Marble Probability Word Problems

What is the probability of her passing the second test given that she has passed the first test.

Marble probability word problems.

A a red marble. A bag is filled with r. Active 7 years 11 months ago. A two digit number is written at random.

Ask question asked 7 years 11 months ago. So they say the probability i ll just say p for probability. So the probability of drawing a white marble can now be approached like any other single event probability calculation. In what follows s is the sample space of the experiment in question and e is the event of interest.

The probability of picking a yellow marble. Once you have decided on your answers click the answers checkboxes to see if you are right. Probability questions with solutions. This activity shows the classic marble example of elementary probability.

11 20 0 55 or 55. B a blue marble. Divide 11 number of positive outcomes by 20 number of total events to get the probability. A marble is picked at random from the bag.

Determine the probability that the number will be. What is the probability of picking. 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. N s is the number of elements in the sample space s and n e is the number of elements in the event e.

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. And so this is sometimes the event in question right over here is picking the yellow marble. Subscribe for new videos.

Tutorial on finding the probability of an event. Probability word problems with marbles. A bag contains red and blue marbles. 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.

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. The probability of selecting a red marble on the first draw is 0 5. C a red marble after a blue marble had been picked first. This math education video demonstrates how to calculate the probability of removing colored marbles from a bag.

Viewed 7k times 1 begingroup. Two marbles are drawn without replacement. A bag contains 50 marbles 28 red ones and 22 blue ones. Change the number of marbles of different colors in the boxes and guess the probability of drawing a red blue or yellow marble.