首页
登录
职称英语
Nine pieces of paper numbered consecutively from 1 to 9 are put into a hat. If o
Nine pieces of paper numbered consecutively from 1 to 9 are put into a hat. If o
游客
2025-02-24
8
管理
问题
Nine pieces of paper numbered consecutively from 1 to 9 are put into a hat. If one piece of paper is drawn at random from the hat, what is the probability that it will have an even number?
选项
A、1/9
B、2/9
C、4/9
D、1/2
E、5/9
答案
C
解析
把标号为1至9的9片纸放入一个帽子中,若从帽子中随机地抽出1片纸,它是偶数的概率为多少?
解:本题的正确答案是(C)。1至9中偶数有2、4、6和8共四个,那么随机抽出1张纸其标号为偶数的概率为4/9。
转载请注明原文地址:https://tihaiku.com/zcyy/3971255.html
相关试题推荐
Onahighwaythereisanelectricpoleevery96feet.Ifthepolesarenumbered
Ninepiecesofpapernumberedconsecutivelyfrom1to9areputintoahat.Ifo
Arope55feetlongiscutintotwopieces.Ifonepieceis23feetlongerthan
Onaroadthereisatreeevery46meters.Ifthetreesarenumberedconsecutive
Arope60meterslongiscutintothreepieces(A,B,C),IfpieceAis12meter
Rollinganumbercubewithfacesnumbered1to6(similartoa6-sideddie)isa
COALESCE:A、multiplyswiftlyB、heatrapidlyC、divideintopiecesD、exposeE、satur
TheHomesteadActof1862hasbeencalledoneofthemostimportantpiecesofle
Amongthemany(i)____oftheproject,expensecannotbenumbered;thegoalsof
Althoughhisoutnumberedtroopsfoughtbravely,thegeneralfelthehadnochoic
随机试题
Attheparty,everybodycongratulatedthescientist______winningtheawardafte
Inanoldtownlivedamerchant.Heearnedhugeprofitsbyfairmeansandfo
Manyoftoday’scollegestudentsaresufferingfromaformofshock.Lisais
对于一个B类网络,可以分配(4)个主机地址。A.1022 B.4094
混凝土构件的测试一般选用标距为100mm左右的应变片,且标距不宜小于2~3倍的最
用水浸法测定沥青与矿料的黏附性试验中,按每100g矿料加入沥青5.5g±0.2g
强心苷治疗心房纤颤的主要机制是()。A.降低窦房结自律性 B.缩短心房有效不
(2022年真题)某社会工作服务机构在开展老旧社区治理项目时,发现一些高龄老人家
传统的人事管理被新型的人力资源管理所替代的具体表现是( )。A.人事管理的范畴
项目目标控制的主要措施有()。A.组织措施 B.管理措施 C.经济措施 D
最新回复
(
0
)