2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Vim li cas P Qhov Tseem Ceeb thiab Kev Ntseeg Kev Ntseeg Ib txwm pom zoo txog qhov tseem ceeb ntawm kev txheeb cais. Koj tuaj yeem siv P qhov tseem ceeb lossis kev ntseeg siab ib ntus los txiav txim seb koj qhov cov txiaj ntsig yog qhov tseem ceeb. … Yog hais tias lub sij hawm kev ntseeg siab tsis muaj qhov kev xav tsis zoo, cov txiaj ntsig tau muaj txiaj ntsig zoo.
Puas kev ntseeg siab luv ib qho kev ntsuas ntawm qhov tseem ceeb?
Kev ntseeg siab muab cov ntaub ntawv hais txog qhov tseem ceeb ntawm kev txheeb cais, nrog rau cov kev taw qhia thiab lub zog ntawm cov nyhuv (11). Qhov no kuj tso cai rau kev txiav txim siab txog qhov cuam tshuam ntawm kev kho mob ntawm cov txiaj ntsig.
Puas yog 95 tus lej tseem ceeb?
Koj qhov kev txheeb cais qhov tseem ceeb qhia txog koj qhov kev pheej hmoo txaus ntshai thiab qib kev ntseeg siab. Piv txwv li, yog tias koj khiav qhov kev sim A / B nrog qhov tseem ceeb ntawm 95%, qhov no txhais tau tias yog tias koj txiav txim siab tus yeej, koj tuaj yeem yog 95% ntseeg tiascov txiaj ntsig tau pom yog tiag thiab tsis yog qhov yuam kev tshwm sim los ntawm randomness.
Lub sijhawm kev ntseeg siab 95% qhia li cas?
Kev hais lus nruj me ntsis 95% kev ntseeg siab ib ntus txhais tau tias yog peb yuav tsum coj 100 tus qauv sib txawv thiab suav 95% kev ntseeg siab rau txhua tus qauv, ces kwv yees li 95 ntawm 100 kev ntseeg siab yuav muaj qhov muaj tseeb tus nqi nruab nrab (μ).
Puas yog.05 qhov tseem ceeb?
Yog li 0.5 txhais tau tias muaj 50 feem pua thiab 0.05 txhais tau tias a5 feem pua. Hauv ntau txoj kev tshawb fawb, cov txiaj ntsig tau ua rau p-tus nqi ntawm. 05 raug suav hais tias nyob rau ntawm tus ciam teb ntawm qhov tseem ceeb. … 005 lawv suav hais tias yog qhov tseem ceeb heev.
Pom zoo:
Ntawm cov ntsiab lus tseem ceeb ntawm kev txheeb cais?
Ib tus lej yog tus lej suav los ntawm cov qauv ntaub ntawv. … Statistics yog ib txoj hauv kev los sau, nthuav tawm, txheeb xyuas, thiab kos cov lus xaus los ntawm cov ntaub ntawv. Txhais: piav qhia txheeb cais. Kev piav qhia txheeb cais yog ceg ntawm kev txheeb cais uas suav nrog kev teeb tsa, nthuav tawm, thiab piav qhia cov ntaub ntawv.
Dab tsi yog qhov tseem ceeb thiab vim li cas nws tseem ceeb los txheeb xyuas koj qhov tseem ceeb?
Qhov tseem ceeb yuav coj koj hauv kev txiav txim siab hauv lub neej thiab ua rau koj taug qab. Qhov tseem ceeb tshaj plaws, qhov tseem ceeb tshaj plaws yuav ua rau koj ntseeg siab hais tias "tsis yog." Lawv pab koj txheeb xyuas qhov xav tau tiag tiag hauv koj lub neej, piv rau lwm tus xav tias tseem ceeb.
Vim li cas thiaj tseem ceeb kom paub qhov txawv ntawm kev ntseeg thiab kev ntseeg?
Kev ntseeg xav tsim ib tus cwj pwm. Nws tsim ib qho kev ntseeg, kev xav, thiab kev ua los ntawm kev muab qhov tseem ceeb rau kev ua raws li cov cai. Qhov no koom ua ke cov neeg uas koom nrog kev ntseeg, raws li lawv qhia tus cwj pwm thiab kev xav ntawm lub neej.
Dab tsi yog qhov tsis tseem ceeb hauv kev txheeb cais?
Koj tuaj yeem muaj cov txiaj ntsig tseem ceeb - koj tuaj yeem paub tseeb tias muaj qhov sib txawv - tab sis qhov sib txawv me me uas nws tsis yog qhov tseem ceeb. Yog li koj qhov kev xeem txheeb cais yuav yog "tsis tseem ceeb" vim tias nws tsis yog qhov tseem ceeb los ntawm qhov kev txheeb cais.
Vim li cas qhov tseem ceeb ntawm qhov muaj zog thiab qhov tsis muaj zog yog qhov tseem ceeb?
Nws yog ib qho tseem ceeb rau qhov tseem ceeb ntawm qhov ua tau zoo thiab qhov tsis muaj zog vim qhov no pab lub tuam txhab txiav txim siab txog thaj chaw uas lawv yuav tsum tau txhim kho ntxiv rau thaj chaw uas lawv ua tau zoo hauv. Vim li cas lub zog thiab qhov tsis muaj zog tseem ceeb?
