# Probability

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

https://brainmass.com/math/probability/calculating-probability-situation-4306

#### Solution Preview

Total No# of Relatives = 15

a) No of Uncles = 3

No of Cousins = 5

Probability = Number of success ...

#### Solution Summary

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

$2.19