Time left 0:33:33 Fill in the blanks by standardizing the normally distributed variable. The amount of time that customers wait in line during peak hours at one bank is normally distributed with a mean of 15 minutes and a standard deviation of 3 minutes. The percentage of time that the waiting time lies between 12 and 14 minutes is equal to the area under the standard normal curve between _and Select one: O A. 0.6, 0.73 O B. -3, -1 O C. 0.33, 1 O D. -1, -0.33