For a group of 10 people, find the probability that t last four months of the year (Sep - Dec) occur at le once among their birthdays, assuming that all mon are equally likely.

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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For a group of 10 people, find the probability that the
last four months of the year (Sep - Dec) occur at least
once among their birthdays, assuming that all months
are equally likely.
Transcribed Image Text:For a group of 10 people, find the probability that the last four months of the year (Sep - Dec) occur at least once among their birthdays, assuming that all months are equally likely.
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