有關離散型機變數及期常用的機率分配 - 搭公車
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By James
at 2015-01-09T00:00
at 2015-01-09T00:00
Table of Contents
1.聖誕老公公的袋子裡有十種禮物每種5個,但只有一種是你想要的,有一天聖誕老公公到你家.告訴你說:閉眼睛自己挑一個,不歡可以放回去,但只是三次機會,請問你可以挑到自己喜歡的禮物的機率有多高?2.同樣的狀況,如果你可以閉眼一次挑五個禮物,請問你挑到2個喜歡的禮物的機率有多高?3.Miss趙製作的報告中平均每頁有1個錯誤,請問某份報告10頁中有5個錯誤的機率為何?3頁的報告中出現5個錯誤的機率?4.老師點名時間通常在八點三十至三十五分,只要老師還沒點完都可以不點名,阿志搭公車從家裡到學校需要二十分,公車六點開始每二十分有一班,在那二十分鐘內公車隨時可能到達且機率相同,請問阿志如果八點十分到公車站牌,來得及點名的機率多少?他七點五十分到站牌,接果直到的機率多少?5.某電子產品的壽命服從指數分配,期平均壽命為3年,保固期定為半年,
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搭公車
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By Genevieve
at 2015-01-12T16:39
at 2015-01-12T16:39
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By Gary
at 2015-01-11T20:20
at 2015-01-11T20:20
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By Quintina
at 2015-01-09T08:19
at 2015-01-09T08:19
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