Probability For Dummies
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If you're going to take a probability exam, you can better your chances of acing the test by studying the following topics. They have a high probability of being on the exam.

  • The relationship between mutually exclusive and independent events

  • Identifying when a probability is a conditional probability in a word problem

  • Probability concepts that go against your intuition

  • Marginal, conditional, and joint probabilities for a two-way table

  • The Central Limit Theorem:

  • When to use a permutation and when to use a combination

  • Finding E(X) from scratch and interpreting it

  • Sampling with replacement versus without replacement

  • The Law of Total Probability and Bayes' Theorem

  • When the Poisson and exponential are needed in the same problem

About This Article

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About the book author:

Deborah Rumsey has a PhD in Statistics from The Ohio State University (1993). Upon graduating, she joined the faculty in the Department of Statistics at Kansas State University, where she won the distinguished Presidential Teaching Award and earned tenure and promotion in 1998. In 2000, she returned to Ohio State and is now a Statistics Education Specialist/Auxiliary Faculty Member for the Department of Statistics. Dr. Rumsey has served on the American Statistical Association’s Statistics Education Executive Committee and is the Editor of the Teaching Bits section of the Journal of Statistics Education. She’s the author of the books Statistics For Dummies and Statistics Workbook For Dummies (Wiley). She also has published many papers and given many professional presentations on the subject of Statistics Education. Her particular research interests are curriculum materials development, teacher training and support, and immersive learning environments. Her passions, besides teaching, include her family, fishing, bird watching, driving a new Kubota tractor on the family “farm,” and Ohio State Buckeye football (not necessarily in that order).

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