首页
登录
职称英语
If one number is chosen at random from the first 1,000 positive integers, what i
If one number is chosen at random from the first 1,000 positive integers, what i
游客
2024-01-12
38
管理
问题
If one number is chosen at random from the first 1,000 positive integers, what is the probability that the number chosen is multiple of both 2 and 8?
选项
A、1/125
B、1/8
C、1/2
D、9/16
E、5/8
答案
B
解析
若从前1000个正整数中随机选出一个数,问该数是2和8的倍数的概率是多少?
解:本题的正确答案是(B)。在1至1000中,8的倍数有125个,因为2和8的最小公倍数为8,则该数是2和8的倍数的概率为:125/1000=1/8
转载请注明原文地址:https://tihaiku.com/zcyy/3356839.html
相关试题推荐
Overthelastfiveyears,EagleTrustBankhasseenthenumberofitsretailcus
TheSupremeCourtisnolongerabletokeeppacewiththetremendousnumberofc
Overthelast40yearstherehasbeenagreatincreasenotonlyinthenumberof
AgreaternumberofnewspapersaresoldinTownSthaninTownT.Therefore,the
Onerandomlyselectedgroupsawaspeakerlectureonenvironmentalethicstoal
Currently,thenumberoffirst-timeadmissionsofindividualsdiagnosedasmanic
Nursingschoolscannotattractagreaternumberofableapplicantsthantheycur
Thenumberofpeople85orolderintheUnitedStatesstartedincreasingdramati
Thenumberofpeoplediagnosedashavingacertainintestinaldiseasehasdroppe
Thedramaticriseinthenumberofhomelesspeopleinthe1980’scannotbeattri
随机试题
[originaltext]Todayschoolchildreninmanycountrieshavehighratesoffa
Manyofthemostdamagingandlifethreateningtypesofweather--torrentialrain
[originaltext]M:Sixhundreddollarsfortheapartment?W:It’stwiceasmuch
ShouldCollegesFocusonTalentTrainingorScientificResearch?
Mostofushaveformedanunrealisticpictureoflifeonadesertisland.We
患者,女,28岁,已婚。月经紊乱1年余,一般是10~40天/10~60天,量时多
2005-2013年,全国技术合同成交金额增速超过GDP增速的年份有__
我国加快转变经济发展方式的主攻方向是( )。A.加大投入,拉动内需 B.
下列关于举证责任的说法,正确的是()A.小明今年10岁,在学校受伤,学校说小明
对于业主而言,以下选项中不是成本加酬金合同的优点的是( )。A.可以根据自身力
最新回复
(
0
)