There Are R Red Marbles Blue Marbles In A Bag

Find each probability a.

There are r red marbles blue marbles in a bag.

A bag contains 100 marbles. There s two red marbles in the bag. There s one blue marble. There are 20 blue marbles in the bag.

A bag of marbles consists entirely of red blue and green marbles. You reach in and randomly draw a marble replace it and draw another marble. Follow report by ashna19122005 22 03 2020 log in to add a comment. 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. 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. These are clearly all yellow. There s two green marbles in the bag.

One of two conditions exists with respect to the number of red and blue marbles. 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. And then there s one blue marble in the bag.

P red ask for details. 60 of the marbles are blue ha your task is to guess which of the two conditions is in fact true. How many marbles total are in the bag. Finally since there are only red and blue marbles in the bag we can say that r b t.

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 is an equal number of red and blue marbles h0 or. So i could pick that red marble or that red marble.