Suppose that in your city 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 "independent." 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?