Use the following to answer the questions:
You roll two dice and record the sum shown. The sample space is the set of all possible sums, which are 2, 3, . . . , 11, 12.
-What other outcome has a probability equal to the probability of "the sum is 2"?
A) The sum is greater than 2.
B) The sum is less than 10.
C) The sum is greater than 11.
D) None of the above.

Question

Use the following to answer the questions:  
You roll two dice and record the sum shown. The sample space is the set of all possible sums, which are 2, 3, . . . , 11, 12.
-What other outcome has a probability equal to the probability of "the sum is 2"?
A) The sum is greater than 2.
B) The sum is less than 10.
C) The sum is greater than 11.
D) None of the above.

Quizplus · Accepted Answer

The probability of rolling a sum of 2 is the same as the probability of rolling a sum of 12, which is only one possible outcome. Therefore, the best choice is C, since the probability of rolling a sum greater than 11 is also only one possible outcome.

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