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Mr. X invites 15 relatives to a party: his mother, three uncles, two aunts, four brothers, and five cousins. If the chances of any one guest arriving first are equally likely, find the following probabilities:

a. the first guest is an uncle or a cousin
b. the first guest is a brother or a cousin
c. the first guest is an uncle or her mother

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Solution Summary

The probability from a given situation is calculated. The probability of different party guests arriving are determined.

Solution Preview

Total No# of Relatives = 15

a) No of Uncles = 3
No of Cousins = 5

Probability = Number of success ...

Solution provided by:
  • BE, Bangalore University, India
  • MS, University of Wisconsin-Madison
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