Unit 4 · Probability

Chapter 4.4

Which Idea Opens It? Counting and Probability

Counting problems rarely announce which method they need, and the wrong method can take ten times as long.

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By the end

  1. 01Name the counting or probability idea that opens each problem from its wording
  2. 02Set up each problem in a few lines before computing

In unit 4

  1. 4.1Fix the Sample Space First
  2. 4.2Probability One Step at a Time
  3. 4.3Geometric Probability and Expected Value
  4. 4.4Which Idea Opens It? Counting and Probability
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