Wednesday, February 3, 2010

True or False: You can use a Venn diagram to calculate the probability that the dice are fair?

You roll 2 dice. You can use a Venn diagram to calculate the probability that the dice are fair (that is, they are not ';loaded'; and they land randomly).





True or False?True or False: You can use a Venn diagram to calculate the probability that the dice are fair?
Yes and No.


In theory, you can create a Venn diagram with 6 compartments, one for each number. The overlaps are redundant as no dice can ever be two numbers at once. Indeed, you can create any Venn diagram you like, so long as it records all of the results you roll.


However, the Venn diagram is doing nothing special here - all you need is a list of the numbers rolled, and however you choose to arrange them makes no difference.True or False: You can use a Venn diagram to calculate the probability that the dice are fair?
True

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