eddyreynoso8798 eddyreynoso8798

14-01-2023
Mathematics

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A simple random sample of 40 items resulted in a sample mean of 25. The population standard deviation is 5.a. What is the standard error of the mean? round answer to 2 decimal place.b. At 95% confidence, what is the margin of error? round answer to 2 decimal place

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