首页
登录
职称英语
In a class of 80 people, Mary’s percentile is 90%. In another class of 100 peopl
In a class of 80 people, Mary’s percentile is 90%. In another class of 100 peopl
游客
2025-02-27
44
管理
问题
In a class of 80 people, Mary’s percentile is 90%. In another class of 100 people, 19 people’s percentile is greater than Mary’s. If the two classes are to be merged into one, what will Mary’s percentile be in the new class?
选项
A、75%
B、72%
C、85%
D、72.9%
E、81%
答案
C
解析
在80人的班中,Mary的百分比是90%,也就是有8人的百分比高于Mary。在100人的班中,有19人的百分比高于Mary。那么两个班合并后,共有19+8=27人的百分比高于Mary,一共80+100=180,那么Mary在新班的百分比为(180-27)/180=85%。
转载请注明原文地址:https://tihaiku.com/zcyy/3974802.html
相关试题推荐
Inaclassof80people,Mary’spercentileis90%.Inanotherclassof100peopl
Inacertaingroupofpeople,theaverage(arithmeticmean)weightofthemales
Select3peoplefrom4couplestoformagroup.Twopeopleofonecouplecannot
Fromanewspapereditorial:Manypeoplewhoareaddictedtoheroinwilleventual
Theproblemthatenvironmentaleconomicsaimstoremedyisthefollowing:people
Whensixoutoftenpeoplewhohadeatentheeggsaladatanofficepartybecame
Apublic-serviceadvertisementadvisesthatpeoplewhohaveconsumedalcoholsho
Advertisersareoftencriticizedfortheirunscrupulousmanipulationofpeople’s
Everyhumanbeingwhohaseverlivedhadtwoparents.Therefore,morepeoplewer
Aspeopleage,thenumberofcaloriestheyneedeachdaydecreaseswhiletheird
随机试题
Ididn’thearthephone.I______asleep.A、mustbeB、musthavebeenC、shouldbe
Thestudentsvisitedthemuseumandspentseveralhourswiththe____,whowasver
Oneoftheaimsofteachingscienceis,throughlearning,toenablestuden
TheFutureofTallBuildingsArchitectsresponsibleforthe
主机()中央处理器[br]对话框()鼠标K、P
Provethatyoucancontrolyourselfandyouareaneducatedman;withoutthis,a
Youcanneverbea(competence)______managerifyouspendalotoftimeontrif
股权投资基金应在《风险揭示书》中作为特殊风险进行特别揭示的事项有()。 Ⅰ.
产妇,32岁,G1P0孕40周,因临产由急诊收入产房,护士为其做产科检查,结果是
关于犯罪嫌疑人、被告人有权获得辩护原则,下列哪些说法是正确的?A:在任何情况下,
最新回复
(
0
)