Mathematics, 18.03.2021 02:30 lavorisjonesjr1

Three groups of three people are to be selected from time people, of whom three are man teachers, two lady teachers and parents. Find the probability that i) the two lady teachers being in the same group.
ii) one group consists of at least two of the man teachers.

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Three groups of three people are to be selected from time people, of whom three are man teachers, tw...