SOLUTION: A poll of 10 employees is taken in a small company to determine the number of employees that favor unionization. Suppose that 60% of employees prefer unionization. What is the pr

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Question 768263: A poll of 10 employees is taken in a small company to determine the number of employees that favor unionization. Suppose that 60% of employees prefer unionization. What is the probability that x is greater than 8?
Answer by reviewermath(1029) About Me  (Show Source):
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Q:
A poll of 10 employees is taken in a small company to determine the number of employees that favor unionization. Suppose that 60% of employees prefer unionization. What is the probability that x is greater than 8?
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A:
X~Binomial(10,0.6)
P(X > 8) = %28matrix%282%2C1%2C10%2C9%29%29%280.6%5E9%29%280.4%5E1%29 + %28matrix%282%2C1%2C10%2C10%29%29%280.6%5E10%29%280.4%5E0%29 = highlight%280.0463574%29