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英语翻译In a distribution of 850 different measurements,x centim

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英语翻译
In a distribution of 850 different measurements,x centimeters is at the 73rd percentile.If there are 68 measurements in the distribution that are greater than y centimeters but less than x centimeters,then y is approximately at what percentile in the distribution?
英语翻译In a distribution of 850 different measurements,x centim
我理解的大意是:把一个东西分为680等分.X位于总长度73%的位置处,如果有68个等分点大于Y但是小于X,那么Y位于多少百分点处?
这个题很简单,假设总长度为1,X=0.73,Y