Marbles In A Bag Probabilitty

There are 5 marbles in a bag.

Marbles in a bag probabilitty.

If we got a red marble before then the chance of a blue marble next is 2 in 4. Further if we assume that the first marble selected was red then 3 red marbles are left in the bag. Solution there are 5 in total 4 are blue so 4 5 or80 is it right. This math education video demonstrates how to calculate the probability of removing colored marbles from a bag.

Marbles in a bag. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. If we got a blue marble before then the chance of a blue marble. The chance is 2 in 5.

Bag b has 5 red marbles and 95 blue marbles. Or is the probability equal. So the next time. Bag a has 1 red marble and 99 blue marbles.

Thanks hello rubies. The probability of the first marble selected being red is the same as before 1 3 since total number of marbles and number of red marbles is the same. 2 blue and 3 red marbles are in a bag. P first red 1 3 after selecting the first marble 11 marbles are left in the bag.

Problems demonstrate non conditional and cond. If i pull out marbles 1 at a time from each bag simultaneously from which bag am i more likely to pull out all its red marbles first. Say i have 2 bags with 100 marbles in each. There are 5 marbles in a bag.

4 are blue and 1 is red. 4 are blue and 1 is red.