Heartland

markfiend wrote:We can ignore the dog that we already know is male.

A man has a dog of non-specified gender. What is the chance of it being male?

Obviously 0.5

paint it black wrote:option B, equally valid, discount female female, therefore is 1/3

That option is just a red herring and not statistically valid.

FFS Mark! Now you are seriously starting to scare me ...

Jeez, you bloody goffs!

there's a Rosalie joke in here somewhere but i'm walking away...see? i'm gone.

Johnny M wrote:FFS Mark! Now you are seriously starting to scare me ...

Jeez, you bloody goffs!

Ah well, with facts you can prove anything that's even remotely true.

markfiend wrote:We can ignore the dog that we already know is male.

A man has a dog of non-specified gender. What is the chance of it being male?

Obviously 0.5

paint it black wrote:option B, equally valid, discount female female, therefore is 1/3

That option is just a red herring and not statistically valid.

nope, this is one of the most talked about probability problems. nobody has come up with the definative answer. I was posed it a few weeks ago and reasoned 1/2, but no... and so

see for example

http://www.curiouser.co.uk/puzzles/kids.htm


and today's little teaser is

A big Indian and a little Indian are walking down the street. The little Indian is the big Indian's son, but the big Indian is not the little Indian's father. How is this possible?

his mother.

eastmidswhizzkid wrote:his mother.

STRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR

IKE!



IZ.