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QUESTION
For a continuous random variable x, the population mean and the population standard deviation are 54 and 12 respectively. You extract a sample of 36...
For a continuous random variable x, the population mean and the population standard deviation are 54 and 12 respectively. You extract a sample of 36 elements from this population. The mean of the sampling distribution of the sample mean is:
Select one:
a. 2b. 12c. 54d. 9