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
Correct Answer:

Verified
Correct Answer:
Verified
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