Find the 95% Confidence Interval for the Difference in the Mean

question 58

Multiple Choice

Find the 95% confidence interval for the difference in the mean costs of parking tickets in these two cities.

• A)19.57 ± 20.00
• B)19.57 ± 20.38
• C)19.57 ± 18.98
• D)19.57 ± 17.68

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