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

游客2025-02-24 34

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? [br]

选项

答案 4/5

解析

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

Whichoftheintegers2,9,19,29,30,37,45,49,51,83,90,and91areprime

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LetSbethesetofallpositiveintegersnsuchthatn2isamultipleofboth2

Theintegervisgreaterthan1.Ifvisthesquareofaninteger,whichofthe

If[img]2014m9x/ct_egreqm_egreqjs_0044_20148[/img]isaneveninteger,whichofth

Ifa

Ifjandkareevenintegersandj

Twodifferentpositiveintegersxandyareselectedfromtheoddintegersthat

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已知一个长度为16的顺序表L，其元素按关键字有序排列，若采用折半查找法查找

除尘系统的风管，宜采用内侧间断焊、外侧满焊形式。

逻辑表达式求值时常采用短路计算方式。“&&"、“||”、“！”分别表示逻

某公司计划对某一项目进行投资，投资额为300万元，期限为5年，每年净现金流量分别

A.v＝30.41m/s B.v＝25m/s C.v＝－30.41m/s

关于焊接工艺评定的说法，不正确的是（）。A.是指为验证所拟定的焊接工艺正确性而进