5. A particularly long traffic light on your morning commute is green 20% of the time that you approach it. Assume that each morning represents an independent trial. a. Over 5 mornings, what is the probability that the light is green on exactly a day? b. Over 20 mornings, what is the probability that the light is green on exactly 2a days? c. Over 20 mornings, what is the probability that the light is green on more than 2a days? a=2

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A: Here, n = 8 and p = 0.7

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A: probability mass function of B.D is = f ( k ) = ( n  k ) p^k * ( 1- p) ^ n-kwhere       k = number…

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A: The probability that more than 400 cars will require service = P[X>400] = 1

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Q: Q2. Assume that 40% of the population are safe drivers, 25% are unsafe drivers, and the rest ar…

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