You reach in and randomly draw a marble replace it and draw another marble.
There are r red marbles blue marbles in a bag.
How many marbles total are in the 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 this is all the possible outcomes.
A bag of marbles consists entirely of red blue and green marbles.
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.
Find each probability a.
There are 20 blue 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.
What is the probability that the first will be red and the second will be blue.
So i could pick that green marble or that green marble.
Each marble is either red or blue.
There is an equal number of red and blue marbles h0 or.
P red ask for details.
So i could pick that red marble or that red marble.
Follow report by ashna19122005 22 03 2020 log in to add a comment.
These are clearly all yellow.
And then there s one blue marble in the bag.
The ratio of red to blue to green marbles in the bag is 2 5 7.
There s two green marbles in the bag.
Finally since there are only red and blue marbles in the bag we can say that r b t.
There s one blue marble.
There are 5 red marbles 15 blue marbles and 5 green marbles in a bag.
There s two red marbles in the bag.