A survey found that 0.07% of the people in a city are infected by the COVID virus. If we randomly select 3100 people, using Poisson distribution -) Find the probability that (a) at most 3 people are infected by the virus. ; Find the variance of the (b) number of people infected by the virus.
A survey found that 0.07% of the people in a city are infected by the COVID virus. If we randomly select 3100 people, using Poisson distribution -) Find the probability that (a) at most 3 people are infected by the virus. ; Find the variance of the (b) number of people infected by the virus.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 32E
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![A survey found that 0.07% of the people in
a city are infected by the COVID virus. If we
randomly select 3100 people, using Poisson
distribution
(a)
-) Find the probability that
at most 3 people are infected by the virus.
; Find the variance of the
(b)
number of people infected by the virus.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F42ad29bb-ae7b-4d48-a6a0-4d0b22b9e5d7%2Fd2314956-bd92-4901-9aac-50c4ef4b5f02%2F5gpfibt_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A survey found that 0.07% of the people in
a city are infected by the COVID virus. If we
randomly select 3100 people, using Poisson
distribution
(a)
-) Find the probability that
at most 3 people are infected by the virus.
; Find the variance of the
(b)
number of people infected by the virus.
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