document.write( "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. \n" ); document.write( "
Algebra.Com's Answer #780957 by Boreal(15235)\"\" \"About 
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At least one was not on time means that the probability is 1-probability all were on time
\n" ); document.write( "That is 1-0.855^4=0.4656
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