probability

• what is probability

  mathematical study to minimise ambiguity
• what are the outcomes, explain them

  random, specific eg 1 number

  sample, all numbers

  event, subset eg odd or even
• types of probability

  objective, repeats for empirical evidence

  subjective, single incident, no empirical evidence
• data types

  discrete, countable nominal and ordinal

  continuous
• collectively exhaustive

  all events eg all numbers considered
• mutually exclusive

  can’t occur simultaneously, either one or the other
• complimentary

  always mutually exclusive or collectively exhaustive
• visuals

  venn

  tree