by Whitebunny
Tags: hard, probability
 Math Emeritus Sci Advisor Thanks PF Gold P: 39,293 Set up a tree: R B / \ / \ R B R B / \ / \ / \ / \ R B R B R B R B Calculate the probability, step by step, of each of those 8 outcomes.
P: 2
 Quote by HallsofIvy Set up a tree: R B / \ / \ R B R B / \ / \ / \ / \ R B R B R B R B Calculate the probability, step by step, of each of those 8 outcomes.
Are you sure this works here? Because of the coin flipping and removal, shouldn't there be more possible outcomes? Could you please elaborate a bit more? I really don't understand...

HW Helper
Thanks
P: 4,939
$$\begin{array}{ccc} \text{first event}&\text{probability} & \text{new contents}\\ \hline \text{red} & 1/2 & \text{5 red, 5 blue}\\ \text{blue,heads} & 1/4 &\text{5 red, 4 blue}\\ \text{blue,tails}& 1/4 & \text{5 red, 6 blue} \end{array}$$