Give the two pairs of values, answer the following questions

(60 points) explain this in detail

Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge

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?