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In a study of facialbehavior, people in a control group are timed for eye contact in a5-minute period. Their times are normally distributed with a

In a study of facialbehavior, people in a control group are timed for eye contact in a5-minute period. Their times are normally distributed with a mean of 186.0 seconds and a standard deviation of 47.0

. Find the percentage of times within 47.0 seconds of the mean of 186.0 seconds

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