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Find critical value at significance level

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Reference no: EM132198145

The weights of new born baby girls born at a local hospital are normally distributed with the standard deviation of 10 ounces. A hospital administrator conducts a study to determine whether the mean weight of all newborn girls born at the hospital is less than 110 ounces. A random sample of size n = 20 had a mean weight of 106 oz. State Ho and H1 hypothesis , find critical value at significance level a= 0.01, make a decision.

Reference no: EM132198145

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