Discuss the folloiwng in detail:
Suppose an unrelated 77 year old man, 76 year old woman, and 82 year old woman are selected from a community.
Q1. What is the probability that all three of these individuals have Alzheimer's disease?
Q2. What is the probability that at least one of the three people has Alzheimer's disease?
Q3. Suppose we know one of the three people has Alzheimer's disease, but we don't know which one. What is conditional probability that the affected person is a woman?
Prevalence of Alzheimer's disease (cases per 100 population)
|
Age Group
|
Males
|
Females
|
|
65-69
|
1.6
|
0.0
|
|
70-74
|
0.0
|
2.2
|
|
75-79
|
4.9
|
2.3
|
|
80-84
|
8.6
|
7.8
|
|
85 +
|
35.0
|
27.9
|