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Category > Statistics Posted 28 Apr 2017 My Price 2.00

Three dices (red, green and blue) are thrown at same time

 

Three dices (red, green and blue) are thrown at same time, what is the probability that all three dices add equal to 7 ?
 
 

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Alpha Geek
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Status NEW Posted 28 Apr 2017 12:04 PM My Price 2.00

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file 1493383990-Answer.docx preview (95 words )
T-----------hre-----------e d-----------ice-----------s (-----------red-----------, g-----------ree-----------n a-----------nd -----------blu-----------e) -----------are----------- th-----------row-----------n a-----------t s-----------ame----------- ti-----------me,----------- wh-----------at -----------is -----------the----------- pr-----------oba-----------bil-----------ity----------- th-----------at -----------all----------- th-----------ree----------- di-----------ces----------- ad-----------d e-----------qua-----------l t-----------o 7-----------? -----------Apr----------- 28----------- 20-----------17 -----------04:-----------11 -----------AM ----------- Th-----------e t-----------ota-----------l n-----------umb-----------er -----------of -----------com-----------bin-----------ati-----------ons----------- fo-----------r 3----------- di-----------ce -----------thr-----------ows----------- wo-----------uld----------- be----------- 6*-----------6*6----------- = -----------216----------- co-----------mbi-----------nat-----------ion-----------s. -----------Now----------- th-----------e c-----------omb-----------ina-----------tio-----------ns -----------in -----------whi-----------ch -----------the----------- su-----------m w-----------oul-----------d b-----------e 7----------- wo-----------uld----------- be-----------: 1----------- + -----------1 +----------- 5,----------- th-----------is -----------cou-----------ld -----------hap-----------pen----------- in----------- 3 -----------way-----------s (----------- al-----------l d-----------ice-----------s a-----------re -----------dis-----------tin-----------ct -----------) b-----------eca-----------use----------- on-----------e o-----------f t-----------he -----------3 d-----------ice-----------s w-----------oul-----------d h-----------ave----------- a -----------5 a-----------nd -----------res-----------t t-----------wo -----------dic-----------es -----------wil-----------l h-----------ave----------- a -----------1.
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