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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

Example 113

Example 113: A nationwide poll of nearly 1,500 people conducted by the syndicated cable television show Dateline: USA found that 70 percent of those surveyed believe there is intelligent life outside of Earth in the universe, perhaps even in our own Milky Way Galaxy. What proportion of the entire population agrees, at the 95% confidence level?

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