Learning Objectives

  • Explain the relationship between proportions and probabilities.
  • Explain the differences between theoretical predictions and empirical outcomes.
  • Define the binomial distribution and the normal distribution and explain the types of data for which each one is used.
  • Construct the binomial distribution using the binomial coefficient for a given probability and sample size.
  • Explain and diagram out the relationship among raw scores, z scores, and areas.
  • Use the z-score formula and z table to calculate unknown raw scores, z scores, and areas.