mpgleboski
mpgleboski
18.12.2020 • 
Mathematics

Assume that two ordered triplets are going to be formed INDEPENDENTLY one after another, using the available set of 7 items. Compute the probability that the first triplet contains a or b (or both) and the second triplet includes at most one of the a or d (neither or one of the given two). Explain your steps briefly, without any unnecessary details.

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