Use the output shown above and write an equation that can be used to predict the price of the stock. a. y = 118.506 - 0.016x1 - 1.573x2b. y = 33.575 +0.031x1 + 0.359x2c. y = -0.125x1 – 1.06x2d. y = 3.53 - 0.5176x1 – 4.381x2

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?