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Mathematics, 23.12.2019 21:31 Kizmit1423
The children in my subdivision were bored one summer and decided to hold a competition to see who could run to the end of the street in the shortest time. one hundred children participated, and the average finish time was 75 seconds. the sd was 20 seconds and the histogram of the times followed the normal curve. estimate the percentage of children who finished the race in under 45 seconds.
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