(See Solution) A certain random variable X is distributed normal with μ = 2.0 and variance σ2 = 9. Samples of size n=9 are taken. Consider the random variable
Question: A certain random variable X is distributed normal with μ = 2.0 and variance σ2 = 9. Samples of size n=9 are taken. Consider the random variable \[\bar{X}\] n=9. Calculate Pr \[\left[ \begin{aligned} & 2<\bar{X}n=9\le 2.85 \\ & \\ \end{aligned} \right]\]
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