æ¯çå€åèšç®æ©ã®äœ¿ãæ¹
ã³ã³ããŒãžã§ã³çãåžå Žã·ã§ã¢ãæºè¶³åºŠèª¿æ»ã®çµæãªã©ã2æç¹ã®æ¯ç(%)ãæ¯ã¹ããšããåçŽãªå·®(%p)ãšçžå¯Ÿçãªå€åç(%)ãæ··åããã¡ã§ãããã®ããŒã«ã¯å€ååãšå€ååŸã®å€ãå ¥åãããšãäž¡æ¹ã®ææšãäžç·ã«èšç®ããããŒã°ã©ãã§å€åå¹ ãäžç®ã§ç€ºããŸãã
ããŒã»ã³ããã€ã³ã(%p)ã¯2ã€ã®å€ã®åçŽãªåŒãç®ã§ãçžå¯Ÿå€åç(%)ã¯åã®å€ã«å¯ŸããŠã©ãã ã墿žãããã衚ããŸããäŸãã°ã³ã³ããŒãžã§ã³çã10%ãã25%ã«äžãã£ãå Žåã15%pã®å¢å ã§ãããšåæã«150%ã®å¢å ã§ããããŸãããã®2ã€ã¯æå³ãç°ãªããããè³æäœææã«ã©ã¡ãã®ææšã䜿ããæç¢ºã«ããããšãéèŠã§ããåã®å€ã0ã®å Žåãçžå¯Ÿå€åçã¯æ°åŠçã«å®çŸ©ã§ããªããã%på·®ã®ã¿è¡šç€ºãããŸãã
ãããã質å
%pã¯2ã€ã®æ¯çã®åçŽãªå·®ã%ã¯å ã®å€ã«å¯Ÿããçžå¯Ÿçãªå€åçã§ãã10%ãã20%ãžã®å€åã¯10%pã®å¢å ã§ãã100%ã®å¢å ã§ãã
çžå¯Ÿå€åçã¯åã®å€ã§å²ãèšç®ã®ããã0ã§ã¯å²ããŸããããã®å Žåã¯%på·®ã®ã¿åèã«ããŠãã ããã
ã¯ããæžå°ã衚ããã€ãã¹å€ãå ¥åå¯èœã§ãåãæ¹åŒã§èšç®ãããŸãã