In order to reduce the number of variables to two and limit the number of equations in the system to two we can subsitute b r 88 into r b t so that it becomes r r 88 t and then becomes 2r 88 t.
There are r red marbles blue marbles in a bag.
There are 6 red marbles 8 blue marbles and 11 green marbles in a bag what is the probability that you will randomly draw either a red or blue marble 12002178.
So i could pick that green marble or that green marble.
Finally since there are only red and blue marbles in the bag we can say that r b t.
There s one blue marble.
So this is all the possible outcomes.
There s two red marbles in the bag.
60 of the marbles are blue ha your task is to guess which of the two conditions is in fact true.
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A bag contains 100 marbles.
Each marble is either red or blue.
There is an equal number of red and blue marbles h0 or.
There are 5 red marbles 15 blue marbles and 5 green marbles in a bag.
Find each probability a.
What is the probability that the first will be red and the second will be blue.
There are 5 red marbles 7 green marbles 4 black marbles and 8 blue marbles in a bag suppose you select one marble at random.
P red ask for details.
You reach in and randomly draw a marble replace it and draw another marble.
A bag of marbles consists entirely of red blue and green marbles.
The ratio of red to blue to green marbles in the bag is 2 5 7.
These are clearly all yellow.
There s two green marbles in the bag.
So i could pick that red marble or that red marble.
How many marbles total are in the bag.