## Answers

Given

Football | No football | Total | |

Basketball | 31 | 12 | 43 |

No basketball | 36 | 21 | 57 |

Total | 67 | 33 | 100 |

To find the probability that a person likes to watch football,given that she also likes to watch basketball.

Using

From the above table

The probability that a person likes to watch football, given that she also likes to watch basketball is 0.721. ￼

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P(football n basketball) = 31/100

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