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1. 鍏堢湅鍏瘮鏄笉鏄?锛坬=1鏃跺叕寮忓け鏁堬紒锛?/li>
2. 鈥?strong>鈥嬪鍏紡鈥?/strong>鈥嬶細S鈧?= a鈧?1 - q鈦?/(1 - q) 鈫?浠ｅ叆寰桽鈧?2脳(1-3鈦?/(1-3)=242
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浜屻€侀敊浣嶇浉鍑忔硶锛氱瓑宸楃瓑姣旀贩鍚堥

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馃憠 鈥?strong>鈥嬪洓姝ユ媶瑙ｂ€?/strong>鈥嬶細

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2. 鈥?strong>鈥嬩箻鍏瘮鈥?/strong>鈥嬶細3S鈧?= 1脳3 + 2脳3虏 +鈥?n脳3鈦?/li>
3. 鈥?strong>鈥嬮敊浣嶇浉鍑忊€?/strong>鈥嬶細S鈧?-3S鈧?= 1 + (2脳3-1脳3) +鈥? [n脳3鈦库伝鹿 - (n-1)脳3鈦库伝鹿] -n脳3鈦?/li>
4. 鈥?strong>鈥嬪寲绠€寰椻€?/strong>鈥嬶細S鈧?(2n-1)脳3鈦?4 +1/4
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馃搳 涓夊ぇ棰樺瀷瀵规瘮琛?/h3>

棰樺瀷鐗瑰緛	鏍稿績鍏紡/鏂规硶	鏄撻敊鐐?/th>
绾瓑姣旀暟鍒?/td>	S鈧?a鈧?1-q鈦?/(1-q)	鍒嗘瘝绗﹀彿銆佹寚鏁版紡鍐?/td>
绛夊樊脳绛夋瘮娣峰悎	閿欎綅鐩稿噺娉曞洓姝ヨ蛋	鏈」绗﹀彿銆佷腑闂撮」鏈姷娑?/td>
鏃犵┓閫掔缉鏁板垪	S=a鈧?(1-q)锛?/td>	q

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