For the most current year available, the mean annual cost to attend a private university in the United States was $20,157. Assume the distribution of annual costs follows the normal probability distribution and the standard deviation is $4,425.
Ninety-five percent of all students at private universities pay less than what amount? (Round z value to 2 decimal places and your final answer to the nearest whole number. Omit the "tiny_mce_markerquot; sign in your response.)