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A fair die is rolled once. What is the probability of obtaining a 3 or 4?

July 1, 2026Mathematics

ScanSolve AI Answer

Answer

\text{B. } \frac{1}{3}

4 steps

B. $\frac{1}{3}$

Identify the total number of possible outcomes when rolling a fair die once.
A standard fair die has 6 faces, numbered 1, 2, 3, 4, 5, 6.
So, the total number of possible outcomes is 6.
Identify the number of favorable outcomes.
The question asks for the probability of obtaining a 3 or a 4. The favorable outcomes are 3 and 4.
There are 2 favorable outcomes.
Calculate the probability.
The probability of an event is given by the formula:
$P(\text{event}) = \frac{\text{Number of favorable outcomes}}{\text{Total number of possible outcomes}}$ $P(\text{3 or 4}) = \frac{2}{6}$
Simplify the probability.
$\frac{2}{6} = \frac{1}{3}$
The final answer is $\text{B. } \frac{1}{3}$ .