Mathematics, 03.12.2021 04:20, cutboymon

In a group of 72 students; 27 are normal; 13 are abnormal, and32 are normal abnormal. Find the probability that a student picked from this group at random is either normal or abnormal?

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In a group of 72 students; 27 are normal; 13 are abnormal, and32 are normal abnormal. Find the proba...

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