Use the given information to complete a Venn diagram, then determine: a) how many students have seen exactly one of these movies, and b) how many had seen only Star Wars.
18 had seen The Matrix (M)
24 had seen Star Wars (SW)
20 had seen Lord of the Rings (LotR)
10 had seen M and SW
14 had seen LotR and SW
12 had seen M and LotR
6 had seen all three
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