M-W 5:45P-7:30P NAME 1. An automatic camera records the number of cars uning a r
ID: 2931396 • Letter: M
Question
M-W 5:45P-7:30P NAME 1. An automatic camera records the number of cars uning a red light at an intersection. Analysis of the data shows that, on average 15% of the light changes record a car running a red light. Assume the data has a binomial distribution. What is the probability that in 20 light changes there will be exactly 3 cars running a red light? 2. Inland Revenue Services, Inc. audits 5% of all companies every year. The companies selected for auditing in any one year are independent of the previous year's selection a. What is the probability that Ross Waste Disposal will be selected for auditing exactly twice (2 times) in the next 5 years? The probability that a driver must stop at any one traffic light on the way to University of Toledo is 0.2. There are 15 sets of traffic lights on the journey. 3. What is the probability that the student must stop at exactly 2 of the 15 sets of traffic lights? What is the probability that the student will be stopped at 3 or more of the 15 sets of traffic lights? What is the probability that the student will not be stopped at all? a. b. c.Explanation / Answer
n=20
X=3
P= Binomial Probability: P(X = 3) = 0.2428
PS: We are directed to solve only 1st question if multiple questions are posted
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