marcelonava2005 marcelonava2005

11-10-2022
Mathematics

Answered

A class contains 12 students who study Geography(G), 11 students who study History(H) and 10 students who study Economics(E). If no student studies more than one of these subjects, what is the probability that three students chosen at random all study History? Give your answer as a decimal correct to three significant figures.

Is the answer 3/33 or 1/3 * 1/3 *1/3 (11/33 = 1/3)

Answer :

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