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

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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?

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答案4/5

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本试题收录于： GRE QUANTITATIVE题库GRE分类

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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

GRE QUANTITATIVE

GRE

Expertssuggestusingadifferentpasswordforeverywebsiteyouvisit,andchangingthepasswordeveryfewmonths.Ittakestro

AsecondEinsteinnotewasalsosoldattheauction.

Thosewhogainfamemostoftengainitasaresultofpossessingasingletalentorskill:singing,dancing,painting,orwritin

Asmileisastrongsignofafriendlyandopenattitudeandawillingnesstocommunicate.Itisapositive,silentsignsentwi

Whichofthefollowingisequaltothecubeofanon-integer?

Terryishavinglunchatasaladbar.Therearetwotypesoflettucetochoosefrom,aswellasthreetypesoftomatoes,andfou

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

TheprobabilitythateventAoccursis0.6andtheprobabilitythateventBoccursis0.5.Whatisthegreatestvalueofthepro

Thequestionsinthisgrouparebasedonthecontentofapassage.Afterreadingthepassage,choosethebestanswertoeachque

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甲向乙发信，希望乙能买他的货物，甲的行为是法律行为。()

人的心理活动是通过人脑来实现的。因此，人脑是心理的器官，心理是人脑的()。

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我国《公司法》规定，一般公司对外投资不得超过净资产的30%。这在一定程度上限制了母子公司间的交叉控股，但亦可以通过多层的逐级控股方式迂回的达到较差控股的目的。( )

下列各项中，能够产生可抵扣暂时性差异的有()。

公报适用于公布重要决定或者重大事项。()

A、 B、 C、 D、 C

[A]dedicated[I]Incorporate[B]efficiency[J]deficiency[C]chronic[K]sincerely[D]positive[L]overrated[E]Coherent

我国《公司法》规定，一般公司对外投资不得超过净资产的30%。这在一定程度上限制了母子公司间的交叉控股，但亦可以通过多层的逐级控股方式迂回的达到较差控股的目的。(　　)