Properties of Binomial Distribution What is a binomial distribution? A binomial distribution is a discrete probability distribution The discrete random variable follows a binomial distribution if i...
Discrete Random Variables What is a discrete random variable? A random variable is a variable whose value depends on the outcome of a random event The value of the random variable is not known unti...
Probability Formulae What is meant by probability formulae? If you have seen any of the other Revision Notes on probability, almost every one contains a formula These however are often disguised in...
Further Tree Diagrams What do you mean by further tree diagrams? The tree diagrams used here are no more complicated than those in the first Tree Diagrams revision note, however e.g. P(A') would b...
Further Venn Diagrams What do you mean by further Venn diagrams? The Venn diagrams used here are no more complicated than those in the first Venn Diagrams revision note, however Conditional probabi...
Set Notation What is set notation? How do I solve problems given in set notation? Worked Example Exam Tip Conditional Probability What is conditional probability? Worked Example The Venn diagram be...
Tree Diagrams What is a tree diagram? A tree diagram is used to show the (combined) outcomes of more than one event that happen one after the other help calculate probabilities when AND and/or OR’s...
Venn Diagrams What is a Venn diagram? A Venn diagram is a way to illustrate events from an experiment and are particularly useful when there is an overlap (or lack of) between possible outcomes A V...
Probability Basics What do I need to know about probability for AS and A level Mathematics? The language used in probability can be confusing so here are some definitions of commonly misunderstood ...
