SOLUTION: According to a report released in 2013, the airport with the highest on-time arrival rate has a 85.5% on-time rate. Choose 4 arrivals at random and find the probability that at lea
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Question 1158033: According to a report released in 2013, the airport with the highest on-time arrival rate has a 85.5% on-time rate. Choose 4 arrivals at random and find the probability that at least 1 was not on time.
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
At least one was not on time means that the probability is 1-probability all were on time
That is 1-0.855^4=0.4656
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