神马作文网英语翻译A survey of households in a small city showed that there
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英语翻译
A survey of households in a small city showed that there was an average(arithmetic mean) of 3.2 persons per household and an average of 2.5 radios per household.Based on these results,if 48000 people live in the city,which of the following is the best estimate of the total number of radios in the households of this city?
A survey of households in a small city showed that there was an average(arithmetic mean) of 3.2 persons per household and an average of 2.5 radios per household.Based on these results,if 48000 people live in the city,which of the following is the best estimate of the total number of radios in the households of this city?
一份在一个小城市的家庭报告显示：该城市平均一户的人口数为3.2,平均一户的收音机数为2.5.基于以上数据请问,如果有48000人口住在这个城市,下面哪一项最好的估计了该城市所有家庭的总收音机数?
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