Arectangular solid is dilated by a factor of 0.5. how many times larger is the volume of the resulting solid than the volume of the original solid? enter your answer as a decimal in the box.

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?