{"id":1915,"date":"2009-05-26T20:32:05","date_gmt":"2009-05-26T18:32:05","guid":{"rendered":"http:\/\/stevinho.justnetwork.eu\/?p=1915"},"modified":"2009-05-26T20:32:05","modified_gmt":"2009-05-26T18:32:05","slug":"taschenrechner-hilfe","status":"publish","type":"post","link":"https:\/\/stevinho.justnetwork.eu\/2009\/05\/26\/taschenrechner-hilfe\/","title":{"rendered":"Taschenrechner-Hilfe"},"content":{"rendered":"<p>Folgendes Problem: Ich gebe einem Sch\u00fcler Nachhilfe in Mathe zum Thema Wahrscheinlichkeitsrechnung. Problem ist, dass es bei mir fast 15 Jahre her ist und sich die Technik &#8222;leicht&#8220; ver\u00e4ndert hat. Hat zuf\u00e4llig irgendwer da drau\u00dfen einen <strong>Texas Instruments 89 (TI-89)<\/strong> und wei\u00df, wie man dar\u00fcber folgende Aufgabe rechnet, bzw. in den Taschenrechner eingibt (ich finde n\u00e4mlich weder die nCr-\u00a0 noch die bin-Taste)?<\/p>\n<p>Aufgabe: W\u00fcrfel 1-6, sieben W\u00fcrfe (Laplace)<\/p>\n<p>Zufallsgr\u00f6\u00dfe X: Anzahl der gew\u00fcrfelten Einsen (bei sieben W\u00fcrfen)<\/p>\n<p>Fall a: Es wird genau vier Mal die 1 gew\u00fcrfelt (B7; 1\/6;x); Fall b: Es wird genau zweimal oder f\u00fcnf Mal die 1 gew\u00fcrfelt (B7; 5\/6; x)<\/p>\n<p>Danke f\u00fcr Eure Hilfe!<\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>Folgendes Problem: Ich gebe einem Sch\u00fcler Nachhilfe in Mathe zum Thema Wahrscheinlichkeitsrechnung. Problem ist, dass es bei mir fast 15 Jahre her ist und sich die Technik &#8222;leicht&#8220; ver\u00e4ndert hat. 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