For the most recent year available, the mean annual cost to attend a private university in the United States was $26,889. Assume the distribution of annual costs follows the normal probability distribution and the standard deviation is $4500.
- What is the probability a student will pay less than $20,000 to attend a private university?
- What is the probability a student will pay more than $30,000 to attend a private university?
- What is the probability a student will pay between $22,000 and $32,000 to attend a private university?