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Suppose that a random sample of size 1 0 0 is to be selected from a population with mean 5 0 and standard deviation 6
Suppose that a random sample of size is to be selected from a population with mean and standard deviation
a What are the mean and standard deviation of the sampling distribution of
Describe the shape of the sampling distribution of
Since is greater than or equal to the distribution of will be approximately normal.
Since is greater than or equal to we can't say what the shape of the distribution of will be
Since is less than we can't say what the shape of the distribution of will be
Since is less than the distribution of will be approximately normal.
b Whas is the approximate probability that will be within of the population mean Round your answer to four decimal places.
c What is the approximate probability that will differ from by more than Round your answer to four decimal places.
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