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

解析

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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

Thespeechcontestwillgivehimanopportunityto______histalent.

AsecondEinsteinnotewasalsosoldattheauction.

Thevolcanothatraisedtheislandsarestill________places.

Asmileisastrongsignofafriendlyandopenattitudeandawillingnesstocommunicate.Itisapositive,silentsignsentwi

Thesquarerootof800isbetweenwhichofthefollowingintegers?

Whichofthefollowingisequaltox24forallpositivevaluesofx?

Ifacouplegivebirthtoonlyonechildatatimeandtheprobabilityofthechildbeingmaleorfemaleisthesame,whatisth

Australianresearchershavediscoveredelectroreceptors(sensoryorgansdesignedtorespondtoelectricalfields)clusteredatt

Itwashisdoctorwhoadvisedthathe______aholidayawayfromthecity.

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异丙嗪属

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分配管理指的是对利润分配的管理；本书所指利润分配是指对税前利润的分配。()

根据企业所得税法律制度的规定，关于确认收入实现时间的下列表述中，正确的是()。

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