A Box Contains 2 Red Marbles And 8 Blue Ones

Answer by robertb 5567 show source.

A box contains 2 red marbles and 8 blue ones.

The following experiment is done a hundred times. So there are going to be 14 minus 2 which is 12 non blue marbles. A marble drawn at random from one of the boxes turns out to be blue. A box contains 3 blue and 2 red marbles while another box contains 2 blue and 5 red marbles.

So this is all the possible outcomes. 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. There s two green marbles in the bag. 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.

Draws are made at random with replacement. Mc011 2 jpg mc011 3 jpg mc011 4 jpg mc011 5 jpg. These are clearly all yellow. And then there s one blue marble in the bag.

Asked by will on march 30 2019. A bag contains 1 blue 2 green 3 yellow and 3 red marbles as shown. There are two boxes. John picks up two marbles at a random from the the bag.

A box contains 2 red marbles and 98 blue ones. So how many non blue marbles are there. What is the probability that it came from the first box. There s two red marbles in the bag.

Mc011 1 jpg what is the probability of drawing a red marble out of the bag without looking. A box contains 7 red marbles 5 blue marbles and 8 green marbles. Explain and justify each step carefully. There s one blue marble.

You could say there s 14 total marbles. A marble is randomly drawn from one of the boxes its color. The red box contains four red marbles and one blue marble and the blue box contains five blue marbles and three red marbles. So i could pick that red marble or that red marble.