So the next time.
Combination probability marbles.
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.
Selecting k objects from n objects is given by.
Each marble is labeled with a number so they can be distinguished.
How to solve combination problems that involve selecting groups based on conditional criteria.
Yellow 1 yellow 2 bag 1 blue 1 blue 2 bag 2 red 1 red 2 bag 3 how many combination are there for picking 2 different color with the label in mind.
There are 55 marbles 25 of which are not red p getting a color other than red p 25 55 455 probability of this happening 3 times in a row is.
4 red 3 blue 4 green and 3 yellow making 14 total marbles.
What are the chances of getting a blue marble.
How many sets groups of 4 marbles are possible.
The probability of picking a yellow marble.
In part a above we looked at all possible draws from that list we only want the ones that contain only red.
If we got a blue marble before then the chance of a blue marble next is 1 in 4.
Combinations losing your marbles.
A bag of marbles containing 4 white marbles and 6 red marbles.
Probability examples a jar contains 30 red marbles 12 yellow marbles 8 green marbles and 5 blue marbles what is the probability that you draw and replace marbles 3 times and you get no red marbles.
This would be a combination problem because a draw would be a group of marbles without regard to order it is like grabbing a handful of marbles and looking at them.
But after taking one out the chances change.
But what if the marbles are labeled with number like this.
The chance is 2 in 5.
From 3 green balls we can select 1 green marble in 3c1.
So they say the probability i ll just say p for probability.
If we randomly select two marbles from the bag what is the probability that the selected marbles are of different colors in other words one white and one red.
If we got a red marble before then the chance of a blue marble next is 2 in 4.
Marbles in a bag.
2 blue and 3 red marbles are in a bag.
And so this is sometimes the event in question right over here is picking the yellow marble.
Probability of selecting marbles.
I know the number of combination of picking 2 different color marble out of 3 bags is just 3 pick 2 3.
