one of my math questions :)...
A math professor points out to her class of 20 that the probability of two people in the class having the same birthday is about 0.4 . A student raises her hand and states that she is certain that there will be a birthday match. She knows no one's birthday except her own. Explain why she was able to make this statement with such certainty.
3 comments:
She must have been born on Christmas...and Jesus was in her class. :D
okay the answer was.... there were twins in the class!!
oh, I was going to say that certainly there would be a birthday match-there would be one for each birthday. you know to light the candles on the cake?
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