SOLUTION: If 40% of voters are Democrats, what is the chance that a random sample of 500 voters will include more than 45% Democrats?

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Question 910871: If 40% of voters are Democrats, what is the chance that a random sample of 500 voters will include more than 45% Democrats?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
m = .40, n = 500, s = sqrt(.4*.6/500) = .02
P(x > .45) = normalcdf(.45,100, .40, .02)