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Feb 21, 2018
2:01
:48
pm
Great38
Walk-on
I work with a few statisticians from USU, maybe I should give them a hard time.
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Great38
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Great38
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Aug 30, 2013
Last login
May 2, 2024
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Messages
Author
Time
Basic probability question for you
Alpi Gusto
2/21/18 12:45pm
66%?
JuicyJam
2/21/18 12:46pm
Yes
Great38
2/21/18 12:50pm
50/50--it either is or it isn't.
Carnac
2/21/18 12:47pm
Here’s why I ask
Alpi Gusto
2/21/18 12:50pm
Are you a student at BYU or Utah?
Carnac
2/21/18 12:52pm
She is solving the probability that the first is red AND the second is blue
Great38
2/21/18 12:55pm
The whole class was asking why it shouldn’t be 2/3
Alpi Gusto
2/21/18 12:58pm
if the question you posted is verbatim from your notes
The Shazad
2/21/18 12:59pm
In that case, 2/3. It's a conditional probability question.
Great38
2/21/18 1:02pm
That is a different question
FiveTen-BuckEighty
2/21/18 12:55pm
Doesn't sound like you are answering the same question to me.
JuicyJam
2/21/18 12:56pm
Right. She answered a different question than what was on the notes
Alpi Gusto
2/21/18 1:00pm
So you select the two balls at the same time or one at a time?
Big Wally D
2/21/18 12:52pm
One at a time
Alpi Gusto
2/21/18 12:52pm
I agree with Juicy and their question is worded wrong if the professor
Big Wally D
2/21/18 12:57pm
^^THIS^^ The key to this problem is WHEN...
jomo
2/21/18 12:58pm
Yeah. I understood you saying you pull two out and then look and see one is
jcase16byu
2/21/18 2:29pm
is this like Let's Make a Deal where the % changes based on info from 1st choice
byujag
2/21/18 12:55pm
Not really, that would require that they pull a ball out of the bag and show
Skeptical Optimist
2/21/18 1:00pm
<< Deleted >>
Alpi Gusto
2/21/18 1:05pm
She's wrong. Blow her mind with the let's make a deal probability question.
cougar1961
2/21/18 1:11pm
wow
The Shazad
2/21/18 1:14pm
TNT has but one question.
JuicyJam
2/21/18 1:36pm
Somebody email her the link to this thread on CB (email at top left of image)
FiveTen-BuckEighty
2/21/18 3:18pm
Maybe this kid was right after all...
Great38
2/21/18 1:08pm
Same professor here too
Alpi Gusto
2/21/18 1:09pm
What class is this?
JuicyJam
2/21/18 1:42pm
Stats 1040
Alpi Gusto
2/21/18 1:55pm
I work with a few statisticians from USU, maybe I should give them a hard time.
Great38
2/21/18 2:01pm
Go for it. She’s a grad student too
Alpi Gusto
2/21/18 2:08pm
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