A football field is 120 yards (360 feet) of length. The playing field is 100 yards long, with a 10-yard-deep end zone on each side and 53 1/3 yards (160 feet) of width. What is the area in "FEET" of a football field?

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?