Find the volume of the cube in inches3 below. Then select the correct units when entering your answer.
7 in.
7 in.
7 in
Answer here
cu. cm
cu, in
sq. in

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?