Write an equation in point slope form for the line that passes through one of the following pairs of points. you may choose the pair you want to work with. then use the same set of points to write the equation in standard form and again in slope intercept form point pairs are (5,1), (-3, (0,-,,-,2)

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?