Birthday sharing

Probability Level 1

Assuming this is a famous problem , then two solvers of this problem must share their birthdays.

Suggestion : A famous problem has more than 400 problem solvers.

Yes No

Satyabrata Dash by Satyabrata Dash , 20, India

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1 solution

Satyabrata Dash
Jul 2, 2018

So, its the PIGEONHOLE PRINCIPLE to think about in this problem.

There are 365 possible birthdays , 366 including 29th February and this famous problem has more than 400 problem solvers.

Then two people must share their birthdays.

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The problem is asking that "you" will share your birthday with some other problem solver,not two of the solvers will share the same birthday.Maybe your birthday is 1/1,but all the other solver's are 1/2,then you don't share the same birthday with any other solvers.

But since the problem is asking "is there a chance",then I think the answer is still yes.

X X - 2 years, 11 months ago

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Yup " is there a chance" makes the difference.

Satyabrata Dash - 2 years, 11 months ago

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I'm just saying this has nothing to do with PIGEONHOLE PRINCIPLE.

X X - 2 years, 11 months ago

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@X X – umm. i get it now actually I wanted it to be a pigeonhole problem. but the question was edited poorly . now its fine.. thanks

Satyabrata Dash - 2 years, 11 months ago

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