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

游客2025-02-23 23

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:http://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

Inthispartofthetestyouaregivenadiscussiontopic.Youhave30minutest
WhatdoIexpectyoutodo?[br][originaltext]Thismusicofyoursisnotactua
洛阳洛阳是地处中原的河南省西部一个地级市。它东部毗邻省会郑州，南接南阳，西连三门峡，北邻济源。
Education【C1】______inthemodernizationofourcountry.Thereare,however,
Shynessisthecauseofmuchunhappinessforagreatmanypeople.Shypeople
即使是大型垄断性企业也会受到环境的影响。（）
眩晕，头重昏蒙，胸闷恶心，呕吐痰涎，食少多寐，舌苔白腻，脉濡滑。其辨证为A.肝阳
患者，女性，27岁。挤压鼻根下疖后出现寒战、高热、头痛，眼部周围组织红肿、疼痛，
A.2％～4％ B.0．1％ C.1％ D.25％ E.5％正常釉质中孔
商业信用是企业短期资金的重要来源，其主要形式包括（）。A.应付账款 B.预付

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

Inthispartofthetestyouaregivenadiscussiontopic.Youhave30minutest

WhatdoIexpectyoutodo?[br][originaltext]Thismusicofyoursisnotactua

洛阳洛阳是地处中原的河南省西部一个地级市。它东部毗邻省会郑州，南接南阳，西连三门峡，北邻济源。

Education【C1】______inthemodernizationofourcountry.Thereare,however,

Shynessisthecauseofmuchunhappinessforagreatmanypeople.Shypeople

即使是大型垄断性企业也会受到环境的影响。（）

眩晕，头重昏蒙，胸闷恶心，呕吐痰涎，食少多寐，舌苔白腻，脉濡滑。其辨证为A.肝阳

患者，女性，27岁。挤压鼻根下疖后出现寒战、高热、头痛，眼部周围组织红肿、疼痛，

A.2％～4％ B.0．1％ C.1％ D.25％ E.5％正常釉质中孔

商业信用是企业短期资金的重要来源，其主要形式包括（）。A.应付账款 B.预付