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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

20.  After analyzing several large samples from the population of Quality Cola “12 oz” cans, company researchers have concluded that the distribution of actual soda can volumes is mound shaped and symmetric.  The cans appear to have an average volume of 11.8 ounces and a standard deviation of 0.72 ounces.  Give an interval of volumes that will contain approximately 95% of the population of Quality Cola cans. 

 



 

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