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2. The population mean weight of newborn babies in Nassau County is 7.5 pounds with a population standard deviation of 1.4 pounds. A sample of

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2. The population mean weight of newborn babies in Nassau County is 7.5 pounds with a population standard deviation of 1.4 pounds. A sample of 49 newborn babies in Nassau County was selected. a. Calculate the standard error of the sampling distribution to four decimal places b. What is the probability that a sample of 49 newborn babies in Nassau County will have a mean weight of at least 7.2 pounds

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