Mean weight of all newborn baby

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The weights of newborn baby boys born at a local hospital are normally distributed, with a known standard deviation of 9.5 ounces. A hospital administrator is concerned that the weights of newborn baby boys at the hospital might be less than 110 ounces. The administrator determines that a random sample of size n = 35 had a mean weight of 105 ounces. At the α =.01 level of significance, do these data indicate that the mean weight of all newborn baby boys born at the local hospital is less than 110 ounces? What is the p-value?

Reference no: EM131870307

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