Birthday probability

  • Thread starter six789
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  • #1
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this is the problem...
there are 25 students in a Data Management Class. Determine the probability that at keast two of them share the same birthday. (Assume that every year has 365 days)
--> i have no clue what technique what to do here... coz this is a thinking question so its kinda hard for me...
 

Answers and Replies

  • #2
168
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Well, the way to do this is to work out the probability of each of them having different birthdays, then subtract that from 1. For starters, if there were only 2 people in the class, what is the probability that they would have different birthdays?
 
  • #3
127
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is it 1-(364/365)?
 
Last edited:

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