A | B |

PERMUTATION | number of different possible SEQUENCES of r things taken from a sample of n things |

COMBINATION | number of different possible TEAMS of r people taken from a sample of n |

CLASSICAL | probability assuming equal likelihood of alternatives (a priori) |

EMPIRICAL | probability based upon past observations (a posteriori) |

SUBJECTIVE | probability based upon an individual's guesses |

0.00 | probability representing that something is impossible |

1.00 | probability representing that an event is certain |

COMPLEMENT | probability of an event not occurring |

CONDITIONAL | probability of an event, given that another event has occurred |

JOINT | probability of two events BOTH occurring |

CONTINGENCY TABLE | shows cross tabulation of two different variables |

VENN DIAGRAM | shows overlap of different possibilities |

TREE DIAGRAM | shows different possible contingent probabilities (Bayesian) |

ADDITION RULE | formula for EITHER of two events occurring |

EVENT | a particular outcome of a trial |

PROBABILITY | the likelihood of an event occurring |