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Question Number 45827 by byaw last updated on 17/Oct/18

Commented by MJS last updated on 17/Oct/18

$$\mathrm{the}\mathrm{source}\mathrm{of}\mathrm{these}\mathrm{questions}\mathrm{is}\mathrm{at}\mathrm{least}\mathrm{not}$$$$\mathrm{accurate},\mathrm{always}\mathrm{something}\mathrm{missing}\mathrm{or}\mathrm{other}$$$$\mathrm{mistakes}$$

Answered by hassentimol last updated on 17/Oct/18

$$\mathrm{For}\mathrm{q}1:$$$$$$$$\mathrm{The}\mathrm{probability}\mathrm{is}:$$$$\mathcal{P}=\frac{8}{8+12}\times \frac{7}{7+12}\times \frac{15}{10+15}\times \frac{14}{14+10}=...$$$$$$$$\mathrm{For}\mathrm{the}\mathrm{q}2,{\mathrm{I}}^{\prime }\mathrm{m}\mathrm{may}\mathrm{not}\mathrm{be}\mathrm{sure}\mathrm{because}\mathrm{I}\mathrm{do}$$$$\mathrm{not}\mathrm{know}\mathrm{the}\mathrm{colours}\mathrm{of}\mathrm{the}12\mathrm{balls}\mathrm{from}$$$$\mathrm{the}\mathrm{first}\mathrm{bag}.$$

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