Math

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? (

asked by Meredith
  1. http://davidmlane.com/hyperstat/z_table.html

    posted by Damon
  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?

    posted by john

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