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P(x) is greater than or equal to 0 and less than or equal to 1, for all x, and the sum off all x must be equal to 1 | Discrete probability distributions must satisfy: |

Probability densities | What does the y axis in a continuous distribution represent? |

Theoretical mean of the random variable | Expected value? |

The sample mean, not population mean | What does x bar mean? |

The population mean (EXPECTATION), not sample mean | What does mew mean? |

Square root of variance | How to find standard deviation? |

If n is large and p is small, and np stays constant | When does a Binomial Distribution tend toward a Poisson distribution? |

Hypergeometric | Which distribution is the Binomial distribution a good approximater of? |