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Q#1 Probability and Statistics GATE EE 2009 MCQ +2 marks -0.66 marks

Assume for simplicity that N people, all born in April (a month of 30 days), are collected in a room.  Consider the event of at least two people in the room being born on the same date of the month, even if in different years. e.g. 1980 and 1985. What is the smallest N so that the probability of this event exceeds 0.5 ?        

20

7

15

16

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