A study of 300 churches found that their sermons lasted an average of 15 minutes with a standard dev
Question: A study of 300 churches found that their sermons lasted an average of 15 minutes with a standard deviation of 4.2 minutes. If a sample of 20 pastors is selected, what is the percentage of churches with their sermons averaging between 15.5 and 17.5 minutes in length?
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Deliverables: Word Document
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