Asked by ART
A TRAFFIC LIGHT IS RED FOR 38 SECONDS YELLOW FOR 10 SECONDS AND GREEN FOR ONE MINUTE AND TWELVE SEONDS. IN A CONSTANTLY REPEATING CYCLE, WHAT IS THE PROBABILITY THAT AT THE MOMENT A PASSING PEDESTRIAN GLANCES AT IT, THE LIGHT WILL BE GREEN
Answers
Answered by
Heather
Well, the light is green for a total of 72 seconds. There are 120 seconds in one complete cycle. You want to know the probability that it will be green, so you take the number of green seconds divided by the total number of seconds. 72/120= 3/5
the probability is 3/5
the probability is 3/5
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