Multiple choice

Each face of a fair 6-sided die is labeled with numbers from 1 through 6, with a different number appearing on each face. If the die is rolled once, what is the probability of rolling either 2 or 5?

  1. 1 6

  2. 2 6

  3. 3 6

  4. 4 6
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B Correct answer
Explanation

The probability of rolling a 2 is 1/6. The probability of rolling a 5 is 1/6. Since these are mutually exclusive, the probability of rolling either is 1/6 + 1/6 = 2/6.

AI explanation

A fair 6-sided die has 6 equally likely outcomes. The event of rolling either a 2 or a 5 constitutes 2 favorable outcomes. By the classical definition of probability, the chance is 2 divided by 6.

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