Question 7 Write the slope-intercept form of the equation of the line through the given
point with the given slope.
through: (-1, 2), slope = 3

y = ( )x + ( )

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?