Cars arrive at a "Y" in a road and must choose either the left fork or the right fork. Assume that the number of cars that arrive at the fork has a Poisson distribution, the average number of cars that arrive at the "Y" per minute is 19, and a car arriving at the fork chooses the left fork with probability 8/19 and the right fork with probability 11/19. What is the exact formula for the Poisson distribution that gives the number of cars that travel down the right fork per minute? Your answer should be a function of k and should have an exponent of "e". Warning: to type a factorial like k! in this problem, you need to type "fact(k)." P(X = k) =

Cars arrive at a "Y" in a road and must choose either the left fork or the right fork. Assume that the number of cars that arrive at the fork has a Poisson distribution, the average number of cars that arrive at the "Y" per minute is 19, and a car arriving at the fork chooses the left fork with probability 8/19 and the right fork with probability 11/19. What is the exact formula for the Poisson distribution that gives the number of cars that travel down the right fork per minute? Your answer should be a function of k and should have an exponent of "e". Warning: to type a factorial like k! in this problem, you need to type "fact(k)." P(X = k) =

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Suppose you work in the personnel department of a firm that just finished training a group of its employees and you have been requested to review the performance of the trainees on their final examination. The mean and standard deviation of the test scores are 80 and 5. Additional information indicated that the median of the test scores was 75. What type of distribution most likely describes the shape of the test scores? Skewed left Symmetric O There is not enough information to answer this question. O Skewed right