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 55.0 seconds. Use the​ 68-95-99.7 rule to find the indicated quantity.
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Part 1
a. Find the percentage of times within 55.0 seconds of the mean of 179.0 seconds.

enter your response here​% ​(Round to one decimal place as​ needed.)