5) From past records, the owner of a fast-food restaurant knows that, on average 2.4 cars use the drive-through window between 3:00 PM and 3:15 PM. Furthermore, the number of such cars has a Poisson distribution. Determine the probability that, between 3:00 PM and 3:15 PM: A) Exactly two cars use the drive-through window. B) At least one car uses the drive-through window.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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5) From past records, the owner of a fast-food restaurant knows that, on average 2.4 cars use the
drive-through window between 3:00 PM and 3:15 PM. Furthermore, the number of such cars
has a Poisson distribution. Determine the probability that, between 3:00 PM and 3:15 PM:
A) Exactly two cars use the drive-through window.
B) At least one car uses the drive-through window.
Transcribed Image Text:5) From past records, the owner of a fast-food restaurant knows that, on average 2.4 cars use the drive-through window between 3:00 PM and 3:15 PM. Furthermore, the number of such cars has a Poisson distribution. Determine the probability that, between 3:00 PM and 3:15 PM: A) Exactly two cars use the drive-through window. B) At least one car uses the drive-through window.
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