Subscribe for new videos.
Marble probability word problems.
Once you have decided on your answers click the answers checkboxes to see if you are right.
A two digit number is written at random.
A marble is picked at random from the bag.
The probability of selecting a red marble and then a blue marble is 0 28.
This activity shows the classic marble example of elementary probability.
Probability word problems with marbles.
C a red marble after a blue marble had been picked first.
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.
So in our example the probability of drawing a white marble is 11 20.
In what follows s is the sample space of the experiment in question and e is the event of interest.
Change the number of marbles of different colors in the boxes and guess the probability of drawing a red blue or yellow marble.
This math education video demonstrates how to calculate the probability of removing colored marbles from a bag.
Problems demonstrate non conditional and cond.
Probability questions with solutions.
What is the probability that you pick 3 green no red 1 of each at least 1 blue marble if a jar contains 5 blue 3 green and 4 red marbles.
Active 7 years 11 months ago.
A bag contains 50 marbles 28 red ones and 22 blue ones.
Divide 11 number of positive outcomes by 20 number of total events to get the probability.
A an odd number.
Two marbles are drawn without replacement.
A bag contains red and blue marbles.
So the probability of drawing a white marble can now be approached like any other single event probability calculation.
Viewed 7k times 1 begingroup.
The probability of picking a yellow marble.
What is the probability of picking.
B a blue marble.
Determine the probability that the number will be.
If we got a red marble before then the chance of a blue marble next is 2 in 4 if we got a blue marble before then the chance of a blue marble next is 1 in 4 this is because we are removing marbles from the bag.
A a red marble.
So the next event depends on what happened in the previous event and is called dependent.
Ask question asked 7 years 11 months ago.
So they say the probability i ll just say p for probability.
11 20 0 55 or 55.
N s is the number of elements in the sample space s and n e is the number of elements in the event e.
What is the probability of her passing the second test given that she has passed the first test.
A bag is filled with r.