Question Number 43288 by rahul 19 last updated on 09/Sep/18
Commented by rahul 19 last updated on 09/Sep/18
Commented by rahul 19 last updated on 09/Sep/18
$$\mathrm{I}\:\mathrm{want}\:\mathrm{to}\:\mathrm{know}\:\mathrm{why}\:\mathrm{P}\left(\frac{\mathrm{A}}{\mathrm{A}_{\mathrm{2}} }\right)\:=\:\frac{\mathrm{7}_{\mathrm{C}_{\mathrm{2}} } }{\mathrm{8}_{\mathrm{C}_{\mathrm{3}} } }\:? \\ $$$$\mathrm{This}\:\mathrm{is}\:\mathrm{related}\:\mathrm{to}\:\mathrm{Total}\:\mathrm{probability} \\ $$$$\mathrm{theorem}……. \\ $$