Question

Determine the probability that at least 2 people in a room of 10 people share the same birthday, ignoring leap years and assuming each birthday is equally likely, by answering the following questions:
(a) Compute the probability that 10 people have 10 different birthdays.
(b) The complement of “10 people have different birthdays” is “at least 2 share a birthday.” Use this information to compute the probability that at least 2 people out of 10 share the same birthday.


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  • CreatedApril 27, 2015
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