In a box of 10 electrical parts, 2 are defective.(a)If you choose one part at r

游客2025-02-24 18

问题 In a box of 10 electrical parts, 2 are defective.
(a)If you choose one part at random from the box, what is the probability that it is not defective?
(b)If you choose two parts at random from the box, without replacement, what is the probability that both are defective? [br]

选项

答案 4/5

解析

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In a box of 10 electrical parts, 2 are defective.(a)If you choose one part at r

Inaboxof10electricalparts,2aredefective.(a)Ifyouchooseonepartatr

SURFEIT:A、famishB、chooseC、reprimandD、relaxE、sootheA

Havingalargerassortmenttochoosefromincreasesconsumers’expectations

IntroductionandInterviewInterview(choose1)Let’stalkaboutw

IntroductionandInterviewInterview(choose1)Let’stalkaboutwhe

Whydidyouchoosethatcareer? Well,I’mgoodatEnglishandChinese,sooneo

Whydidyouchoosethisschool/college/university? There’reafewgoodreasons,

Whydidyouchoosethismajor? I’msointolanguageandEnglishhaslongbeenm

Doyouprefergettingnewsfromsocialmediaornewspapers?Why? Iwouldchoose

Shouldfilmsbecensoredorshouldwebefreetochoosewhateverwewanttosee?

Americanshavefourprimaryavenuesformakingfriends:atwork,atschool,

Whatistheman’spurposefortalkingwiththewoman?[originaltext]M:Goodmorn

关于图书重印和再版，说法正确的有（）。A.重印和再版的首要条件是持续的读者

以下算法中属于报文摘要算法的是（）.A.MD5 B.DES C.RSA D

发作时两肺广泛哮鸣音，缓解后哮鸣音消失，常见于()A.支原体肺炎 B.肺炎链

我国历史上著名的大思想家王阳明5岁还不能开口说适，却能默背祖父的众多藏书。这说明

（ ）是市场调查中成本最高，也最容易出错的阶段。A.确定问题和调查目标 B.

（2018年真题）某期货公司任命李某为首席风险官，下列叙述中正确的有（）。A.

（2012年真题）下列各项中，属于企业筹资管理应当遵循的原则有（ ）。A.依法

A.3.8～4.4 B.6.5～7.0 C.5.0～5.5 D.4.0～4

Whydidyouchoosethatcareer?　　Well,I’mgoodatEnglishandChinese,sooneo

Whydidyouchoosethisschool/college/university?　　There’reafewgoodreasons,

Whydidyouchoosethismajor?　　I’msointolanguageandEnglishhaslongbeenm

Doyouprefergettingnewsfromsocialmediaornewspapers?Why?　　Iwouldchoose

（　　）是市场调查中成本最高，也最容易出错的阶段。A.确定问题和调查目标 B.

（2012年真题）下列各项中，属于企业筹资管理应当遵循的原则有（　　）。A.依法