HW 3 - Setreri insert Draw Design Layout References Mailings Review View Due date: April 20 5.8 As part of the recruitment of new businesses, the...

5.8 wants to estimate the gross profit margin of small businesses (under $1 million in sales) currently residing in the city. A random sample of the previous years annual reports of 15 small businesses shows the mean net profit margin to be 7.2% (of sales) with a standard deviation of 12.5%. As part of the recruitment of new businesses, the city's economic development department