A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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Concept explainers

Permutations and Combinations
If there are 5 dishes, they can be relished in any order at a time. In permutation, it should be in a particular order. In combination, the order does not matter. Take 3 letters a, b, and c. The possible ways of pairing any two letters are ab, bc, ac, ba…
Counting Theory
The fundamental counting principle is a rule that is used to count the total number of possible outcomes in a given situation.
Topic Video
Question

There are 10c first tier national rugby union teams Argentina, AUstrallia, England France,Ireland, Italy, New Zealand, Scotland, south Africa, and wales. 

 

A. How many diffrent two team pairings are possible among these 10 teams? 

B. How many diffrent ways are there to select a first  second and third ranked team form these 10 teams? 

c. Suppose four teams will gather in Auckland, and other six teams will gather in Melbourne. How many ways can this be done? 

 

d. Suppose five teams will gather in Sydney, and the other five teams will gather in Wellington. How many ways can this be done? 

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