SOLUTION: The national passing rate for a drivers license is approximately 45%.what is the probability that, in a random group of 10 , exactly 7 people will pass? Round the percentage to the

SOLUTION: The national passing rate for a drivers license is approximately 45%.what is the probability that, in a random group of 10 , exactly 7 people will pass? Round the percentage to the

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Question 870712: The national passing rate for a drivers license is approximately 45%.what is the probability that, in a random group of 10 , exactly 7 people will pass? Round the percentage to the nearest whole number.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
p = .45, n = 10
P(x=7) = 10C7(.45)^7(.55)^3 = binompdf(10, .45, 7) = .0746 0r 7.46%
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