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ما هي احتمالات سحب كرتين متتاليتين بدون إحلال من صندوق يحتوي على 3 كرات بيضاء و 5 كرات سوداء و 2 كرات برتقالية؟
Mathematics
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لحساب الاحتمالات المطلوبة، نبدأ بتحديد العدد الإجمالي للكرات وطرق السحب.
لدينا صندوق يحتوي على:
- 3 كرات بيضاء (B)
- 5 كرات سوداء (N)
- 2 كرات برتقالية (O) العدد الإجمالي للكرات هو كرات. نسحب كرتين متتاليتين وبدون إحلال.
الجزء الأول: حساب احتمالات الأحداث A و B و و .
**الخطوة 1: حساب عدد النتائج الممكن
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