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Probability and birthdays 2009-01-22
From La:
Neglecting the effect of leap years, what is the chance that, of 6 people selected at random, 2 will have the same birthday?
Answered by Penny Nom.
What year were the girls born in? 2008-01-06
From Nyra:
Christmas 2004 was over and three teenagers were looking forward to their birthdays. Eric's was in February and Lisa's and Tammy's in January. Tammy is 8 weeks older than Eric, but 3 days younger than Lisa. What year were the girls born in?
Answered by Claude Tardif.
Your birthdays until your one hundredth 2006-09-09
From Alan:
which of your birthdays until your one hundredth, fall on the same day of the week as the day you were born?
Answered by Chris Fisher.



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