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 cost 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?

ANSWERS

2021-04-07 23:37:28

Using the 68-95-99.7 rule, we get: [latex]26889+2(4500)\26889+9000\35889[/latex] $35,889

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