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
27
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
Whathappenedtothetwolargejets?[br][originaltext]Today,airtravel
MemoTo:Peter,DeputyEditorFrom:DanielThoma
Itseemsindividualcancercellssendoutthesamedistresssignalsaswound
初中语文《从百草园到三味书屋》节选主要教学过程及板书设计 教学过程 (一)复习导入 1.回顾上节课所学:(PPT播放) 百草园:美丽的景;有趣的事;善良
子宫颈鳞癌手术后首选的辅助治疗是:()A.心理治疗 B.放射治疗
目前为预防非溶血性发热反应最理想的红细胞制剂是A:年轻红细胞B:洗涤红细胞C
申请房地产租赁合同登记备案需要提交的文件包括()。A:房地产登记申请书原件
操作人和监护人应根据模拟图或接线图核对所填写的操作项目,并分别手工或电子签名,然
关于Aschoff小体的叙述,错误的是 a.是风湿病增生期的特征性病变b.多
我国三大区域发展战略不包括:A.长江经济带 B.黄河经济带 C.京津冀协同发
最新回复
(
0
)