Question: plz answer both 3. (05.02 LC) All changes saved Given a population mean of 41.8 with a standard deviation of 5.2 and a sample size

plz answer both

3. (05.02 LC) All changes saved Given a population mean of 41.8 with a standard deviation of 5.2 and a sample size of 9, answer these questions: Part A: What is the standard deviation of the sampling distribution of x? Show your work. (5 points) Part B: What does the sample size need to be if you want the standard deviation of the sampling distribution of x to be 2.6? Show your work. (5 points) (10 points) B i U Font Family 4. (05.02 LC) Given a population mean of 27.1 with a standard deviation of 8.4 and a sample size of 10, answer these questions: Part A: What is the standard deviation of the sampling distribution of x? Show your work. (5 points) Part B: What does the sample size need to be if you want the standard deviation of the sampling distribution of x to be 2.8? Show your work. (5 points) (10 points) B i U Font Family

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