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
Independent Events 2 http://www.khanacademy.org/video/independent-events-2 ------------------------------------------------- يتناول هذا الفيديو مسألة احتمالات تضمن احداث مستقلة ------------------------------------------------ شكر خاص لمؤسسة شركاء في التنمية المستدامة -- فلسطين http://psdpal.org