Suppose the number of admissions to the emergency room at a small hospital follows a Poisson distribution but the incidence rate changes on different days of the week. On a weekday there are on average two admissions per day, while on a weekend day there is on average one admission per day.

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Chapter1: Combinatorial Analysis
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1:29 PM O O A 1.
* ll alll a 52
intProblemRandomVaria.16-8965-6086445152a0
expect ine cumuiative incidence ol Diinaness to De TO%0
among 30-year-old IDDM females, if the incidence rate
remains constant over time?
4.63 What does cumulative incidence mean, in words,
in the context of this problem?
Problem 2: Hospital Epidemiology
Suppose the number of admissions to the emergency room
at a small hospital follows a Poisson distribution but the incidence
rate changes on different days of the week. On a weekday there
are on average two admissions per day, while on a weekend day
there is on average one admission per day.
4.89 What is the probability of at least one
admission on a Wednesday?
4.90 What is the probability of at least one
admission on a Saturday?
4.91 What is the probability of having 0, 1, and
2+ admissions for an entire week, if the results
for different days during the week are assumed
to be independent?
Transcribed Image Text:1:29 PM O O A 1. * ll alll a 52 intProblemRandomVaria.16-8965-6086445152a0 expect ine cumuiative incidence ol Diinaness to De TO%0 among 30-year-old IDDM females, if the incidence rate remains constant over time? 4.63 What does cumulative incidence mean, in words, in the context of this problem? Problem 2: Hospital Epidemiology Suppose the number of admissions to the emergency room at a small hospital follows a Poisson distribution but the incidence rate changes on different days of the week. On a weekday there are on average two admissions per day, while on a weekend day there is on average one admission per day. 4.89 What is the probability of at least one admission on a Wednesday? 4.90 What is the probability of at least one admission on a Saturday? 4.91 What is the probability of having 0, 1, and 2+ admissions for an entire week, if the results for different days during the week are assumed to be independent?
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