The enrollment at Ohio State University is 45,000 students. The enrollment has declined at a rate of 1.5% each year. What will the enrollment be in 12 years? (Round to the nearest whole person.)

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?