Question 1151804
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The probability that the speed of NO ONE of 5 random cars is more than 70 mph is


    P = {{{(1-0.04)^5}}} = {{{0.096^5}}} = 0.815373.


The probability that at least one of 5 randomly selected care has the speed more than 70 mph is the COMPLEMENT to it


    P' = 1 - P = 1 - 0.815373 = 0.184627.     <U>ANSWER</U>
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