A particularly long traffic light on your morning commute is green 40% of the time that...
A particularly long traffic light on your morning commute is green 40% of the time that you approach it. Assume that each morning represents an independent trial. Let denote the number of mornings the light is green.
a) Over 10 mornings, what is the probability that the light is green on exactly 4 days? Round your answer to three decimal places (e.g. 98.765)
b) Over 20 mornings, what is the probability that the light is green on exactly 8 days? Round your answer to three decimal places (e.g. 98.765).
c) Over 20 mornings, what is the probability that the light is green on more than 8 days? Round your answer to three decimal places (e.g. 98.765).
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A particularly long traffic light on your morning commute is
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During the morning commute to work, a person has to cross 20 traffic lights. if the...
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1. In a particularly long traffic light on your morning commute is green 30% of the time that you approach it. Assume that each morning represents an independent trial. What is the probability that the first morning that the light is not green is the sixth morning that you approach it?
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