Πιθανότητα

Question

&Sigma;&tau;&iota;&sigmaf; 7/3 &epsilon;ί&chi;&alpha; &mu;&iota;&alpha; &mu;&eta; &omicron;&lambda;&omicron;&kappa;&lambda;&eta;&rho;&omega;&mu;έ&nu;&eta; &epsilon;&pi;&alpha;&phi;ή ό&pi;&omicron;&upsilon; &omicron; &phi;ί&lambda;&omicron;&sigmaf; &mu;&omicron;&upsilon; &epsilon;&iota;&sigma;ή&lambda;&theta;&epsilon; &gamma;&iota;&alpha; έ&nu;&alpha; &lambda;&epsilon;&pi;&tau;ό &chi;&omega;&rho;ί&sigmaf; &pi;&rho;&omicron;&phi;ύ&lambda;&alpha;&xi;&eta;. &Sigma;&tau;&iota;&sigmaf; 17/3 &epsilon;ί&chi;&alpha; &pi;&epsilon;&rho;ί&omicron;&delta;&omicron; ό&mu;&omega;&sigmaf; &alpha;&upsilon;&tau;ό &tau;&omicron;&nu; &mu;ή&nu;&alpha; έ&chi;&omega; 7 &mu;έ&rho;&epsilon;&sigmaf; &kappa;&alpha;&theta;&upsilon;&sigma;&tau;έ&rho;&eta;&sigma;&eta;. &Upsilon;&pi;ά&rho;&chi;&epsilon;&iota; &pi;&iota;&theta;&alpha;&nu;ό&tau;&eta;&tau;&alpha; &nu;&alpha; &pi;&rho;ό&kappa;&epsilon;&iota;&tau;&alpha;&iota; &gamma;&iota;&alpha; &epsilon;&gamma;&kappa;&upsilon;&mu;&omicron;&sigma;ύ&nu;&eta;; &Xi;έ&chi;&alpha;&sigma;&alpha; &nu;&alpha; &alpha;&nu;&alpha;&phi;έ&rho;&omega; &pi;&omega;&sigmaf; &alpha;&upsilon;&tau;ό &tau;&omicron;&nu; &mu;ή&nu;&alpha; ή&mu;&omicron;&upsilon;&nu; &lambda;ί&gamma;&omicron; &kappa;&rho;&upsilon;&omega;&mu;&epsilon;&nu;&eta; &kappa;&alpha;&iota; έ&chi;&omega; &pi;&omicron;&lambda;&upsilon;&kappa;&upsilon;&sigma;&tau;&iota;&kappa;&epsilon;&sigmaf;.