Find the volume of the cone. What is the radius?
12

What is the height?
5

Write the volume in terms of pi (1/3 times radius squared times the height only).
π km3

Solve for the volume (Multiply by 3.14 this time)

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?