Concept explainers
Calculate number of possible ways a five runners can complete first, second or third position.
Answer to Problem 34SGR
There are 60 possible ways a five runners can complete first, second or third position.
Explanation of Solution
Given:
Total number of runners, n = 5
Numbers of positions required to complete by runners, r = 3(first, second or third place that is 3)
Calculations:
Here, we have to calculate number of possible ways a five runners can complete first, second or third position.
It is an example of permutations, as there are n different choices for selecting r.
There are 60 ways, a five runners can occupy first, second or third place.
Conclusion:
Therefore, we are able to calculate possible methods to select r numbers from given n numbers.
Chapter 13 Solutions
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