Classify the hypothesis test as two tailed, left, or right tailed

Question 14 of 26 (1 point) Classify the hypothesis test as two-tailed, left-tailed, or right-tailed. In 1991, the average duration of long-distance telephone calls originating in one town was 6.6 minutes. A long-distance telephone company wants to perform a hypothesis test to determine whether the average duration of long-distance phone calls has changed from the 1991 mean of 6.6 minutes. O A. Right-tailed O B. Two-tailed O C. Left-tailed