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A simple random sample of 25 recent birth records was selected from a local hospital...

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A simple random sample of 25 recent birth records was selected from a local hospital In the sample the average birth weight was 119 6 ounces Suppose the distribution for all birth weights for this hospital is known to be Normal with mean u and standard deviation 4 1 ounces Based on the 25 recent birth records the sampling distribution of the sample mean x can be represented by N 1 30 N 0 82 N 0 76 N u 6 5

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