Dmullen1818 Dmullen1818

06-06-2023
Mathematics

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A random sample of 49 automobiles traveling on an interstate showed an average speed of 65 mph and a standard deviation of 21 mph. If we are interested in determining an interval estimate for at 95% confidence, what is the confidence interval? [65,70] [58.97,72.97] [60.97,72.97] [58.97,71.03] h

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