Please create an account to participate in the Slashdot moderation system

 



Forgot your password?
typodupeerror

Slashdot videos: Now with more Slashdot!

  • View

  • Discuss

  • Share

We've improved Slashdot's video section; now you can view our video interviews, product close-ups and site visits with all the usual Slashdot options to comment, share, etc. No more walled garden! It's a work in progress -- we hope you'll check it out (Learn more about the recent updates).

×

+ - The Tuesday Birthday Problem-> 1

Submitted by Anonymous Coward
An anonymous reader writes "I have two children, one of whom is a boy born on a Tuesday. What's the probability that my other child is a boy?

Believe it or not, the Tuesday thing is relevant. Well, sort of. It's ambiguous. Read the article to find out the answer.

In honor of Martin Gardner."

Link to Original Source
This discussion was created for logged-in users only, but now has been archived. No new comments can be posted.

The Tuesday Birthday Problem

Comments Filter:
  • Because your boy born on Tuesday is a constant in the problem, not a variable. The only variable is the gender and weekday for your other child.

    If you rephrase the question: "In families with two children at least one of which is a boy born on Tuesday, what's the probability the other is a boy?" then the answer is 13 in 27.

    There are 2 genders x 7 days x 2 genders x 7 days = 196 equally likely gender/day of week combinations for families with two children. I then eliminate 169 of the 196 possibilities with t

Saliva causes cancer, but only if swallowed in small amounts over a long period of time. -- George Carlin

Working...