How many people must be selected to guarantee that at least 6 have a birthday in the same month?
How many people must be selected to guarantee that at least 6 have a birthday in the same month?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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PLEASE HELP, i really need to understand these questions before my finals. pleaseee?
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Step 1
The Pigeonhole Principle:
If there are n+1 objects and it is required to place then in n boxes then there must be one both much contains at least 2 items.
The Generalized pigeonhole principle :
If there are kn+1 objected and it is required to place then in n boxes then there are at least k+1 objects contained in same box .
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