Question 3 (0.5 points) Jimmy ate breakfast at a diner. He ordered a pancake for $7.25 and an orange juice
for $2.35. The tax was 7.5%.
What is the amount of tax for Jimmy's meal?
$0.72
$72.00
$9.60

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?