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MATH 147 Exam III
Date: Monday April 16, 2007
Time: 12:00 - 1:00
Place: Lecture Hall 1
General Information
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Chapters 15- 20
l Closed
Book
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1 3x5 card with notes
Size will be enforced
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Calculator Needed
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Tables will be provided
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Sample Exams on Class Website
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Exam will be timed
Review
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Material in Textbook
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Old Quizzes
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Problem Assignments
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Review Problems
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Vocabulary
Chapter 15
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Rearrangement of Red and Green marbles.
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Binomial formula
» chance
that an event will occur exactly k out of n times
Chapter 16
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Law of averages
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Sum of the Draws
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Box Models
Chapter 17
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Expected Value
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The Standard Error
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Using the Normal Curve
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Classifying and counting
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Short Cut method
Chapter 18
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Probability Histograms
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Probability Histograms and the Normal curve
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The Normal Approximation
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Probability of exactly k successes
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Probability of between a and b successes
Chapter 19
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The Literary Digest Poll
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Quota Sampling
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Using Chance in survey work
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Bias
» Selection
Bias
» Non
Response
» Response
Bias
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Chance Error
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Estimate = parameter + bias + chance error
Chapter 20
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Percentages
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Standard Error for percentages
»
Gets smaller
as the sample size increases
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Correction factor
» Sampling
without replacement
» Sample
is large re the population
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