2006 ACJC P2 Q10
2006 ACJC P2 Q10
Prelims
Customers at a supermarket pay for their purchases either by cash or credit card. The probability of a randomly chosen customer paying by credit card is \(0.3\). Find the probability that, on a randomly chosen day, there are more than \(6\) customers among the first \(20\) customers who pay by credit card and the fifth customer is the second customer who does so.
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Answer:\(0.0598\) (3 s.f.)
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