رد: سؤال بالاحصاء
شكراً اخوي Abdullah94 يعطيك العافيه والله يوفقك ويرزقك كل خير
طيب هذا السؤال
A box contains 20 red balls and 22 black balls. 10 balls are selected with replacement. The standard
deviation of the number of red balls that will be obtained is ...
A) 1.579 B) 1.505 C) 1.563 D) 1.576
الاجابه A
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