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Find the probility that 2 persons will have 1.SAME BIRTHDAY 2.DIFFERENT BIRTHDAY. (ignoring a leap year)

Find the probility that 2 persons will have


1.SAME BIRTHDAY


2.DIFFERENT BIRTHDAY.


(ignoring a leap year)

Grade:10

1 Answers

Pramod J AskiitiansExpert-IIT-B
36 Points
11 years ago

dear student,

eliminating the leap year case,

chance of a day being a person birthday is = 1/365

probability of both having same birthday is = 1/365^2

probability of having different birthdays = 1-(1/365^2)

all the best 

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