After constructing a relative frequency distribution summarizing IQ scores of college students, what should be the sum

Question:

After constructing a relative frequency distribution summarizing IQ scores of college students, what should be the sum of the relative frequencies?

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...