BetterMath Notes & resources Chapter 12

Chapter 12 · Probability Distributions

Discrete and continuous random variables, expected value and variance, the binomial and normal distributions, standardisation and the inverse normal.

43 pages · Statistics & Probability · syllabus 4.7–4.9, 4.12, 4.14

Open Chapter 12 (PDF)Answers are in the complete bookPDF, 248 KB, opens in your browser to read, download or print

Practice worksheets

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  • 12.1Discrete Random Variables19 questions · 2 pp
  • 12.2Expected Value and Variance21 questions · 2 pp
  • 12.3The Binomial Distribution19 questions · 2 pp
  • 12.4Continuous Random Variables34 questions · 4 pp
  • 12.5The Normal Distribution35 questions · 4 pp
  • 12.6Standardisation and the Inverse Normal36 questions · 4 pp
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