SOCR EduMaterials Activities Discrete Distributions

This is an activity to explore the Negaive Binomial Probability Distribution.

• Description: You can access the applets for the above distributions at http://www.socr.ucla.edu/htmls/SOCR_Distributions.html .

• Exercise 1: Use SOCR to graph and print the following distributions and comment on the shape of each one of them:
  • a. \( X \) follows negative binomial with \( r=5, \ p=0.2 \).
  • b. \( X \) follows negative binomial with \( r=5, \ p=0.9 \).
  • c. \( X \) follows negative binomial with \( r=20, \ p=0.3 \).
  • d. \( X \) follows negative binomial with \( r=20, \ p=0.9 \).

• Exercise 2: Let \( X <\math> follows the negative binomial distribution with <math> r=5, \ p=0.2 <\math>. Explain in words what <math> P(X > 10) <\math> means and use SOCR to compute this probability. Below you can see the distribution of <math> X \sim b(20,0.3) \)

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• SOCR Home page: http://www.socr.ucla.edu

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