The population consists of healthy, ill and hospitalized people. A hea

Schwelliney

Schwelliney

Answered question

2021-11-17

The population consists of healthy, ill and hospitalized people. A healthy person remains helthy with probability 0.7 or becomes ill with probability 0.3. An ill person recovers with probability 0.6 or becomes hospitalized with probability 0.4. A hospitalized person may recover with probability 0.5 or remain hospitalized with probability 0.5. Find the number of healthy, ill and hospitalized people after a long run of the illness assuming that initially the number of healthy, ill and hospitalized people is:
A) vA=Healthy, ill, hospitalized=h, i, o =50, 25, 12
B) vB=Healthy, ill, hospitalized=h, i, o=87, 0, 0

Answer & Explanation

Sharolyn Larson

Sharolyn Larson

Beginner2021-11-18Added 12 answers

Introduction:
Given:
Healthy person:
probability of remains healthy =0.7
probability of become ill =0.3
Ill person:
Probability of recovery =0.6
Probability of become hospitalized =0.4
Hospitalized person:
Probability of recovery =0.5
Probability of become hospitalized =0.5
Initial number of healthy, ill, hospitalized people is:
A) vA=Healthy, ill, hospitalized=h, i, o =50, 25, 12
B) vB=Healthy, ill, hospitalized=h, i, o=87, 0, 0
Calculation:
A) vA=Healthy, ill, hospitalized=h, i, o =50, 25, 12
Probability of healthy people becomes ill
P=nHealthy people becomes ill)nHealthy people)
0.3=n(H1)50
n(H1)=15
So, 5015=35
Probability of Ill people become hospitalized =0.4
P=n(ill people becomes hospitalized)n(ill people)
0.4=n(II)25
n(II)=10
So, 2510=15
Probability of Hospitalized people become hospitalized =0.5
P=n(Hospitalized people becomes hospitalized)n(Ho spitalized people)
0.5=n(Oi)12
n(OI)=6
So, 126=6
Number of healthy, ill, hospitalized people after long run of illness =35+15+6=56
B) vB=Healthy, ill, Hospitalized=h, i, o=87, 0, 0
Probability of healthy people becomes ill
P=n(Healthy people becomes ill)n(Healthy people)
0.3=n(HI)80
n(HI)=24
So, 8024=56
Number of healthy, ill, hospitalized people after long run of illness =56
Therefore,
A) Number of healthy, ill, hospitalized people after long run of illness =56
B) Number of healthy, ill, hospitalized people after long run of illness =56

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