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Course Documents
Chapter 1 - Intro
Chapter 2 - Methods for Describing Sets of Data
Chapter 3 - Probability
Chapter 4 - Discrete Random Variables
Chapter 5 - Normal Random Variables
Chapter 6 - Sampling Distributions
Chapter 7 - Confidence Intervals
Chapter 8 - Tests of Hypothesis: One Sample
Chapter 9 - Confidence Intervals and Hypothesis Tests: Two Samples
Sample Exam I: Chapters 1 & 2
Sample Exam II: Chapters 3 & 4
Sample Exam III: Chapters 5 & 6
Sample Exam IV: Chapters 7 & 8
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.