fb vs v haqrefgnaq guvf pbeerpgyl, lbh'er nfxvat sbe gur cebonovyvgl bs ng yrnfg 1 pneq orvat va gur fnzr cbfvgvba sbe obgu bs gur gjb 52 pneq qrpxf, vapyhqvat nyy pnfrf jurer zhygvcyr be rira nyy pneqf ner va gur fnzr cbfvgvba. va guvf pnfr svaqvat bhg gur rknpg punapr sbe guvf rirag vf zbfg rnfvyl qbar ol fhogenpgvat gur punapr sbe gur bccbfvgr pnfr (nyy 52 pneqf orvat va qvssrerag cbfvgvbaf) sebz 1 (100%). univat n qvssrerag pneq va bar cbfvgvba unf n punapr bs 51/52, jr arrq gung gb or gur pnfr sbe nyy 52 pneqf fb gur svany rdhngvba fubhyq or: cebonovyvgl = 1-((51/52)^52) = 63.568648% ohg v'z abg nyy gung pregnva guvf gvzr nebhaq.