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Quantitative Usability, Statistics & Six Sigma by Jeff Sauro



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There is an answer for this Question Suppose that in NY State, 35% of voters are Democrats, 30% are Republicans, and 11% are independent. You are conducting a poll by randomly calling registered voters. In your first four calls, what is the probability that you talk to: a)all Republicans? b)exactly 2 Republicans? c)no Independents? d)all Independents? e)at least one independent?4.29