4) The number of times a passenger train arrives on time in Polokwane follows a Poisson distribution. The train is known to arrive on time 7 times out of 10. If you observe the train 100 times in a week, what will be the mean value of on time arrivals for this train? A. 70 В. 10 С. 7 D. 0.7

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section: Chapter Questions
Problem 27T
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4) The number of times a passenger train arrives on time in Polokwane follows a Poisson
distribution. The train is known to arrive on time 7 times out of 10. If you observe the train
100 times in a week, what will be the mean value of on time arrivals for this train?
А. 70
В. 10
С. 7
D. 0.7
Transcribed Image Text:4) The number of times a passenger train arrives on time in Polokwane follows a Poisson distribution. The train is known to arrive on time 7 times out of 10. If you observe the train 100 times in a week, what will be the mean value of on time arrivals for this train? А. 70 В. 10 С. 7 D. 0.7
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