Consider the two ads for an accounting clerk. If you worked 40 hours per week for 50 weeks, how much more would each company pay per hour? AD 1 ACCOUNTANT - $20,000. AD 2 Accounting Clerk - $15,300

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?