Mathematics, 26.12.2019 19:31, auty2925

In a batch of 100 parts, 40 are red, 50 are l-shaped and 22 are both red and l-shaped. what is probability that a part picked from this batch at random is either red or l-shaped

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In a batch of 100 parts, 40 are red, 50 are l-shaped and 22 are both red and l-shaped. what is proba...