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Birthday Surprise

Written by: Ivars Peterson
Narrated by: Colin Draun
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Publisher's Summary

If your class has 23 or more students, there's more than a 50% chance that two or more students share a birthday. How is this possible? Learn about probability with this simple exercise.

©2015 Ivars Peterson (text), Carus Publishing dba Cricket Media (cover art) (P)2016 Cricket Media Inc.
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