Marbles In A Bag Question

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 question. Show with the aid of a math drawing and percent table. There is an equal number of red and blue marbles h0 or 2. He puts the marbles into a bag mixes the marbles and randomly picks one marble. A bag contains 100 marbles.

The probability of picking a yellow marble. If i randomly pick 5 marbles out of the bag what is the probability that 3 of those 5 marbles are red. 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. Each marble is either red or blue.

A bag of marbles can be divided evenly among two three or four friends. In this bag with x 2 5 marbles total x 1 are red. Bag b contains 9 black marbles and 6 orange marbles. How many marbles are in the bag.

There are 7 marbles w dots interior the bag 2 purple and 5 yellow. Jeff has 8 red marbles 6 blue marbles and 4 green marbles that are the same size and shape. There are 10 marbles in a bag. Aug 23 2014 1 zz specs.

How many green marbles are in a bag if the probability of picking a green one is 3 10 347021 1. What is the probability that the marble will be blue. One of two conditions exists with respect to the number of red and blue marbles. You have a bag which contains only red and green marbles.

Answers and replies. 5 points there are 10 marbles in a bag. Marbles in a bag probability question thread starter zz specs. Find the probability of selecting one green marble from bag a and one black marble from bag b.

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. Later the teacher randomly selects a different student to. Also x 3 marbles have a scratch on them.

60 of the marbles are blue ha your task is to guess which of the two conditions is in fact true. The probability of drawing a red marble from the original bag is equal to that. Start date aug 23 2014. There are 30 blue marbles in a bag which is 40 of the marbles in the bag.

Bag a contains 9 red marbles and 3 green 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. Let s pretend i have a bag of 40 marbles.