Mathematics: Analysis and Approaches · Topic 4: Statistics and probability

SL4.9 — The normal distribution

Mathematics: Analysis and Approaches · SL / HL · syllabus-mapped notes

1. The normal distribution and its properties

   The bell curve, notation X ~ N(mu, sigma^2), and the 68-95-99.7 rule.

2. Normal probability calculations

   Finding probabilities and proportions using technology.

3. Inverse normal calculations

   Finding a data value from a given probability, with mean and standard deviation given.