Probablity Bag Of Marbles

For example a marble may be taken from a bag with 20 marbles and then a second marble is taken without replacing the first marble.

Probablity bag of marbles. What are the chances of getting a blue marble. Probability of each event green marbles blue marbles total of marbles p1 15 25 125 40 125 second event assumes a blue or green was chosen for first event so there is one fewer marble on top and also one fewer marble in the total number of marbles. Bag a contains two white marbles bag b contains two black marbles and bag c contains one white marble and one black marble. It is a white marble.

2 blue and 3 red marbles are in a bag. If we got a blue marble before then the chance of a blue marble. The probability of picking a yellow marble. Find the probability of pulling a yellow marble from a bag with 3 yellow 2 red 2 green and 1 blue i m assuming marbles.

If we got a red marble before then the chance of a blue marble next is 2 in 4. But after taking one out the chances change. You pick a random bag and take out one marble. This is called probability without replacement or dependent probability.

The sample space for the second event is then 19 marbles instead of 20 marbles. So the next time. What is the probability that the remaining marble from the same bag is also white. The chance is 2 in 5.

Marbles in a bag.