A Box Contains 2 Red Marbles And 8 Blue Ones

Another way to think about it is a red or green marble because the only other two colors we have are red and green.

A box contains 2 red marbles and 8 blue ones.

A box contains 3 blue and 2 red marbles while another box contains 2 blue and 5 red marbles. Answer by robertb 5567 show source. A box contains 7 red marbles 5 blue marbles and 8 green marbles. So i could pick that green marble or that green marble.

What is the probability that it came from the first box. A bag contains 1 blue 2 green 3 yellow and 3 red marbles as shown. A box contains 2 red marbles and 98 blue ones. 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.

John picks up two marbles at a random from the the bag. There are two boxes. Mc011 1 jpg what is the probability of drawing a red marble out of the bag without looking. The following experiment is done a hundred times.

So this is all the possible outcomes. Explain and justify each step carefully. These are clearly all yellow. So how many non blue marbles are there.

Mc011 2 jpg mc011 3 jpg mc011 4 jpg mc011 5 jpg. So there are going to be 14 minus 2 which is 12 non blue marbles. There s two green marbles in the bag. A marble drawn at random from one of the boxes turns out to be blue.

There s one blue marble. What s the fewest number of draws i have to make in order to have better than a 70 chance for a red marble to appear at least once. Draws are made at random with replacement. Asked by will on march 30 2019.

There s two red marbles in the bag. A marble is randomly drawn from one of the boxes its color. So i could pick that red marble or that red marble. The red box contains four red marbles and one blue marble and the blue box contains five blue marbles and three red marbles.