1. exactly 5 people arrive in a given hour. 2. at least 2 people arrive in a given 20-minute period.
1. exactly 5 people arrive in a given hour. 2. at least 2 people arrive in a given 20-minute period.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 31E
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Question
The supervisor at a covid-19 testing station notices that people arrive at the testing station at an average rate of 9 people per hour. Assuming a Poisson distribution determine the probability that:
1. exactly 5 people arrive in a given hour.
2. at least 2 people arrive in a given 20-minute period.
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