A recent 10-year study conducted by a research team at the Medical School was co
ID: 2934059 • Letter: A
Question
A recent 10-year study conducted by a research team at the Medical School was conducted to assess how age, blood pressure, and smoking relate to the risk of strokes. Assume that the following data are from a portion of this study. Risk is interpreted as the probability (times 100) that the patient will have a stroke over the next 10-year period. For the smoking variable, define a dummy variable with 1 indicating a smoker and 0 indicating a nonsmoker.
Risk
Age
Blood
Pressure
Smoker
12
57
152
No
24
67
163
No
13
58
155
No
56
86
177
Yes
28
59
196
No
51
76
189
Yes
18
56
155
Yes
31
78
120
No
37
80
135
Yes
15
78
98
No
22
71
152
No
36
70
173
Yes
15
67
135
Yes
48
77
209
Yes
15
60
199
No
36
82
119
Yes
8
66
166
No
34
80
125
Yes
3
62
117
No
37
59
207
Yes
)
What is the probability of a stroke over the next 10 years for Art Speen, a 69-year-old smoker who has a blood pressure of 173?
If required, round your answer to two decimal places.
Risk
Age
Blood
Pressure
Smoker
12
57
152
No
24
67
163
No
13
58
155
No
56
86
177
Yes
28
59
196
No
51
76
189
Yes
18
56
155
Yes
31
78
120
No
37
80
135
Yes
15
78
98
No
22
71
152
No
36
70
173
Yes
15
67
135
Yes
48
77
209
Yes
15
60
199
No
36
82
119
Yes
8
66
166
No
34
80
125
Yes
3
62
117
No
37
59
207
Yes
Explanation / Answer
As, obtained from the data, the probability of a stroke over the
next 10 years for a 69 year old smoker who has a blood
pressure of 173 is = 36/100 = 0.36. (Ans).
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