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re: Solve this OT

Posted on 7/23/18 at 2:19 pm to
Posted by Sneaky__Sally
Member since Jul 2015
12364 posts
Posted on 7/23/18 at 2:19 pm to
its 50%

There are only two options given you know that a gold ball has already been selected.
This post was edited on 7/23/18 at 2:20 pm
Posted by TH03
Mogadishu
Member since Dec 2008
172004 posts
Posted on 7/23/18 at 2:19 pm to
quote:

quote:

The next ball you pick is either G1, G2, or S1. Do you agree?
No. It is either G2 or S1.


So if you picked G2 the next pick could be G2? Because go just implied that.

You’re first pick would be G1, G2, or Gmixed.

You’re second would be G1 or G2 whichever one you didn’t pick first or Smixed. Hence 3 possible since you don’t know which G you picked first.

This is an extremely simple concept. I can’t see why you can’t grasp this. There are 3 possible outcomes until you pick the second ball out.
This post was edited on 7/23/18 at 2:20 pm
Posted by slackster
Houston
Member since Mar 2009
91873 posts
Posted on 7/23/18 at 2:19 pm to
quote:

I’ll simplify for the window lickers:

Of the possible boxes in play (which there are 2).. 1 contains 100% silver balls. The other contains 100% gold balls.

The chances you pull a silver ball are 1:2 or 50%


Someone coming in this hot and this late has to be trolling.
Posted by CptRusty
Basket of Deplorables
Member since Aug 2011
11740 posts
Posted on 7/23/18 at 2:20 pm to
quote:

No. It is either G2 or S1. There is only 1 ball left in the box.




what if you've already picked G2?
Posted by monkeybutt
Member since Oct 2015
4584 posts
Posted on 7/23/18 at 2:21 pm to
quote:

I’ll simplify for the window lickers:

Of the possible boxes in play (which there are 2).. 1 contains 100% silver balls. The other contains 100% gold balls.

The chances you pull a silver ball are 1:2 or 50%




How about this: There's two boxes. You've pulled a gold ball. Is it more likely you pulled a gold ball from a box with multiple gold balls in it, or the one gold ball from another box with no other gold balls? Common sense, which is more likely to you?
Posted by CptRusty
Basket of Deplorables
Member since Aug 2011
11740 posts
Posted on 7/23/18 at 2:21 pm to
read from the beginning, then post your retraction when you're ready
Posted by PearlJam
NotBeardEaves
Member since Aug 2014
13908 posts
Posted on 7/23/18 at 2:22 pm to
quote:

Why can't it be G1? We don't know which of the three gold balls we chose.
That's fine, then it is either G1/2 or S1. But you have already picked one gold out of the box. There is only 1 ball remaining.
Posted by slackster
Houston
Member since Mar 2009
91873 posts
Posted on 7/23/18 at 2:22 pm to
quote:

what if you've already picked G2?


PearlJam is saying it's either the OTHER gold ball or the silver ball. We're saying it's either G1, G2, OR S1. I'm not sure why he doesn't understand they're both correct.
Posted by ell_13
Member since Apr 2013
88451 posts
Posted on 7/23/18 at 2:23 pm to
quote:

it is either G1/2 or S1.
So... 3 possibilities is what you're saying?
Posted by slackster
Houston
Member since Mar 2009
91873 posts
Posted on 7/23/18 at 2:23 pm to
quote:

That's fine, then it is either G1/2 or S1. But you have already picked one gold out of the box. There is only 1 ball remaining.


Yes. The next ball we pick is one of three remaining, unknown, unpicked balls.
Posted by TH03
Mogadishu
Member since Dec 2008
172004 posts
Posted on 7/23/18 at 2:23 pm to
quote:

then it is either G1/2 or S1.


Good, you understand.

Now count those.

G1
G2
S1

1, 2, 3. 3 possible outcomes.
This post was edited on 7/23/18 at 2:24 pm
Posted by PearlJam
NotBeardEaves
Member since Aug 2014
13908 posts
Posted on 7/23/18 at 2:23 pm to
quote:

We're saying it's either G1, G2, OR S1. I'm not sure why he doesn't understand they're both correct.
I understand the explanation, but it isn't factually accurate. G1 or G2 is in your hand or you are picking S1 out of the box. There aren't 3 possibilities at that point. Only 2, but one has better odds.
This post was edited on 7/23/18 at 2:24 pm
Posted by Scooba
Member since Jun 2013
20027 posts
Posted on 7/23/18 at 2:23 pm to
quote:

This is posted after like 16 straight pages of solid analysis and explanations on why the answer is 67%


Posted by MorgusTheMagnificent
Louisiana
Member since Dec 2014
1965 posts
Posted on 7/23/18 at 2:24 pm to
quote:

Is it more likely you pulled a gold ball from a box with multiple gold balls in it, or the one gold ball from another box with no other gold balls? Common sense, which is more likely to you?


Your logic is off.. let’s say you flip a coin and it lands tails 99 times in a row, what are the odds of the coin landing on tails on the 100th flip?

The answer is still 50%. This exercise is no different
Posted by CptRusty
Basket of Deplorables
Member since Aug 2011
11740 posts
Posted on 7/23/18 at 2:25 pm to
quote:

MorgusTheMagnificent



has to be trolling
Posted by monkeybutt
Member since Oct 2015
4584 posts
Posted on 7/23/18 at 2:25 pm to
quote:

Your logic is off.. let’s say you flip a coin and it lands tails 99 times in a row, what are the odds of the coin landing on tails on the 100th flip?

The answer is still 50%. This exercise is no different




This exercise is different and if you can't see that then there's no helping you.
Posted by ell_13
Member since Apr 2013
88451 posts
Posted on 7/23/18 at 2:25 pm to
quote:

The answer is still 50%. This exercise is no different
No.
Posted by TH03
Mogadishu
Member since Dec 2008
172004 posts
Posted on 7/23/18 at 2:25 pm to
quote:

Your logic is off.. let’s say you flip a coin and it lands tails 99 times in a row, what are the odds of the coin landing on tails on the 100th flip?

The answer is still 50%. This exercise is no different


The comparison you’re looking for is what would be the odds of flipping tails 99 times in a row vs flipping tails on the 99th time.
Posted by castorinho
13623 posts
Member since Nov 2010
88339 posts
Posted on 7/23/18 at 2:25 pm to
quote:

Of the possible boxes in play (which there are 2).. 1 contains 100% silver balls. The other contains 100% gold balls.
Just because two teams play in the superbowl does not mean they have an equal chance of being the one holding the trophy in the end.
Posted by CptRusty
Basket of Deplorables
Member since Aug 2011
11740 posts
Posted on 7/23/18 at 2:26 pm to
quote:

There aren't 3 possibilities at that point.


OK... Why is the correct answer 2/3 ?

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