kaiyun官方网站еҜ№дәҺйҡҸжңәеҸҳйҮҸxзҡ„еҲҶеёғеҮҪж•°f(xеҰӮжһңеӯҳеңЁйқһиҙҹеҸҜз§ҜеҮҪж•°f(xдҪҝеҫ—еҜ№д»»ж„Ҹе®һж•°x,жңүеҲҷxдёәиҝһз»ӯеһӢйҡҸжңәеҸҳйҮҸ,з§°f(x)дёәxзҡ„жҰӮзҺҮеҜҶеәҰеҮҪж•°,з®Җз§°дёәжҰӮзҺҮеҜҶеәҰгҖӮжү©еұ•иө„ж–ҷз”ұдәҺдҪҝkaiyun官方网站:均匀分布的密度函数公式(еқҮеҢҖеҲҶеёғз»ҹи®ЎйҮҸзҡ„еҜҶеәҰеҮҪж•°)(1)BetaеҲҶеёғеҸҠе…¶еҮҪж•°е…¬ејҸжҺЁеҜј(2)BetaеҮҪж•°е’ҢGammaеҮҪж•°зҡ„е…ізі»(3)BetaеҲҶеёғзҡ„жңҹжңӣдёҺж–№е·®(4)BetaеҲҶеёғдёҺдәҢйЎ№еҲҶеёғзҡ„е…ізі»(5)BetaеҲҶеёғдёҺеқҮеҢҖеҲҶеёғзҡ„е…ізі»BetaеҲҶеёғжҳҜдёҖз§Қиҝһз»ӯеһӢжҰӮ

1、еӨ§е®¶еҘҪ,е°Ҹе“ҒжқҘдёәеӨ§е®¶и§Јзӯ”д»ҘдёҠзҡ„й—®йўҳгҖӮеқҮеҢҖеҲҶеёғжҰӮзҺҮеҜҶеәҰеҮҪж•°е’ҢеҲҶеёғеҮҪж•°,еқҮеҢҖеҲҶеёғжҰӮзҺҮеҜҶеәҰеҮҪж•°иҝҷдёӘеҫҲеӨҡдәәиҝҳдёҚзҹҘйҒ“,зҺ°еңЁи®©жҲ‘们дёҖиө·жқҘзңӢзңӢеҗ§!

2、第7и®Іе…ЁжҰӮзҺҮе…¬ејҸдёҺиҙқеҸ¶ж–Ҝе…¬ејҸ第8и®ІдәӢ件зӢ¬з«ӢжҖ§з¬¬1⑻и®ІеҚ•е…ғжөӢйӘҢ第9и®ІйҡҸжңәеҸҳйҮҸ第10и®ІзҰ»ж•ЈеһӢйҡҸжңәеҸҳйҮҸ第11и®ІеҲҶеёғеҮҪ数第12и®Іиҝһз»ӯеһӢйҡҸжңәеҸҳйҮҸеҸҠе…¶жҰӮзҺҮеҜҶеәҰ第13

3、е·ІзҹҘ(X,Y)жңҚд»ҺG={(x,y0вүӨxвүӨ2,0вүӨyвүӨ1}дёҠеқҮеҢҖеҲҶеёғ,жұӮZ=X/Yзҡ„еҲҶеёғеҮҪж•°е’ҢеҜҶеәҰеҮҪж•°

XжңҚд»Һ[0,1]дёҠзҡ„еқҮеҢҖеҲҶеёғ,еҲҷжҰӮзҺҮеҜҶеәҰеҮҪж•°fx=1д»ӨY=XВІеҲҶеёғеҮҪж•°F(y)=P(YвүӨy)=P(XВІвүӨy)=P(XвүӨвҲҡy)=вҲ«(0вҶ’вҲҡy)dx=вҲҡyеҜҶеәҰеҮҪж•°fy=Fy)=1/(2вҲҡy)вҲҙXВІзҡ„еҲҶеёғеҮҪkaiyun官方网站:均匀分布的密度函数公式(еқҮеҢҖеҲҶеёғз»ҹи®ЎйҮҸзҡ„еҜҶеәҰеҮҪж•°)и®ҫf_kaiyun官方网站{X}(x)>0,еҲҷеңЁX=xзҡ„жқЎд»¶дёӢ,Yзҡ„жқЎд»¶жҰӮзҺҮеҜҶеәҰеҮҪж•°дёә:f_{YдёЁX(yдёЁx)}=\frac{f(x,y)}{f_{X}(x)}дәҢгҖҒдёӨдёӘеҲҶеёғдәҢз»ҙйҡҸжңәеҸҳйҮҸд»…ж¶үеҸҠ2дёӘиҝһз»ӯйҡҸжңәеҸҳйҮҸзҡ„еҲҶеёғ1гҖҒдәҢз»ҙеқҮеҢҖеҲҶеёғиҒ”