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Dependent Probability Example 2 http://www.khanacademy.org/video/dependent-probability-example-2 -------------------------------- يتناول هذا الفيدو حل مسألة احتمالات مثال القطعة النقدية --------------------------------- شكر خاص لمؤسسة شركاء في التنمية المستدامة -- فلسطين http://psdpal.org