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.

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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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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Concept explainers

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.

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Question

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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