AS Stats Chapter 6 Statistical Distributions

6 flashcards · Mathematics · by TheoTyson

  1. What is a random variable?

    A variable whose value depends on the outcome of a random event.

  2. What is a probability mass function?

  3. What is a probability distribution table?

  4. What is a probability distribution diagram?

  5. What is a discrete uniform distribution?

    When the probability of all of th outcomes is equal.

  6. What are the criteria for modelling a variable with a binomial distribution?

    Fixed number of trials. Two possible outcomes. Fixed probability of success. Trials are independent of each other.