Marble Probability Word Problems

Two marbles are drawn without replacement.

Marble probability word problems.

Change the number of marbles of different colors in the boxes and guess the probability of drawing a red blue or yellow marble. A marble is picked at random from the bag. A bag contains red and blue marbles. A bag contains 50 marbles 28 red ones and 22 blue ones.

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. Ask question asked 7 years 11 months ago. 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. The probability of selecting a red marble on the first draw is 0 5.

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. A bag is filled with r.

In what follows s is the sample space of the experiment in question and e is the event of interest. Probability word problems with 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. Once you have decided on your answers click the answers checkboxes to see if you are right.

Problems demonstrate non conditional and cond. Probability questions with solutions. So the probability of drawing a white marble can now be approached like any other single event probability calculation. Viewed 7k times 1 begingroup.

B a blue marble. Subscribe for new videos. This activity shows the classic marble example of elementary probability. So the next event depends on what happened in the previous event and is called dependent.

So in our example the probability of drawing a white marble is 11 20. C a red marble after a blue marble had been picked first. The probability of picking a yellow marble. Determine the probability that the number will be.

Tutorial on finding the probability of an event. Divide 11 number of positive outcomes by 20 number of total events to get the probability. This math education video demonstrates how to calculate the probability of removing colored marbles from a bag. A two digit number is written at random.

Active 7 years 11 months ago. A an odd number. And so this is sometimes the event in question right over here is picking the yellow marble. What is the probability of picking.