If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content
Events and Outcomes 2 http://www.khanacademy.org/video?v=vB4FuGmfEGY -------------------------------------- يتناول هذا الفيدو مسألة احتمالات ------------------------------------------ شكر خاص لمؤسسة شركاء في التنمية المستدامة -- فلسطين http://psdpal.org