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Question
a single die is rolled twice. find the probability of rolling an even number the first time and a number greater than 5 the second time.
find the probability of rolling an even number the first time and a number greater than 5 the second time.
\boxed{} (type an integer or a simplified fraction.)
Step1: Probability of even first roll
A die has 6 faces (1 - 6). Even numbers: 2, 4, 6 (3 outcomes). So \( P(\text{even}) = \frac{3}{6}=\frac{1}{2} \).
Step2: Probability of >5 second roll
Numbers >5 on a die: only 6 (1 outcome). So \( P(>5) = \frac{1}{6} \).
Step3: Multiply probabilities (independent events)
Since rolls are independent, \( P(\text{even and } >5) = P(\text{even}) \times P(>5) = \frac{1}{2} \times \frac{1}{6} = \frac{1}{12} \).
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\(\frac{1}{12}\)