If an integer is randomly selected from all positive 2-digit integers, what is t

游客2025-02-23 17

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://www.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

Note-TakingI.Whytotakenotes?1)Notesareanaidto
Thedoctorreceivedan(urge)______callfromtheparentsoftheinjuredchild.ur
Mostpeoplewhomarryyoungstartoutlivinghandtomouth.Theunderlinedpart
剑桥大学是具有700多年历史的世界著名学府。(withahistoryof)CambridgeUniversityisaworld—renowne
导体运行中的状态包括()。A.正常工作状态 B.不正常工作状态 C.断路
为改善沥青混合料水稳性,可以采用干燥的消石灰粉或水泥部分替代填料。
特发性血小板减少紫癜治疗首选A.激素治疗 B.抗生素治疗 C.免疫抑制剂
A. B. C. D.
某化肥厂向附近一小河排放工业废水，受该厂污染的河水流入村民承包的农田，造成农作物
Itwasno（　　）thathiscarwasseennear

最新回复(0)

If an integer is randomly selected from all positive 2-digit integers, what is t

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

Note-TakingI.Whytotakenotes?1)Notesareanaidto

Thedoctorreceivedan(urge)______callfromtheparentsoftheinjuredchild.ur

Mostpeoplewhomarryyoungstartoutlivinghandtomouth.Theunderlinedpart

剑桥大学是具有700多年历史的世界著名学府。(withahistoryof)CambridgeUniversityisaworld—renowne

导体运行中的状态包括()。A.正常工作状态 B.不正常工作状态 C.断路

为改善沥青混合料水稳性,可以采用干燥的消石灰粉或水泥部分替代填料。

特发性血小板减少紫癜治疗首选A.激素治疗 B.抗生素治疗 C.免疫抑制剂

A. B. C. D.

某化肥厂向附近一小河排放工业废水，受该厂污染的河水流入村民承包的农田，造成农作物

Itwasno（ ）thathiscarwasseennear

Itwasno（　　）thathiscarwasseennear