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................ 4025676212817384117008860&eISBN=978035713 14668 snapshotld=2 MINDTAP gnment ant: Chapter 8 Assignment Exercise 08.01 Algo (Population Mean: Sigma Known) A simple random sample of 40 items resulted

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4025676212817384117008860&eISBN=978035713 14668 snapshotld=2 MINDTAP gnment ant: Chapter 8 Assignment Exercise 08.01 Algo (Population Mean: Sigma Known) A simple random sample of 40 items resulted in a sample mean of 20. The population standard deviation is o = 9. Round your answers to two decimal places a. What is the standard error of the mean, of ? b. At 95% confidence, what is the margin of error? - Icon Key Exercise 08.01 Algo (Population Mean: Sigma Known)

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