How Many Rolls of Dice to Get Sum 12?

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SUMMARY

The discussion centers on the probability of rolling a sum of 12 with two dice. It establishes that to achieve a greater than 1/2 probability of rolling a sum of 12 at least once, one must roll the dice a minimum of 24 times. Additionally, the conversation highlights a common grammatical error regarding the term "dices," clarifying that "dice" is the correct plural form of "die." This distinction is emphasized throughout the discussion.

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Mehrudin
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How many times do we need to throw 2 dices to get more than 1/2 probability that at least once the sum of the two dices will be 12.
 
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Mehrudin said:
How many times do we need to throw 2 dices to get more than 1/2 probability that at least once the sum of the two dices will be 12.

Well, what do you know about the distribution of "two dice"?
 
And my standard complaint: "dices" is a verb. "dice" is itself already plural- it is the plural of the word "die". You mean to say "two dice".
 
Country Boy said:
And my standard complaint: "dices" is a verb. "dice" is itself already plural- it is the plural of the word "die". You mean to say "two dice".

Same as "two shoes". Common usage.
 
No, it is not the same. "Two shoes", yes. "Shoes" is the plural of "shoe" But not "two dices" because "dice" is already plural. It should be "two dice".
 
Country Boy said:
No, it is not the same. "Two shoes", yes. "Shoes" is the plural of "shoe" But not "two dices" because "dice" is already plural. It should be "two dice".

Right. Dice is plural. Are you sure it's a grammar error from the OP and not just falling asleep on the keyboard?
 

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