首页
登录
职称英语
The 10 households on a certain street have household incomes that range from $34
The 10 households on a certain street have household incomes that range from $34
游客
2025-02-24
9
管理
问题
The 10 households on a certain street have household incomes that range from $34,000 to $150, 000 and an average (arithmetic mean) household income of $ 60,000. If the household with the highest income and the one with the lowest income are excluded. What is the average household income for the remaining 8 households?
选项
A、$41,600
B、$47,000
C、$52,000
D、$61,000
E、$75,000
答案
C
解析
某一街道上10个家庭的家庭收入在34,000美元至150,000美元之间,平均(算术平均)家庭收入为60,000美元。若把收入最高的家庭和收入最低的家庭排除在外,那么剩余8个家庭的平均收入是多少?
解:本题的正确答案是(C)。由题意可得:(60000×10 - 34000 - 150000)÷8=52,000美元
转载请注明原文地址:https://tihaiku.com/zcyy/3971452.html
相关试题推荐
Acertainjarcontains100jellybeans:50white,30green,10yellow,5red,4
The10householdsonacertainstreethavehouseholdincomesthatrangefrom$34
Thebuyerofacertainmechanicaltoymustchoose2of4optionalmotionsand4
Inacertaintwo-digitnumber,theunits’digitistwicethetens’digit.Colum
Thealtitudeofacertaintriangularsailis2metersgreaterinlengththanits
Thescoresreportedforacertainmultiple-choicetestwerederivedbysubtracti
Thecost,indollars,foranappliancerepairatacertaincompanyis1.2p+20h
When2/5ofacertainnumberisaddedtothenumberandthissumissubtractedf
Theoddsthatacertaineventwilloccuristheratiooftheprobabilitythatth
Whatisthecost,incents,ofusingacertainfaxmachinetosendnpagesofa
随机试题
Theoceanbottom—aregionnearly2.5timesgreaterthanthetotallandarea
Peopledonotanalyzeeveryproblemtheymeet.Sometimestheytrytoremembe
[originaltext]Whileanewschooltermisabouttobegin,perhapsweshould
拍摄颈椎正位片不应该采取的措施为A.让被检者头颅枕部靠近暗盒,并让听鼻线垂直暗盒
全身肝素化后,检测ACT在多少秒以上方可开始体外循环A.480s B.72
男孩8岁,2周前有发热、咽痛,近3天来水肿、尿少,血压16/11kPa(120/
下列属于经济指标的是()。A.货币供应量 B.股票价格指数 C.失业率
甲状腺功能亢进症大多伴有()。A.弥漫性甲状腺肿大,双侧对称 B.弥漫性甲状
根据《建设项目工程总承包合同示范文本(试行)》(GF201-0216),下列关于
干式变压器的施工程序为:开箱检查→变压器二次搬运→()→送电前检查→送电运行验
最新回复
(
0
)