There are 2 possible answers. If you meant is either one of the dice land on a 1,
then the answer is 1/3. If you meant if they both ADD UP to 1, then it is impossible
and the answer is 0.
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The first answer accurately states the theoretical probabilities. But the question
clearly specifies "the experimental probability". That number is the result of an
experiment which, as far as we know, has not yet been perfrormed.
Also, in the parlance of frequent rollers, "rolling a (x)" means a roll of two dice
after which the sum of the spots showing on the top surfaces of both is (x).
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It is 0.
If you're only rolling one die, it's a probability of 1 out of six, or 16.67%.
The probability of rolling either a 6 or 4 on one roll of a dice is two thirds (one sixth plus one sixth because both four and six have a probability of one sixth.
Rolling one die, it is 1/6. Rolling two dice, it is 2/6, which can be simplified to 1/3 or 33.33%.
1/3