QUICK QUESTION! In ΔCAB, if the measure of segment AB is 8 units and the measure of segment segment AC is 5 units, which of the following could be the measure of segment segment CB?

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?