Calculate the volume of each pyramid to determine which pyramid can hold more space. Then, complete the statements. The volume of the rectangular pyramid is cubic meters. The volume of the square pyramid is cubic meters. The volume of the rectangular pyramid is the volume of the square pyramid.

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?