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Probability and Statistics
Lesson 18
Prediction and Inference
  Objectives/Vocab/Tips > Examples 1 | 2 > Practice: 1 | 2 | 3 > Reflection

Practice 2:

In a bag of marbles, 1 out of every 3 marbles is green. Other colors are blue, red, yellow, and orange.

  • In a sample of 33 marbles, how many of the green marbles would you expect to find?
  1. 6
  2. 9
  3. 11
  4. 15

 

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