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某时段内共有100辆汽车经过某一雷达地区,时速频率分布直方图如图所示,则时速超过...
某时段内共有100辆汽车经过某一雷达地区,时速频率分布直方图如图所示,则时速超过60km/h的汽车数量为
辆.
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