4. Suppose that in Osceola County 37% of the voters are registered as Democrats, 29% as Republicans, and 11% as members of other parties (Liberal, Right to Life, Green, etc.) Voters not aligned with any official party are termed as "Independent." (the rest of the percents will be this). You are conducting a poll by calling registered voters at random. In your first three calls, what is the probability you talk to a. All Republicans? b. No Democrats? c. At least one Independent