Question: You are told that a variable X follows a normal model with = 8.9 with = 0.3. Ifrandom samples of size 38 are chosen from

You are told that a variable X follows a normal model with = 8.9 with = 0.3.

Ifrandom samples of size 38 are chosen from the population, what is the sample mean value that has 1.5% of all sample mean values beneath it?

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