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June 28, 2020, 12:29 a.m.
In a survey of political preference, 78% of those asked were in favor of at least one of the proposals: I, II and III. what percentage of those asked favored more than one of the 3 proposals.

In a survey of political preference, 78% of those asked were in favor of at least one of the proposals: I, II and III. 50% of those asked favored proposal I, 30% favored proposal II, and 20% favored proposal III. If 5% of those asked favored all three of the proposals, what percentage of those asked favored more than one of the 3 proposals.

  1. 10
  2. 12
  3. 17
  4. 22
quant
set-theory
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