Բ ϱ Խ

ذ ȵǼ ǵ帳ϴ.

߰

εа

*

2023.10.07

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ȳϼ? Ǯٰ ؾȰ κ ־ ǵ帳ϴ. ⺻ p319 Ȯο p334 18 ε.. Ǯٰ Ǯ̰ ذ ȵǼ ǵ帳ϴ. Ȯο a,b,c ͷ Ҷ 0.5 ϰ,, 18 [ Ȳ ߻ Ȯ] ϴµ,, ̰ ΰ ³? ƴ ٸ̶ ̷ Ǵ°ǰ?? ⺻ Բ Ȯο Ǯ (6+4)2 ̷ ؼ ϸ ϴ µ 18 Ǯ ׷ Ǯ ʴ.. ظ ϴ κΰ ǵ帳ϴ.

Ű 亯

2023.10.09

ູϽʽÿ~


⺻ 319 334 Ǯ մϴ.

ϼž մϴ.

1) ھ ͷ մϴ.(Ȳ Ȯ ð ϱ

Ͻñ~    Ȳ Ȯ ٸ 쿡 Ͽ մϴ)

2) ھ ͷ , ھ ݾ ġ Ͽ ü Ʈ ͷ

Ͻø ˴ϴ.


319 ȣȲ Ȳ Ȯ 50% Ͽ,  

ͷ Ͽ 2() Ͻø ð ֽϴ.(д Ͽ ˴ϴ)

Aھ ȣȲ 6%, Ȳ 4% ̹Ƿ, 6+4 / 2 = 5% ˴ϴ.


335 18 Ȳ Ȯ 40%(0.4), ȣȲ Ȯ 60%(0.6)̹Ƿ...  , Ȳ Ȯ ٸǷ

Ͻø ƴϵ˴ϴ. Ȯ ٸǷ Ͽ ؾ մϴ.

(׷ ǵ̸ д,,, μž մϴ)

Aε ͷ = (Ȳ Ȯ 0.4 X 20%) + (ȣȲȮ 0.6 X 70%) = 50% ˴ϴ.


մϴ~

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Խù ˻
ݱ
15 л Ŀ հ

[ ̿ ]

߰ ڰݺ 1:1 н

-

-

/̿

1. ̿
1) û ȳ
2) ̺Ʈ ߺ
3) ſ ڿ Ͽ Ŀ ߰縦 Ŀ ׷ ο Żǰ̳ ̺Ʈ, ֽ ȳ û ⿡ ´ 񽺸 ϱ .
(Ŀ׷: Ŀΰ, Ŀ, Ŀ, Ŀ߱, ĿϺ, Ŀ, Ŀ, Ŀӿ, Ŀ, Ŀ, Ŀҹ, Ŀп, Ŀð, , л, Ŀ )

2. ̿ ׸: ̸, ޴ȣ

3. /̿ Ⱓ: ÷κ 1Ⱓ ̿ϸ, ߰ 1 ıմϴ. ( 2 ) ٸ, ̿Ⱓ ̿뿡 öȸϽô 쿡 ıմϴ.

4. ûڴ ̿ ź ֽϴ. , ź 쿡 û ѵ˴ϴ.


û

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