Analysis of digit frequency is a common tool in fraud detection. For instance, when people make up fraudulent prices on expense accounts, they often make the digit in the hundredths place a "7" because they think that "looks random," when in fact any of the ten digits "0," "1," "2," "3," "4," "5," "6,", "7," "8," "9" could be equally likely to be the digit in the hundredths place