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Discussion in 'Psychology' started by sittingduck, Oct 16, 2008.

1. ### Random.Capital

And here's the proof that common sense is not so common.

It's a free bet - the cost to play is zero - they are by definition both excellent bets because the expectancy on both is an infinite multiple of the risk.

#21     Oct 17, 2008
2. ### theboxer

Yeah, but the question is, which is <i>better</i>. But good point.

#22     Oct 17, 2008
3. ### Jachyra

(a)
Card #1 = 13/52 chance
Card #2 = 13/51 chance
Card #3 = 13/50 chance
Card #4 = 13/49 chance

(b)
Card #1 = 52/52 chance
Card #2 = 39/51 chance
Card #3 = 26/50 chance
Card #4 = 13/49 chance

I'd say B looks easier

#23     Oct 17, 2008
4. ### Bogan7

What a stupid question of course its B thats takes about 1 sec to work out

#24     Oct 17, 2008
5. ### mgookin

That's the best answer I have seen!

Commonsensical all the way.

B is the best probability of prevailing.

#25     Oct 18, 2008
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