[صبر بلاحدود]

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Approximately 9% of men have a type of color blindness that
prevents them from distinguishing between red and green. If 3 men
are selected at random, find the probability that all of them will have
this type of red-green color blindness

ميين يشرح لي هذا الشي؟؟؟؟؟؟؟؟؟؟