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Mathematics, 08.11.2019 02:31 tabathahasaunicorn1

If all possible samples of size 16 are drawn from a normal population with mean equal to 20 and standard deviation equal to 5, what is the probability that a sample mean \bar x will fall in the interval from \mu \bar x - 1.5 \sigma \bar x to \mu \bar x - 0.2 \sigma \bar x? assume that the sample means can be measured to any degree of accuracy.

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