Time to Do Taxes The Internal Revenue Service claims it takes an average of 3.7 hours to
Chapter 9, Problem 32(choose chapter or problem)
Time to Do Taxes The Internal Revenue Service claims it takes an average of 3.7 hours to complete a 1040 tax form. Assuming the time to complete the form is normally distributed with a standard deviation of 30 minutes: (a) What percent of people would you expect to complete the form in less than 5 hours? (b) What time interval would you expect to include the middle 50% of the tax filers?
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