Marbles In A Bag Question

Let s pretend i have a bag of 40 marbles.

Marbles in a bag question.

Later the teacher randomly selects a different student to. If i randomly pick 5 marbles out of the bag what is the probability that 3 of those 5 marbles are red. Bag b contains 9 black marbles and 6 orange marbles. The probability of picking a yellow marble.

Find the probability of selecting one green marble from bag a and one black marble from bag b. Answers and replies. You have a 7 15 risk of choosing one among those for the duration of each and each of your attracts so the risk of choosing 3 of them in a row is 7 15 7 15 7 15 10. The probability of drawing a red marble from the original bag is equal to that.

60 of the marbles are blue ha your task is to guess which of the two conditions is in fact true. There are 7 marbles w dots interior the bag 2 purple and 5 yellow. 19 marbles are red 21 marbles are blue. And so this is sometimes the event in question right over here is picking the yellow marble.

The teacher randomly selects one student to answer a question. Show with the aid of a math drawing and percent table. Jeff has 8 red marbles 6 blue marbles and 4 green marbles that are the same size and shape. There is an equal number of red and blue marbles h0 or 2.

Also x 3 marbles have a scratch on them. There are 10 marbles in a bag. How many green marbles are in a bag if the probability of picking a green one is 3 10 347021 1. You have a bag which contains only red and green marbles.

Each marble is either red or blue. 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. Bag a contains 9 red marbles and 3 green marbles. He puts the marbles into a bag mixes the marbles and randomly picks one marble.

Aug 23 2014 1 zz specs. In this bag with x 2 5 marbles total x 1 are red. Start date aug 23 2014. What is the probability that the marble will be blue.

It would be helpful if pupils had a sheet of marbles to cut out so that they could physically move or group them. Marbles in a bag probability question thread starter zz specs. A bag contains 100 marbles. You might find it useful to print off this sheet which depicts four sets of the marbles in addition some children might benefit from having coloured pens to use so that they can record different marbles easily.

5 points there are 10 marbles in a bag. A bag of marbles can be divided evenly among two three or four friends. How many marbles are in the bag.