7) You are setting the combination on a three-digit lock. You want to use the numbers 123 but don't care what order they are in. 8) A group of 25 people are going to run a race. The top 8 finishers advance to the finals.
7) You are setting the combination on a three-digit lock. You want to use the numbers 123 but don't care what order they are in. 8) A group of 25 people are going to run a race. The top 8 finishers advance to the finals.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
State if each scenario involves a permutation or a combination. Then find the number of possibilities.
Transcribed Image Text:7) You are setting the combination on a
three-digit lock. You want to use the
numbers 123 but don't care what order they
are in.
8) A group of 25 people are going to run a
race. The top 8 finishers advance to the
finals.
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Follow-up Question
State if each scenario involves a permutation or a combination. Then find the number of possibilities.
Transcribed Image Text:9) A team of 17 softball players needs to
choose three players to refill the water
cooler.
10) 5 out of 13 students will ride in a car
instead of a van
Solution
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