For the most recent year available, the mean annual cost to attend a private college was $25

Question:

For the most recent year available, the mean annual cost to attend a private college was $25 000. Assume that the distribution of annual costs follows the normal probability distribution and the standard deviation is $4500.
a. What percentage of students attending a private college pay between $20 000 and $30 000?
b. Ninety-five percent of all students at private colleges pay less than what amount?

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...

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