While driving, a motorist keeps track of both the number of traffic lights he encounters and the number ar which he is stopped. One week , he encounters 68 traffic lights and is stopped at 18 of them.
What is the probability he is stopped by the lights ? Probability as a decimal and a percent.
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Expert's answer
2011-06-15T07:17:33-0400
Probability is equal to the following ratio& P=18/68=0.26=26%
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