Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size Small Size show me how

Normal Size Small Size show me how

# Probability

### Experimental Probability

Term | Definition |
---|---|

Certain | Will always happen. |

Compound Events | An event made up of two or more simple events. |

Dependent Event | An event which does affect the outcome of another event. |

Equally likely outcome | Outcomes for an event that have the same chance of occurring. |

Even Chance | Equal chance of occurring or not occurring. |

Event | One outcome or a collection of outcomes in the sample space of an experiment. |

Experiment | An activity or process where the result is unknown. |

Impossible | Will never happen. |

Independent Event | An event which does not affect the outcome of another event. |

Outcome | A result of an experiment. |

Probability | The calculated chance of something happening. |

Random | To choose so that the outcome is likely to happen. |

Relative frequency | The frequency of an event divided by the total number of frequencies. |

Sample Space | The list of possible outcomes. |

Theoretical Probability | The probability of an event that is determined by considering the possible outcomes. |

Tree Diagram | A diagram that uses branches to illustrate all possible outcomes of an experiment. |

Two Way Table | A table that presents data in rows and columns. |

Venn Diagram | A diagram for representing sets. |

Very Likely | Will usually happen. |

Very Unlikely | Usually won't happen. |

theoretical probability | ratio of the number of ways in which an event can occur to the total number of equally likely outcomes |

experimental probability | ratio of the number of times the event occurs to the number of trials |

You flip a coin 100 times and it lands on heads 53 times. Probability for flipping heads. | 53/100 |

You flip a coin 100 times and it lands on heads 53 times. Probability for NOT flipping heads. | 47/100 |

You flip a coin 100 times and it lands on heads 53 times. Probability for flipping tails. | 47/100 |

You flip a coin 100 times and it lands on heads 53 times. Probability for NOT flipping tails. | 53/100 |

You have a group of 2 baseballs and 6 footballs. Probability for selecting a football. | 3/4 |

You have a group of 2 baseballs and 6 footballs. Probability for selecting a baseball. | 1/4 |

Created by:
garfieldwhitebooi