(Answered) We have 100 earthquake listening stations an imminent

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We have 100 earthquake listening stations. An imminent earthquake corresponds to a level 5 measurement. The sample mean is 5.2 with a sample deviation of .7. A warning is issued when we are 95% confident that the average is at least at level 5. Do we issue a warning? (The TInterval may be the most useful approach in this problem).

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