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

游客2024-01-12 26

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 1/45

解析

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

—Youcouldn’thavechosenanygiftbetterforme.—______.A、Oh,I’dchooseabet

Ifx=-3,then[img]2011q3/ct_egmatqj_egmatqchoose_0027_20111[/img]A、-2B、-1C、201

[img]2011q3/ct_egmatqj_egmatqchoose_0024_20111[/img]A、21/58B、58/21C、21D、42E、

Terryishavinglunchatasaladbar.Therearetwotypesoflettucetochoosef

Whatistheareaoftheshadedfigure?[img]2011q3/ct_egmatqj_egmatqchoose_0056_2

If[img]2011q3/ct_egmatqm_egmatqchoose_0468_201121[/img]andxy=4,then7y+2x=[i

If[img]2011q3/ct_egmatqm_egmatqchoose_0454_201121[/img]forallnumbersq,r,s

[img]2011q3/ct_egmatqm_egmatqchoose_0199_20112[/img]A、416B、224C、188D、104E、56

Whatistheperimeterofasquarewitharea[img]2011q3/ct_egmatqm_egmatqchoose_0

[img]2011q3/ct_egmatqm_egmatqchoose_0280_20112[/img]Anewspaperpolled1,000

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最简单的通信系统通常由()组成。A.信息源 B.发送设备和接收设备 C.信道

2020年3月，中共中央办公厅印发《党委（党组）落实全面从严治党主体责任规定》，

根据《公司法》的规定，A公司董事会的职权有： A.对公司增加注册资本作出决议

下列哪项不是横位常见的并发症A.子宫破裂 B.子宫痉挛性狭窄环 C.胎膜破裂

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