Mathematics, 24.03.2021 05:10 oshagie
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A race official needs to know how long it takes an average contestant to run an obstacle course. There are a total of 200 contestants. How can he find a reasonable estimate for the amount of time it takes to run the obstacle course?
time any contestant on the course and use that time
time himself on the course and use that time
time 2 contestants and average their times
time 20 contestants and average their times
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