Discrete Random Variables

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

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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

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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

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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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