Marble Probability Word Problems

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.

Marble probability word problems.

Probability questions with solutions. Tutorial on finding the probability of an event. A a red marble. This activity shows the classic marble example of elementary probability.

A marble is picked at random from the bag. A an odd number. And so this is sometimes the event in question right over here is picking the yellow marble. Determine the probability that the number will be.

What is the probability of her passing the second test given that she has passed the first test. So the probability of drawing a white marble can now be approached like any other single event probability calculation. Change the number of marbles of different colors in the boxes and guess the probability of drawing a red blue or yellow marble. So they say the probability i ll just say p for probability.

So the next event depends on what happened in the previous event and is called dependent. A bag contains red and blue marbles. Problems demonstrate non conditional and cond. A bag is filled with r.

Ask question asked 7 years 11 months ago. So in our example the probability of drawing a white marble is 11 20. 11 20 0 55 or 55. The probability of selecting a red marble and then a blue marble is 0 28.

Probability word problems with marbles. C a red marble after a blue marble had been picked first. 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.

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. This math education video demonstrates how to calculate the probability of removing colored marbles from a bag. The probability of selecting a red marble on the first draw is 0 5. What is the probability of picking.

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 contains 50 marbles 28 red ones and 22 blue ones. Two marbles are drawn without replacement. Once you have decided on your answers click the answers checkboxes to see if you are right.

Viewed 7k times 1 begingroup. Divide 11 number of positive outcomes by 20 number of total events to get the probability. Subscribe for new videos. A two digit number is written at random.