MATC Mathematics Club
Lecture #114

Madison Area Technical College
Madison, Wisconsin


Spring 2012 Presentation #114 (April 20, 2012)

Professor Norbert Kuenzi, UW-O

"The Birthday Problem and Beyond"

Previous Lectures: (A Historical Look at the Car-and-Goats Problem)(#85 What are Trapezoidal Numbers?)(#74 "The Tower of Hanoi Puzzle"), (#7"Some Binary Curiosities") , (#43"How many Coconuts?--The Famous Monkey, Sailors, and Coconuts Problem") , (#63"Some (Sum) Numerical Curiosities for 2007"), (#16 "Two men thinking about math recreations")

Abstract: It is fairly well known that in a room of 23 people the probability that two or more people have the same birthday is greater than 1/2, and in a room of 40 people it is nearly 9/10. In this talk we will cover this problem, then discuss several generalizations. For example: In a room on n people, what is the probability that 3 or more people have the same birthday? or, what is the probability that someone has my birthday? If you can count and if you have a birthday, then you should enjoy this talk

Biography: Norbert J. Kuenzi Professor Ph.D. (1969); University of Iowa Research Interest: Probability

Student Speaker Eric Luck


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