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Question Number 189739 by naka3546 last updated on 21/Mar/23

A jar is full of candy, 8 pieces are yellow, 12 pieces  are red, 6 pieces are orange and 4 pieces  are blue. What is the probability that you pick  out a piece that is not yellow, put it back  and then pick out a yellow piece?

$$\mathrm{A}\:\mathrm{jar}\:\mathrm{is}\:\mathrm{full}\:\mathrm{of}\:\mathrm{candy},\:\mathrm{8}\:\mathrm{pieces}\:\mathrm{are}\:\mathrm{yellow},\:\mathrm{12}\:\mathrm{pieces} \\ $$$$\mathrm{are}\:\mathrm{red},\:\mathrm{6}\:\mathrm{pieces}\:\mathrm{are}\:\mathrm{orange}\:\mathrm{and}\:\mathrm{4}\:\mathrm{pieces} \\ $$$$\mathrm{are}\:\mathrm{blue}.\:\mathrm{What}\:\mathrm{is}\:\mathrm{the}\:\mathrm{probability}\:\mathrm{that}\:\mathrm{you}\:\mathrm{pick} \\ $$$$\mathrm{out}\:\mathrm{a}\:\mathrm{piece}\:\mathrm{that}\:\mathrm{is}\:\mathrm{not}\:\mathrm{yellow},\:\mathrm{put}\:\mathrm{it}\:\mathrm{back} \\ $$$$\mathrm{and}\:\mathrm{then}\:\mathrm{pick}\:\mathrm{out}\:\mathrm{a}\:\mathrm{yellow}\:\mathrm{piece}? \\ $$

Answered by talminator2856792 last updated on 22/Mar/23

 p = (((30−8)/(30))) × ((8/(30)))   p = ((176)/(900))

$$\:\mathrm{p}\:=\:\left(\frac{\mathrm{30}−\mathrm{8}}{\mathrm{30}}\right)\:×\:\left(\frac{\mathrm{8}}{\mathrm{30}}\right) \\ $$$$\:\mathrm{p}\:=\:\frac{\mathrm{176}}{\mathrm{900}} \\ $$

Commented by naka3546 last updated on 22/Mar/23

Thank  you ,  sir.

$$\mathrm{Thank}\:\:\mathrm{you}\:,\:\:\mathrm{sir}. \\ $$

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