jonnymop5
jonnymop5
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April 10th, 2013 at 10:30:12 PM permalink
Hello,
I am currently taking a statistics class and there was a question regarding probability methods. I disagreed with the answer and wanted to check here to see if I was correct. Question:

At gambling casinos all over the country, a popular dice game is called craps. The probability of a player winning at this game can be assessed using which of the following methods? Note: if you don't know the game, you may have to do a quick search on it to answer the question.

a) Subjective Probability
b) Classical Probability
c) Empirical Probability
d) None of these

What is the correct answer? I will provide the class solution and my thoughts after I get some unbiased responses.

Thanks.
7craps
7craps
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April 10th, 2013 at 10:46:27 PM permalink
b

what bet in the game of Craps?
There are many

final answer

b
winsome johnny (not Win some johnny)
jonnymop5
jonnymop5
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April 10th, 2013 at 10:50:13 PM permalink
7craps thanks for a quick reply. Here is my rebuttal to b being the answer.

The question isn't stating the odds of a player winning on one craps roll, it is asking the odds of a player winning/losing. With this I would assume you are playing more than one roll of the dice. If this is the case than you are also bringing into the equation things like fire bets, yo bets, multiple come bets, odds on point bets, multiple don't pass bets, odds on don't pass bets, etc. Unless I am 100% off base in classical probability, there is no chance you are calculating all of these possible bets for an entire night of betting using classical probability.
7craps
7craps
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April 10th, 2013 at 10:59:48 PM permalink
There are many multi-roll bets (one or more rolls for the bet to be resolved)
and many one roll bets (one roll ONLY for the bet to be resolved)
in the game of Craps.

Good Luck
winsome johnny (not Win some johnny)
Wizard
Administrator
Wizard
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April 11th, 2013 at 1:12:06 AM permalink
I would have said b. It could have been worded better, but I think you're over-thinking it, and they just meant the probability of a single pass line bet winning, or any one bet.
"For with much wisdom comes much sorrow." -- Ecclesiastes 1:18 (NIV)
DJTeddyBear
DJTeddyBear
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April 11th, 2013 at 5:15:27 AM permalink
I take it that you've copies the question word-for-word.

People here don't need to look up the game of craps. However, I'd need to look up those three choices!
I invented a few casino games. Info: http://www.DaveMillerGaming.com/ ————————————————————————————————————— Superstitions are silly, childish, irrational rituals, born out of fear of the unknown. But how much does it cost to knock on wood? 😁
1BB
1BB
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April 11th, 2013 at 7:58:19 AM permalink
What is this game of craps that you speak of? :)
Many people, especially ignorant people, want to punish you for speaking the truth. - Mahatma Ghandi
MathExtremist
MathExtremist
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April 11th, 2013 at 9:15:42 AM permalink
To the extent that "the probability of a player winning at this game" is indefinite, the answer is (d), none of the above, but the only sensible answer is (b). You can calculate the probability of winning any individual bet using classical probability. You don't have any other details on which to base a subjective opinion, and empirical analysis only happens after the fact. As soon as "the probability of a player winning" is defined, whatever that definition is, the solution can be found using classical probability.
"In my own case, when it seemed to me after a long illness that death was close at hand, I found no little solace in playing constantly at dice." -- Girolamo Cardano, 1563
vendman1
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April 11th, 2013 at 9:19:00 AM permalink
I agree that the question is badly worded, but the only logical answer is B. Wiz is right don't read too much into the question.
jonnymop5
jonnymop5
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April 12th, 2013 at 7:04:05 AM permalink
Thanks for the feedback. I agree I was reading to much into it and should just argue that the question was poorly worded.
jonnymop5
jonnymop5
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April 12th, 2013 at 7:04:42 AM permalink
Ha. That is pretty funny. Yes, I did cut and paste the question.
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