[問題] 大家說說,監視錄影帶壞掉的機率多高?
我這麼簡單假設好了,
一支監視錄影器一年壞一個小時恐怕都太頻繁了,
那我們應該可以合理的推論,
監視錄影剛好在某一個小時壞掉的機率為:1/(24*365)=1/8760
又除非遇到斷電、重大天災或( )等外力因素才可能多個錄影機同時壞掉,
如果沒有上述因素,那監視錄影壞掉的機率應該是獨立事件,
所以四隻錄影機同時壞掉的機率應為(1/8760)^4≒1/(5.89*10^15)
也就是約五千八百九十兆分之一,
這是多麼謎樣的數字呢?
這種機率?我都不知道可以中幾次樂透頭獎了,
揪竟~~~是怎麼一回事呢???
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07/12 18:15, , 4F
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07/12 18:16, , 5F
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※ 編輯: itai 來自: 140.123.215.175 (07/12 18:17)
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推 tkfc5566:壞一小時後來還接的上才靈異
也是,我怎麼沒想到這點> <
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※ 編輯: itai 來自: 140.123.215.175 (07/12 18:27)
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所以一小時後還能接上是怎麼回事呢?
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※ 編輯: itai 來自: 140.123.215.175 (07/12 18:37)
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還有 24 則推文
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07/13 22:58, , 59F
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07/17 00:17, , 78F
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07/17 00:17, , 79F
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噓
07/19 08:56, , 93F
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