Question

For the most recent year available, the mean annual cost to attend a private university in the United States was $20,082. Assume the distribution of annual costs follows the normal probability distribution and the standard deviation is $4,500.

Ninety-five percent of all students at private universities pay less than what amount? (

Answer 1

http://davidmlane.com/hyperstat/z_table.html

Answer 2

For the most recent year available, the mean annual cost to attend a private university in the United States was $20,082. Assume the distribution of annual costs follows the normal probability distribution and the standard deviation is $4,500.

Ninety-five percent of all students at private universities pay less than what amount?