Ms. Rdlo solved an equation to the end, and concluded that the equation had infinite solutions.
Which of the following could have been Ms. Pallo's
equation?
a) x = 0.6
b) x = 0
c) 6 = 6
d) -6 = 6

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?