Discrete Random Variables

Published: February 4th, 2014

Category: Activity 5: Videos, Dr. Cantrell's Lectures

Transcript – All Parts – Discrete Random Variables

Discrete Random Variables – Part A (6:36)

  • Slides 1-5
    • Introduction to Probability Distribution for Discrete Random Variables
    • Keywords and Phrases
    • Expected Value = Mean or Average
    • Overview of Example A and Example B

Discrete Random Variables – Part B (9:24)

  • Slides 6-12
    • Example A – Logical Solution
      • P(None are Diabetic)
      • P(At least one is Diabetic)
      • Sample Space by Hand
      • Why Not Equally Likely (Check out Daily Show with Jon Stewart Clip)
      • Example A – Create Probability Distribution By Hand and Summarize
      • Graph of Probability Distribution

Discrete Random Variables – Part C (3:07)

  • Slides 12-14
    • Formulas for the Mean, Variance, and Standard Deviation of a General Discrete Random Variable
    • Finding the Mean, Variance, and Standard Deviation for Example A

Discrete Random Variables – Part D (3:33)

  • Slides 15-19
    • Example B by Hand
    • Example B – Distribution and Mean, Variance (and Standard Deviation) of a General Discrete Random Variable

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