用数学知识解释大海捞针
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找到的概率无限趋近于0
找到针的概率极低。
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绛旓細浣犺涓哄ぇ娴锋崬閽堢殑鍙兘鎬ф槸(0.001)杩欐槸鏁板璇句欢涓婇潰鎻愪緵鐨勭瓟妗堛涔熻鏄佸笀涓轰簡璁叉竻妤氱櫨鍒嗘暟鐨勫惈涔,琛ㄧず寰堝皬寰堝皬鐨勭櫨鍒嗘瘮鐨勬剰鎬銆 鎴戣涓鸿繕瑕佸鍔犲嚑涓浂鎴栬呭崄鍑犱釜闆堕兘鏄彲琛岀殑銆 杩介棶 鍒汉閮借鏄害绛変簬0% 杩界瓟 濡傛灉鏈夐夋嫨椤圭洰,鍒欐寜鐓ф渶灏忕殑閫夈備絾鏄 濡傛灉璇寸害绛変簬0%,涔熸槸鍙互鐨勩備笉杩囪绛変簬0%,鍒欓敊璇傛瘯绔熻繕...
绛旓細浣犺涓哄ぇ娴锋崬閽堢殑鍙兘鎬ф槸(0.001)杩欐槸鏁板璇句欢涓婇潰鎻愪緵鐨勭瓟妗堛涔熻鏄佸笀涓轰簡璁叉竻妤氱櫨鍒嗘暟鐨勫惈涔夛紝琛ㄧず寰堝皬寰堝皬鐨勭櫨鍒嗘瘮鐨勬剰鎬銆傛垜璁や负杩樿澶氬姞鍑犱釜闆舵垨鑰呭崄鍑犱釜闆堕兘鏄彲琛岀殑銆
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绛旓細鐜囩函閲戣钀澶ф捣鎹為拡鏀
