What is the margin of error for the population mean

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1. From a population with a standard deviation of 35, a sample of 200 iteams is selected. At 95% confidence, what is the margin of error for the population mean? Round yoyr answer to three decimals.

2. Post an example not listed in the text of a specific selling experience that might require a specific presentation style and explain why this style would be appropriate.

3. A sample of 60 information system managers had a average hourly income of $40.80 with a standard deviation of $7.00. What is the lower limit for the 95% confidence interval estimate for the average hourly wage of all the managers? Round to three decimals.

Reference no: EM132250044

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