<page_title> Index of coincidence </page_title> <section_title> Application </section_title> <table> <cell> AA <col_header> Pair </col_header> </cell> <cell> 56.25% <col_header> Probability </col_header> </cell> <cell> BB <col_header> Pair </col_header> </cell> <cell> 6.25% <col_header> Probability </col_header> </cell> </table>
The probability of a coincidence is 62.5% (56.25% for AA + 6.25% for BB).