SOLUTION: If 60% of the voters in a large district prefers candidate A. What is the probability that in the sample of 12 voters exactly 7 will prefer A?

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Question 1144118: If 60% of the voters in a large district prefers candidate A. What is the probability that in the sample of 12 voters exactly 7 will prefer A?
Answer by ikleyn(52778) About Me  (Show Source):
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The probability  P = C%5B12%5D%5E7%2A0.6%5E7%2A%281-0.6%29%5E%2812-7%29 = %28%2812%2A11%2A10%2A9%2A8%29%2F%281%2A2%2A3%2A4%2A5%29%29%2A0.6%5E7%2A0.4%5E5 = 0.2270 = 22.70%.    ANSWER