A Box Contains 2 Red Marbles And 8 Blue Ones

A bag contains 1 blue 2 green 3 yellow and 3 red marbles as shown.

A box contains 2 red marbles and 8 blue ones.

The following experiment is done a hundred times. Asked by will on march 30 2019. The red box contains four red marbles and one blue marble and the blue box contains five blue marbles and three red marbles. So this is all the possible outcomes.

Answer by robertb 5567 show source. And then there s one blue marble in the bag. These are clearly all yellow. There s one blue marble.

Draws are made at random with replacement. Mc011 1 jpg what is the probability of drawing a red marble out of the bag without looking. There s two green marbles in the bag. Mc011 2 jpg mc011 3 jpg mc011 4 jpg mc011 5 jpg.

John picks up two marbles at a random from the the bag. A box contains 2 red marbles and 98 blue ones. So i could pick that green marble or that green marble. A marble drawn at random from one of the boxes turns out to be blue.

What is the probability that it came from the first box. Another way to think about it is a red or green marble because the only other two colors we have are red and green. There s two red marbles in the bag. Explain and justify each step carefully.

You could say there s 14 total marbles. Well there s a couple ways to think about it. So how many non blue marbles are there. What is the probability that john has picked a pair of matching marbles a 1 19 b 15 90 c 7 19 d 59 190 e 2 190.

So there are going to be 14 minus 2 which is 12 non blue marbles. A box contains 7 red marbles 5 blue marbles and 8 green marbles. A marble is randomly drawn from one of the boxes its color. A box contains 3 blue and 2 red marbles while another box contains 2 blue and 5 red marbles.