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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
9.9 Inference Procedures to Compare Two Population Proportions: Independent Sampling
In 2007, researchers looked at 15,024 deaths of US citizens overseas. In the study, it was found that 13% of those deaths were injury related. In the same year 121,599 deaths in the US mainland were due to injuries out of a total of 2,423,995 deaths. At the 2.5% significance level test the claim that the proportion of deaths of US citizens living in the mainland due to injury is less than the proportion of injury related deaths of US citizens abroad.
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