You have a six-sided fair number cube that is numbered 1-6. What is the theoretical probability that you will roll a 4?
\( \frac{1}{6} \)
\( \frac{1}{36} \)
\( \frac{1}{30} \)
\( \frac{2}{3} \)

Answer

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Answer

\( P(\text{rolling a 4}) = \frac{1}{6} \)

Steps

Step 1 ：\( P(\text{rolling a 4}) = \frac{\text{number of successful outcomes}}{\text{total number of outcomes}} \)

Step 2 ：\( P(\text{rolling a 4}) = \frac{1}{6} \)