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Stats Professor Exam 5
1. Below is a probability for the number of free throw attempts made by a NBA star out of 6 attempts:
X 
P(X) 
0 
0.000 
1 
0.000 
2 
0.002 
3 
0.019 
4 
0.114 
5 
0.369 
6 
0.497 
What is the probability he makes 5 or more of his attempts?
8. The table below shows the incidence of heart disease among people who engage in different levels of alcohol consumption:
Less than 7 drinks per week 
7 drinks per week 
More than 7 drinks pw 
totals 

Heart Disease 
21 
15 
32 
68 
No Heart Disease 
119 
125 
115 
359 
totals 
140 
140 
147 
427 
Find the probability that one randomly selected subject has heart disease or drinks less than 7 drinks per week.
16. The table below shows the incidence of heart disease among people who engage in different levels of alcohol consumption:
Less than 7 drinks per week 
7 drinks per week 
More than 7 drinks pw 
totals 

Heart Disease 
21 
15 
32 
68 
No Heart Disease 
119 
125 
115 
359 
totals 
140 
140 
147 
427 
Find the probability that one randomly selected subject has heart disease given that they drink more than 7 drinks per week.