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13th Edition

Anderson

Publisher: CENGAGE L

ISBN: 9781305881884

Chapter 5.3, Problem 16E

Textbook Problem

The following table provides a probability distribution for the random variable *y*.

y |
f (y) |

2 | .20 |

4 | .30 |

7 | .40 |

8 | .10 |

- a. Compute
*E*(*y*). - b. Compute
*Var*(*y*) and*σ*.

STATISTICS F/BUSINESS+ECONOMICS-TEXT

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