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I love beating the odds

MartyMcFly3

MartyMcFly3

Lifer
In my math class today (Math 101 -- easy as cake) we were doing probabilities. She had 16 cards out of a deck of 52, all of them being the J,Q,K and A of every suit. The goal was to pick out 4 Queens. Out of the class of 20, 2 people did it...

Then she says, "Alright now im going to add the rest of the deck to the card and continue shuffling. It should be practically IMPOSSIBLE to get 2 Queen's now." Sure enough she comes to me, I pull out 2 Queens. She got pissed and accused me of cheating (which I didnt), but it was worth seeing her face go from 🙂 to 😱

I love doing that. 😛

nef away.
 
Originally posted by: jagec
Invest all your money on the slots.
Click to expand...

I would but the way my luck works is, I get lucky on really meaningless sh!t like above. But when it comes time to need good stuff to happen, I fail horribly.
 
practically impossible?
Unlikely, but not nearly impossible. I guess your teacher doesn't play much poker.

 
Originally posted by: DBL
practically impossible?
Unlikely, but not nearly impossible. I guess your teacher doesn't play much poker.
Click to expand...

heheh, why do you need to know poker, it's basic probabilty, apparently the subject she's teaching.
 
I'm Even Steven. I never win anything, but if I loose something, I always gain it right back. I'm the guy that spends $100 on blackjack tables and gets a 5:1 payoff on my last $20 bet 🙂
 
Originally posted by: LordSnailz
heheh, why do you need to know poker, it's basic probabilty, apparently the subject she's teaching.
Click to expand...

True, but just knowing probability doesn't necessarily give you common sense to predict what is a good or bad bet w/o doing the math. She should have stacked the odds a bit more in her favor. Someone in a class of 30 has about a 13.6% chance of drawing 2 Queens. Now 3 Q's would have made more sense.


Edit - I see it was a class of 20 so there was only a 9% chance of someone succeding. Either way, assuming she has multiple classes, she is bound to get burned at some point considering the odds.

 
So what was the probability. I always get that confused with the 'odds'.

My lack of training leads me to the following conclusion, please correct where I'm wrong:

The first Queen pull was 4/52 = 1:13 chances you'd get it, right? Then to get the second one you increase it a lot, because you are down to 1:17 you'd get it in that second shot (3 left out of 51 cards)...

So is it 1:221? That doesn't seem practically impossible. Is that odds or probability?

--

1:25 for the 3rd pull = 1:5525
1:49 for a 4th = 1:270725 or, if 30 people tried: .011% chance someone would get lucky and pull a four of a kind?
 
Your teacher is an idiot. I play texas hold em a lot and getting 2 queens is a nightly occurance. Odds are 1 in 281 of picking 2 cards from a deck and getting your 2 queens.

20 people on a 1 in 281 draw is a 7% chance of someone pulling out queens. Not practically IMPOSSIBLE like your teacher claimed.
 
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