2. From a group of 12 people, what is the probability that: a) none share a birthday b) at least two of them share 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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2. From a group of 12 people, what is the probability that:
a) none share a birthday
b) at least two of them share the same birthday?
Transcribed Image Text:2. From a group of 12 people, what is the probability that: a) none share a birthday b) at least two of them share the same birthday?
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