【正文】 ..................22數(shù)學(xué)三： ......................................................................................................................................23數(shù)學(xué)四： ......................................................................................................................................25第三章 二維隨機(jī)變量及其分布 .......................................................................................28第一節(jié) 基本概念 ..........................................................................................................................28概念網(wǎng)絡(luò)圖 ............................................................................................................................28重要公式和結(jié)論 ....................................................................................................................29第二節(jié) 重點(diǎn)考核點(diǎn) ......................................................................................................................35第三節(jié) 常見(jiàn)題型 ..........................................................................................................................35二維隨機(jī)變量聯(lián)合分布函數(shù) ................................................................................................35隨機(jī)變量的獨(dú)立性 ................................................................................................................36簡(jiǎn)單函數(shù)的分布 ....................................................................................................................37第四節(jié) 歷年真題 ..........................................................................................................................38數(shù)學(xué)一： ......................................................................................................................................38數(shù)學(xué)三： ......................................................................................................................................40數(shù)學(xué)四： ......................................................................................................................................42第四章 隨機(jī)變量的數(shù)字特征 ...........................................................................................45第一節(jié) 基本概念 ..........................................................................................................................45概念網(wǎng)絡(luò)圖 ............................................................................................................................45重要公式和結(jié)論 ....................................................................................................................45第二節(jié) 重點(diǎn)考核點(diǎn) ......................................................................................................................49第三節(jié) 常見(jiàn)題型 ..........................................................................................................................49一維隨機(jī)變量及其函數(shù)的數(shù)字特征 ....................................................................................49二維隨機(jī)變量及其函數(shù)的數(shù)字特征 ....................................................................................50獨(dú)立和不相關(guān) ........................................................................................................................51應(yīng)用題 ....................................................................................................................................52第四節(jié) 歷年真題 ..........................................................................................................................52數(shù)學(xué)一： ......................................................................................................................................52數(shù)學(xué)三： ......................................................................................................................................54數(shù)學(xué)四： ......................................................................................................................................58第五章 大數(shù)定律和中心極限定理 ....................................................................................63第一節(jié) 基本概念 ..........................................................................................................................63概念網(wǎng)絡(luò)圖 ............................................................................................................................63重要公式和結(jié)論 ....................................................................................................................63第二節(jié) 重點(diǎn)考核點(diǎn) ......................................................................................................................65第三節(jié) 常見(jiàn)題型 ..........................................................................................................................65大數(shù)定律 ................................................................................................................................65中心極限定理 ........................................................................................................................65第四節(jié) 歷年真題 ..........................................................................................................................66數(shù)學(xué)一： ......................................................................................................................................66數(shù)學(xué)三： ......................................................................................................................................66數(shù)學(xué)四： ......................................................................................................................................67第六章 數(shù)理統(tǒng)計(jì)的基本概念 ...........................................................................................68第一節(jié) 基本概念 ..........................................................................................................................68概念網(wǎng)絡(luò)圖 ............................................................................................................................68重要公式和結(jié)論 ....................................................................................................................68第二節(jié) 重點(diǎn)考核點(diǎn) ................................