Timothy has a drawing of the family room of a house that he is building. The drawing shows the family room to be a rectangle 4 cm wide by 6 cm long.
• The scale is 1 cm = 5 ft.
What is the actual area of the family room?

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?