首页
登录
职称英语
If an integer is randomly selected from all positive 2-digit integers, what is t
If an integer is randomly selected from all positive 2-digit integers, what is t
游客
2025-02-23
9
管理
问题
If an integer is randomly selected from all positive 2-digit integers, what is the probability that the integer chosen has
(a)a 4 in the tens place?
(b)at least one 4 in the tens place or the units place?
(c)no 4 in either place?
选项
答案
(a)1/9(b)1/5(c)4/5
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3969959.html
相关试题推荐
Ifanintegerisrandomlyselectedfromallpositive2-digitintegers,whatist
Theintegeraisevenandtheintegerbisodd.Foreachofthefollowingintege
Whichoftheintegers2,9,19,29,30,37,45,49,51,83,90,and91areprime
(a)Whatistheprimefactorizationof372?(b)Whatarethepositivedivisorsof3
Fromasetof100numbers,halfwereselectedtoformgroupI,and60percentof
Whenthedecimalpointofacertainpositivedecimalnumberismovedsixplaces
SetTconsistsoftheintegersfrom11through100,inclusive.QuantityA:4tim
Forhowmanypositiveintegersnlessthan40isthenumberofpositivefactors
Yolandaistolistconsecutivepositiveintegersstartingfrom1.Ifdigit“4”a
Ifonenumberischosenatrandomfromthefirst1,000positiveintegers,whati
随机试题
______isJackLondon’smasterpieceanditissomewhatautobiographical.A、TheSo
Thearticlegivesusarealinsight______(对于当前经济危机的起因).intothecausesofthe
F根据dismissed、teacher和teacher’sunions定位到F段。该段第3-9句都在讲对教师的解雇率非常低这一现象,追溯其原因,可以找到该段
Itissaidthatonecouldaimataprosperouslife(havingagoodincomeand
子宫肌瘤患者产褥期容易发生A.红色变 B.肉瘤变 C.囊性变 D.玻璃样变
根据《小型水电站施工技术规范》SL172-96,坝面倒悬施工中,采用异形石块水
运维单位应在建设过程中及时接收和妥善保管工程建设单位移交的()、备品备件及设备技
2010年,江苏省全年粮食总产量达3235.1万吨,比上年增加5万吨;其中夏粮
一般资料:求助者,男性,24岁,在读研究生。 案例介绍:求助者研究生入学后不久
牙髓钙化诊断要点
最新回复
(
0
)