Yuav ua li cas koj pom qhov tshwm sim ntawm qhov tshwm sim tsawg kawg ib zaug?
Yuav ua li cas koj pom qhov tshwm sim ntawm qhov tshwm sim tsawg kawg ib zaug?

Video: Yuav ua li cas koj pom qhov tshwm sim ntawm qhov tshwm sim tsawg kawg ib zaug?

Video: Yuav ua li cas koj pom qhov tshwm sim ntawm qhov tshwm sim tsawg kawg ib zaug?
Video: ib sim cas tsis tsim nyog tsom xyooj 2022 2024, Kaum ib hlis
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Yuav xam cov Qhov tshwm sim ntawm qhov tshwm sim tshwm sim tsawg kawg ib zaug , nws yuav yog qhov ntxiv ntawm cov xwm txheej yeej tsis tshwm sim . Qhov no txhais tau tias cov qhov tshwm sim ntawm xwm txheej yeej tsis tshwm sim thiab cov qhov tshwm sim ntawm qhov xwm txheej tshwm sim tsawg kawg ib zaug yuav sib npaug ib, los yog 100% caij nyoog.

Tom qab ntawd, koj yuav pom qhov tshwm sim ntawm qhov tshwm sim li cas?

Cov qhov tshwm sim ntawm qhov tshwm sim yog tus naj npawb ntawm cov txiaj ntsig zoo muab faib los ntawm tag nrho cov txiaj ntsig tau. Hloov cov feem 35 rau tus lej, peb xav hais tias muaj 0.6 qhov tshwm sim ntawm xaiv txiv tsawb. Qhov no yooj yim txhais ntawm qhov tshwm sim xav tias tag nrho cov txiaj ntsig tau sib npaug yuav tshwm sim.

Tom qab ntawd, lo lus nug yog, qhov tshwm sim ntawm ib qho xwm txheej tshwm sim yog dab tsi? Qhia tias rau tej xwm txheej A thiab B, qhov qhov tshwm sim uas raws nraim ib ntawm lawv tshwm sim yog Pr(A) + Pr(B) − 2 Pr(A ∩ B).

Xav txog qhov no, qhov tshwm sim yog dab tsi uas tsawg kawg yog ib qho ntawm peb qhov xwm txheej tshwm sim?

Cov qhov tshwm sim tsawg kawg 1 ntawm xwm txheej tshwm sim yog sib npaug rau 1 minus qhov tshwm sim tias tsis muaj tus xwm txheej tshwm sim . kom pom tias qhov no zoo, tsuas yog siv qhov muaj peev xwm ntawm 1, 2, lossis 3 ntawm qhov xwm txheej tshwm sim thiab ntxiv rau lawv.

Qhov tshwm sim yog dab tsi uas tsawg kawg yog ib qho ua tsis tiav?

(B) Cov qhov tshwm sim tsawg kawg yog ib qho tiv thaiv ua tsis tiav yog 1 min qhov tshwm sim tias txhua yam ua tiav. Txij li thaum qhov tshwm sim ntawm ib tivthaiv ua tiav yog 1 rho tawm 0.1, lossis 0.9, qhov qhov tshwm sim tias txhua yam ua tiav yog (0.9)6 = 0.53, 1–0.53 = 0.47.

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