Mathematics, 07.07.2019 12:10 7obadiah

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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 186.0
seconds and a standard deviation of 47.0 seconds. use the 68-95-99.7 rule to find the indicated quantity.
a. find the percentage of times within 47.0 seconds of the mean of 186.0 seconds.
% (round to one decimal place as needed.)

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