Puas yog qhov tshwm sim yog ib feem ntawm kev txheeb cais?
Puas yog qhov tshwm sim yog ib feem ntawm kev txheeb cais?

Video: Puas yog qhov tshwm sim yog ib feem ntawm kev txheeb cais?

Video: Puas yog qhov tshwm sim yog ib feem ntawm kev txheeb cais?
Video: “Ob Qho Kev Yug Los Ua Neeg Ua Rau Qhov Tseem Ceeb ntawm Kev Yug Los Ua Neeg Tiav Hlo” 2024, Kaum ib hlis
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Qhov yuav tshwm sim thiab txheeb cais yog cov cheeb tsam ntawm kev ua lej uas cuam tshuam lawv tus kheej nrog kev txheeb xyuas qhov txheeb ze ntawm cov xwm txheej. Qhov yuav tshwm sim deals nrog kwv yees qhov yuav tshwm sim yav tom ntej, thaum txheeb cais suav nrog kev txheeb xyuas qhov zaus ntawm cov xwm txheej yav dhau los.

Yog li ntawd, lub ntsiab lus ntawm kev txheeb cais thiab qhov tshwm sim yog dab tsi?

Statistics thiab Probability . Qhov yuav tshwm sim yog txoj kev kawm ntawm lub caij nyoog thiab yog ib qho tseem ceeb heev uas peb siv nyob rau hauv lub neej txhua hnub, thaum txheeb cais muaj kev txhawj xeeb ntau dua li peb lis cov ntaub ntawv siv cov txheej txheem txheeb xyuas sib txawv thiab cov txheej txheem sau.

Qhov thib ob, qhov kev faib ua feem zoo ib yam li qhov tshwm sim? A kev faib ua feem implies nws yog ib tug guaranteed tshwm sim, whereas a qhov tshwm sim tsis yog. Qhov yuav tshwm sim yog ib qho kev ntsuas ntawm qhov tsis paub tseeb, whereas kev faib ua feem yog ib qho kev ntsuas ntawm qhov tseeb.

Kuj Paub, vim li cas qhov tshwm sim yog siv hauv kev txheeb cais?

Qhov yuav tshwm sim yog kev kawm ntawm cov xwm txheej random. Nws yog siv Hauv kev txheeb xyuas kev ua si ntawm lub caij nyoog, noob caj noob ces, huab cua twv, thiab ntau yam ntawm lwm yam xwm txheej niaj hnub. Kev txheeb cais yog cov lej uas peb siv los sau, teeb tsa, thiab txhais cov ntaub ntawv tus lej.

Leej twg yog tus tsim ntawm kev txheeb cais thiab qhov tshwm sim?

Lub hauv paus ntawm lej rau qhov kev kawm hnyav hnyav rau qhov tshiab qhov tshwm sim txoj kev xav, pioneered nyob rau hauv lub xyoo pua 16th los ntawm Gerolamo Cardano, Pierre de Fermat thiab Blaise Pascal. Christiaan Huygens (1657) tau muab qhov kev kho mob tshawb fawb ntxov tshaj plaws ntawm qhov kev kawm.

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