181 and a standard deviation of $3,708. Find the starting annual salary x0 such that 20% of new college graduates who found full time employment in April 2013 earned less than x0

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