You only need one.
Box with marbles in them you draw out three.
Three closed boxes have either white marbles black marbles or both and they are labeled white black and both.
However you re told that each of the labels are wrong.
Box marked as white must be mixed red is already taken and white would be correctly.
You may reach into one of the boxes and pull out only one marble.
Which box should you remove a marble from to determine the contents of all three boxes.
P 3 10 7 9 2 8 p 7 120 since we were ask to find the probability of chosing 1 red 1 black and 1red marble without replacement after each draw we can use the fundamental method in finding the probability.
Three closed boxes have either white marbles black marbles or both and they are labeled white black and both.
Asked 09 29 16 box contains three marbles one red one black and one yellow.
One marble is drawn.
In the three samples you draw if two are to be black the non black marble could be drawn first second or third three possibilities in total.
There are 3 red marbles and 7 black ma.
You may reach into one of the boxes and pull out only one marble.
Sampling from the box with replacement will return a black marble frac13 of the time.
Which box should you remove a marble from to determine the contents of all three boxes.
That means the box has to be full of red marbles if there were white ones too the sticker would have been on a correct box.