Joestat wants you to calculate the probability that Bob favorite drink is Diet and Pepsi? This is also known as an intersection between diet and Pepsi.

Results from the Favorite Beverage Survey from Bob’s Class |
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Pepsi | Coke | Other | |

Diet | 35 | 30 | 25 |

Regular | 40 | 50 | 20 |

Solution:

First, add totals to the table:

Results from the Favorite Beverage Survey from Bob’s Class |
||||

Pepsi | Coke | Other | Total | |

Diet | 35 | 30 | 25 | 90 |

Regular | 40 | 50 | 20 | 110 |

Total | 75 | 80 | 45 | 200 |

Second, use the Probability Intersection Formula:

P(A and B)

P(Pepsi and Diet)

| [ 3 ] | [ 5 ] | [ / ] | [ 2 ] | [ 0 ] | [ 0] | [Enter] |

###### Congratulations, you have successfully completed the Probability Intersection TI-84 | TI-83 example problem.

Last Modified on September 7, 2013 by

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