a man drives to work along a route with one traffic light. He drives on a major road, so the light is green three times as long as it is red: specifically, it is green for 45 seconds and red for 15 seconds(ignore yellow). Assume he approaches the light at a random time.(adsbygoogle = window.adsbygoogle || []).push({});

A) Find the probability of his having to stop at the light

Answer .25

B) Find his expected delay time due to the light

Answer 1.875s

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# Find the probability of his having to stop at the light Answer

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