<|system|>
5.6-1. Let $\bar{X}$ be the mean of a random sample of size 12 from the uniform distribution on the interval $(0,1)$. Approximate $P(1 / 2 \leq \bar{X} \leq 2 / 3)$.
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<|user|>
Can you answer based on context?
<|assistant|>
0.4772