In a study of facial behavior, people in a control group are timed for eye contact in a 5-minute period. Their times are normally distributed with a mean of 179.0 seconds and a standard deviation of 51.0 seconds Use the 68-95-99.7 rule to find the indicated quantity. a. Find the percentage of times within 51.0 seconds of the mean of 179.0 seconds % (Round to one decimal place as needed.) b. Find the percentage of times within 102.0 seconds of the mean of 179.0 seconds. % (Round to one decimal place as needed.) c. Find the percentage of times within 153.0 seconds of the mean of 179.0 seconds. % (Round to one decimal place as needed.) d. Find the percentage of times between 179.0 seconds and 281 seconds. % (Round to one decimal place as needed.)