Assuming that everyone's birthday is equal to 1 / 365 on any of the 365 days in a year, how likely  is it that at least two of the 64 people have the same birthday.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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 Assuming that everyone's birthday is equal to 1 / 365 on any of the 365 days in a year, how likely 
is it that at least two of the 64 people have the same birthday.

please don't give chatGPT's answer  ,thanks !!

 

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