Suppose that in your city 30% of the voters are registered as Democrats, 29% as

Question

Suppose that in your city 30% of the voters are registered as Democrats, 29% as Republicans and 11% as members of other parties 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 that you talk to a) all Republicans? b) no Democrats? c) at least one Independent? a) The probability of calling all Republicans is (Round to three decimal places as needed) b) The probability of calling no Democrats is (Round to three decimal places as needed.) c) The probability of calling at least one Independent is (Round to three decimal places as needed)

Explanation / Answer

P(Democrat)=0.3

P(Republican)=0.29

P(Other)=0.11

P(independent)=0.3

a) 0.29

b) 1-0.3=0.7

c) 1-0.3-0.29-0.11=0.3

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