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1. 2006
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1. 2. 3. 4. 5. 6. 2006
Excel J. CardanoP. D. Fermat 2006
• 2006
• • (process) 2006
S = { , } S = { , , } 1 1 , 2 , 3 , 4 , 5 , 6 S = {1 , 2 , 3 , 4 , 5 , 6} S = { , } 2006
• 2006
• • S 2006
BBBGGBGGVenn 2006
BBBBBBGBGBGGBGGGBGBVenn J. VennGGG 2006
• 2006
B = {3}BS1 532 4 6 2006
A = {2 , 4 , 6}S1 532 4 6A 2006
• 2006
• • P rnn!=] n - r g!= n # ] n - 1g # g # ] n - r + 1g 2006
• • P rnn!=] n - r g!= n # ] n - 1g # g # ] n - r + 1g• C rnn!= r! ] n - r g!=n # ] n - 1g # g # ] n - r + 1gr! 2006
• P] E g1= N 2006
• P] E g1= N• P] E g = lim n " 3n] E gn 2006
• P] E g1= N• P] E g = lim n " 3• n] E gnP(E) = [ E ] 2006
• 0 ≤ P(Ei) ≤ 1 Ei 0 1 0 1 2006
• 0 ≤ P(Ei) ≤ 1 Ei 0 1 0 1• P(E1 E2 ... En) = P(E1) + P(E2) + ... + P(En)E1, E2, ..., En n E1, E2, ...,En E1 E2 En 2006
• 0 ≤ P(Ei) ≤ 1 Ei 0 1 0 1• P(E1 E2 ... En) = P(E1) + P(E2) + ... + P(En)E1, E2, ..., En n E1, E2, ...,En E1 E2 En • P(S) = 1 1 2006
☺•6C6 142 C6=5,245,786= 0.0000001906 2006
☺• • 6C 6 142C =6 5,245,7866C 11 C 5 1 # 642C =6 5,245,786= 0.0000001906= 0.000001144 2006
☺• • 6C 6 142C =6 5,245,7866C 11 C 5 1 # 642C =6 5,245,786= 0.0000001906= 0.000001144• 35 6C 1 C 5 35 # 642C =6 5,245,786= 0.00004003 2006
☺• • 6C 6 142C =6 5,245,7866C 11 C 5 1 # 642C =6 5,245,786= 0.0000001906= 0.000001144• 35 6C 1 C 5 35 # 642C =6 5,245,786= 0.00004003• 36 6C 2 C 4 630 # 1542C =6 5,245,786= 0.001801 2006
☺• • 6C 6 142C =6 5,245,7866C 11 C 5 1 # 642C =6 5,245,786= 0.0000001906= 0.000001144• 35 6C 1 C 5 35 # 642C =6 5,245,786= 0.00004003• • 36 6C 2 C 4 630 # 1542C =6 5,245,786= 0.00180136 6C 3 C 3 7,140 # 2042C =6 5,245,786= 0.02722 2006
• AP(A)A P(A) = ∑ P(Ei)Ei A 2006
... ...........................• AP(A)A P(A) = ∑ P(Ei)Ei A• A\B B1 B2 ... BcA1 A1 ∩ B1 A1 ∩ B2 ... A1 ∩ BcAr Ar ∩ B1 Ar ∩ B2 ... Ar ∩ Bc 2006
... ...........................• AP(A)A P(A) = ∑ P(Ei)Ei A• A\B B1 B2 ... BcA1 P(A1 ∩ B1) P(A1 ∩ B2) ... P(A1 ∩ Bc)Ar P(Ar ∩ B1 P(Ar ∩ B2) ... P(Ar ∩ Bc) 2006
ABB1 B2A1 320 80 400A2 14 36 50 334 116 450 2006
ABB1 B2A1 320 80 400A2 14 36 50 334 116 450P() = P(A1 ∩ B1) = 320/450 = 0.71ABB1 B2A1 P(A1 ∩ B1) = 0.71 P(A1 ∩ B2) = 0.18 P(A1) = 0.89A2 P(A2 ∩ B1) = 0.03 P(A2 ∩ B2) = 0.08 P(A2) = 0.11 P(B1) = 0.74 P(B2) = 0.26 1.00 2006
ABB1 B2A1 320 80 400A2 14 36 50 334 116 450P() = P(A2 ∩ B1) = 14/450 = 0.03ABB1 B2A1 P(A1 ∩ B1) = 0.71 P(A1 ∩ B2) = 0.18 P(A1) = 0.89A2 P(A2 ∩ B1) = 0.03 P(A2 ∩ B2) = 0.08 P(A2) = 0.11 P(B1) = 0.74 P(B2) = 0.26 1.00 2006
B1 P(A1 ∩ B1) = 0.71A1 B2 P(A1 ∩ B2) = 0.18A2 B1 P(A2 ∩ B1) = 0.03B2 P(A2 ∩ B2) = 0.08 2006
• AP(A)A P(A) = ∑ P(Ei)Ei A• • 2006
ABB1 B2A1 P(A1 ∩ B1) = 0.71 P(A1 ∩ B2) = 0.18 P(A1) = 0.89A2 P(A2 ∩ B1) = 0.03 P(A2 ∩ B2) = 0.08 P(A2) = 0.11 P(B1) = 0.74 P(B2) = 0.26 1.00 2006
ABB1 B2A1 P(A1 ∩ B1) = 0.71 P(A1 ∩ B2) = 0.18 P(A1) = 0.89A2 P(A2 ∩ B1) = 0.03 P(A2 ∩ B2) = 0.08 P(A2) = 0.11 P(B1) = 0.74 P(B2) = 0.26 1.00P() = P(B1) = P(A1 ∩ B1) + P(A2 ∩ B1)= 0.71 + 0.03 = 0.74 2006
• AP(A)A P(A) = ∑ P(Ei)Ei A• • • AB B A A 2006
ABB1 B2A1 P(A1 ∩ B1) = 0.71 P(A1 ∩ B2) = 0.18 P(A1) = 0.89A2 P(A2 ∩ B1) = 0.03 P(A2 ∩ B2) = 0.08 P(A2) = 0.11 P(B1) = 0.74 P(B2) = 0.26 1.00 2006
ABB1 B2A1 P(A1 ∩ B1) = 0.71 P(A1 ∩ B2) = 0.18 P(A1) = 0.89A2 P(A2 ∩ B1) = 0.03 P(A2 ∩ B2) = 0.08 P(A2) = 0.11 P(B1) = 0.74 P(B2) = 0.26 1.00P( | ) = P(B1 | A1) = = 0.80P(A1 ∩ B1)P(A1) 2006
• 2006
• AB AB P(A | B) = P(A) P(B | A) = P(B) P(A ∩ B) = P(A)P(B) 2006
24 10 34 12 16 28 36 26 622003/6/1~2003/8/31 2006
0.387 0.161 0.548 0.194 0.258 0.452 0.581 0.419 1.000 2006
0.387 0.161 0.548 0.194 0.258 0.452 0.581 0.419 1.000 P(TPU ∩ NYU) = 0.706 P(TPD ∩ NYU) = 0.294 P(TPU ∩ NYD) = 0.429 P(TPD ∩ NYD) = 0.571 2006
• • 2006
• • • 2006
B1B1 A 1 175 225 400A2 100 200 300 275 425 700 2006
B1B1 A 1 175 225 400A2 100 200 300 275 425 700175P^B 1 |A 1 h = = 44%400100P^B 1 |A 2 h = = 33%300 2006
150 50 25 50 150 50 75 150 300 100 100 200 2006
150 50 25 50 150 50 75 150 300 100 100 200P( | ∩ ) = 150/300 = 1/2P( | ∩ ) = 50/100 = 1/2P( | ∩ ) = 25/100 = 1/4P( | ∩ ) = 50/200 = 1/4 2006
• P(A B) = P(A) + P(B) − P(A ∩ B) A B P(A B) = P(A) + P(B)• P(A ∩ B) = P(B)P(A | B) AB P(A ∩ B) = P(A)P(B) 2006
• A1, ... , Ai B r/i = 1] gP] Bg = P B + A iP] B + A i g = P] A i g $ P^B |A i hrP] Bg = / P] B + A i g = P A ii = 1r/i = 1] g $ P^B |A ih 2006
A1, ... , Ai B P(Ai) P(B | Ai) B Ai P(Ai | B)P] B + AP^ A i |B h =i g P] B + AP ] B g =i gP ] B + A1 g + P] B + A 2 g + g + P] B + A r gP] A=i gP(B |A i )P ] A1 gP(B |A 1 ) + P] A 2 gP(B |A 2 ) + g + P] A r gP(B |A r ) 2006
P^B |A 1 h = 0.9P] A 1 + Bg= P] A 1 g $ P^B |A 1= 0.6 # 0.9 = 0.54hP^ A 1 |B h = 0.82P] A 1 g = 0.6P^B |A 1 h = 0.1P^A 1 + B= P] A 1 g $ P^B |A 1 h= 0.6 # 0.1 = 0.06hP^ A 1 |B h = 0.18P] A 2 g = 0.4P^B |A 2 h = 0.3P] A 2 + Bg= P] A 2 g $ P^B |A 2= 0.4 # 0.3 = 0.12hP^ A 2 |B h = 0.18P^B |A 2 h = 0.7P^A 2 + B h= P] A 2 g $ P^B |A 2 h= 0.4 # 0.7 = 0.28P^ A 2 |B h = 0.82 2006
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