Koj ua li cas qhov tshwm sim Compound?
Koj ua li cas qhov tshwm sim Compound?

Video: Koj ua li cas qhov tshwm sim Compound?

Video: Koj ua li cas qhov tshwm sim Compound?
Video: Mob nrob qaum/ Mob duav yog vim li cas? 2024, Kaum ib hlis
Anonim

Kev txiav txim siab qhov tshwm sim ntawm a kev sib koom ua ke yuav nrhiav tau tus lej ntawm cov Qhov yuav tshwm sim ntawm tus kheej xwm txheej thiab, yog tias tsim nyog, tshem tawm ib qho kev sib tshooj Qhov yuav tshwm sim . Ib qho tshwj xeeb kev sib koom ua ke yog ib qho uas muaj ntau yam xwm txheej ua tsis sib tshooj. Hauv kev ua lej: P(C) = P(A) + P(B).

Ib yam li ntawd, tib neeg nug, ua li cas koj pom qhov kev sim yuav tshwm sim ntawm qhov xwm txheej sib xyaw?

Rau nrhiav tus qhov tshwm sim ntawm ib qho los yog lwm qhov kev sib koom ua ke xwm txheej , ntxiv tus kheej Qhov yuav tshwm sim thiab rho tawm cov qhov tshwm sim lawv tshwm sim tib lub sijhawm.

Ib tug kuj yuav nug, dab tsi yog qhov kev tshwm sim sib xyaw hauv qhov tshwm sim? A kev tshwm sim sib xyaw yog ib xwm txheej ua los ntawm ib pawg ntawm theem pib xwm txheej , qhov tshwm sim tau ntawm tag nrho peb lub npib tossed ua ke yog a kev tshwm sim sib xyaw . Cov xwm txheej teeb yog qhov ua tau ntawm ib qho xwm txheej . Nws tuaj yeem muaj qhov tseem ceeb hauv qab no: (1) Ib lub ntsiab lus: Poj huab tais ntawm lub siab los ntawm daim npav deck: {Q }

Tsuas yog li ntawd, koj yuav nrhiav tau 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.

Koj pom qhov tshwm sim ntawm 3 qhov xwm txheej li cas?

Union ntawm peb txheej xwm (inclusion/exclusion formula): P(A ∪ B ∪ C) = P(A) + P(B) + P(C) − P(A ∩ B) − P(A ∩ C) − P(B ∩ C)) + P(A ∩ B ∩ C). Kos Venn daim duab: Venn daim duab pab koj pom dab tsi tshwm sim thiab muab qhov tsim nyog Qhov yuav tshwm sim.

Pom zoo: