Marbles In A Bag Question

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.

Marbles in a bag question.

What is the probability that the marble will be blue. Each marble is either red or blue. Let s pretend i have a bag of 40 marbles. Bag a contains 9 red marbles and 3 green marbles.

There are 30 blue marbles in a bag which is 40 of the marbles in the bag. Find the probability of selecting one green marble from bag a and one black marble from bag b. He puts the marbles into a bag mixes the marbles and randomly picks one marble. A bag contains 100 marbles.

Bag b contains 9 black marbles and 6 orange marbles. How many marbles are in the bag. Start date aug 23 2014. Jeff has 8 red marbles 6 blue marbles and 4 green marbles that are the same size and shape.

There are 7 marbles w dots interior the bag 2 purple and 5 yellow. If i randomly pick 5 marbles out of the bag what is the probability that 3 of those 5 marbles are red. It would be helpful if pupils had a sheet of marbles to cut out so that they could physically move or group them. A bag of marbles can be divided evenly among two three or four friends.

The teacher randomly selects one student to answer a question. There are 10 marbles in a bag. The probability of drawing a red marble from the original bag is equal to that. Answers and replies.

Aug 23 2014 1 zz specs. 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. 19 marbles are red 21 marbles are blue. Marbles in a bag probability question thread starter zz specs.

In this bag with x 2 5 marbles total x 1 are red. You have a bag which contains only red and green marbles. So they say the probability i ll just say p for probability. Later the teacher randomly selects a different student to.

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. And so this is sometimes the event in question right over here is picking the yellow marble. 60 of the marbles are blue ha your task is to guess which of the two conditions is in fact true. How many green marbles are in a bag if the probability of picking a green one is 3 10 347021 1.

5 points there are 10 marbles in a bag. Also x 3 marbles have a scratch on them. The probability of picking a yellow marble.