In a group of 20 people, what is the probability that 2 of them have birthdays in the same month?
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no. of people in the group = 20
total no. of months in a year =12
probability that two people have birthday in same month = 20 / 12 x 2
=20/24
=5/6
total no. of months in a year =12
probability that two people have birthday in same month = 20 / 12 x 2
=20/24
=5/6
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