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

游客2024-01-12 39

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/3355397.html

相关试题推荐

Ifthesumoffiveconsecutiveoddintegersis5,whichofthefollowingcouldb
Ifxisapositive,single-digitintegersuchthat4x/3,2x,x,andx+2,and3x-2
Ifrisnegativeandsispositive,whichofthefollowingmustbenegative?A、|r
Thesquarerootof800isbetweenwhichofthefollowingintegers?A、21and25B、
Whichofthefollowingisequaltox24forallpositivevaluesofx?A、x12+x12B、
Ifathree-digitnumberisselectedatrandomfromtheintegers100to999,incl
Foranynumberswandz,w·z=w3z(8-w2).Ifbothzandw·zarepositivenumbers,
Thesquarerootof636isbetweenwhichsetofintegers?A、24and25B、25and26
Foranynumbersaandb,ab=ab(3-b).Ifaandabbothrepresentpositivenumbers
Ifx,y,andzarepositiveintegers,and4x=5y=6z,thentheleastpossiblevalu

随机试题

A、Thebooksaretooexpensive.B、Theclothesareallwinterclothes.C、Hedoesn’
[originaltext]M:Hi,Jenny.CouldIborrowsomemoneyuntilpayday?W:Uh,yeah
受我国现行法规约束，目前期货公司不能()。A、从事经纪业务B、从事投资咨询业务C、从事资产管理业务D、从事自营业务D目前，我国期货公司受现行法规
[originaltext]Forcenturies,parrotshavebeenprizedpetsbecauseoftheir
Afterworkingforthefilmfortenyears,hefinally______therankofdeputydir
Lastweek,speakersataprograminWashingtondiscussedusingnanotechnolog
[originaltext]M:Hello,Jane.W:Hi,Peter.Howareyou?It’sbeenalongtime
按信托财产的不同划分，信托的种类不包括()。A.资金信托 B.动产信托 C
对急性非淋巴细胞性白血病目前常用的标准化疗诱导缓解方案是（）。A．VAP方案
就需求决策的问题，征求选定专家的意见，然后将意见整理成若干不同观点后匿名反馈给专

最新回复(0)

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

Ifthesumoffiveconsecutiveoddintegersis5,whichofthefollowingcouldb

Ifxisapositive,single-digitintegersuchthat4x/3,2x,x,andx+2,and3x-2

Ifrisnegativeandsispositive,whichofthefollowingmustbenegative?A、|r

Thesquarerootof800isbetweenwhichofthefollowingintegers?A、21and25B、

Whichofthefollowingisequaltox24forallpositivevaluesofx?A、x12+x12B、

Ifathree-digitnumberisselectedatrandomfromtheintegers100to999,incl

Foranynumberswandz,w·z=w3z(8-w2).Ifbothzandw·zarepositivenumbers,

Thesquarerootof636isbetweenwhichsetofintegers?A、24and25B、25and26

Foranynumbersaandb,ab=ab(3-b).Ifaandabbothrepresentpositivenumbers

Ifx,y,andzarepositiveintegers,and4x=5y=6z,thentheleastpossiblevalu

A、Thebooksaretooexpensive.B、Theclothesareallwinterclothes.C、Hedoesn’

[originaltext]M:Hi,Jenny.CouldIborrowsomemoneyuntilpayday?W:Uh,yeah

受我国现行法规约束，目前期货公司不能()。A、从事经纪业务B、从事投资咨询业务C、从事资产管理业务D、从事自营业务D目前，我国期货公司受现行法规

[originaltext]Forcenturies,parrotshavebeenprizedpetsbecauseoftheir

Afterworkingforthefilmfortenyears,hefinally______therankofdeputydir

Lastweek,speakersataprograminWashingtondiscussedusingnanotechnolog

[originaltext]M:Hello,Jane.W:Hi,Peter.Howareyou?It’sbeenalongtime

按信托财产的不同划分，信托的种类不包括()。A.资金信托 B.动产信托 C

对急性非淋巴细胞性白血病目前常用的标准化疗诱导缓解方案是（）。A．VAP方案

就需求决策的问题，征求选定专家的意见，然后将意见整理成若干不同观点后匿名反馈给专