Order the following sets of numbers from least to greatest. (answer truthfully) {1/8, -0.025(r), 0.2, -1/7}
{1.25, 1 3/4, 1.25(r), 1 1/5}
(will give)

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?