Marbles In A Bag Question

There are 10 marbles in a bag.

Marbles in a bag question.

The probability of picking a yellow marble. How many marbles are in the bag. The teacher randomly selects one student to answer a question. Jeff has 8 red marbles 6 blue marbles and 4 green marbles that are the same size and shape.

19 marbles are red 21 marbles are blue. A bag contains 100 marbles. One of two conditions exists with respect to the number of red and blue 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.

Show with the aid of a math drawing and percent table. There is an equal number of red and blue marbles h0 or 2. Later the teacher randomly selects a different student to. How many green marbles are in a bag if the probability of picking a green one is 3 10 347021 1.

Also x 3 marbles have a scratch on them. Bag a contains 9 red marbles and 3 green marbles. Marbles in a bag probability question thread starter zz specs. Bag b contains 9 black marbles and 6 orange marbles.

Let s pretend i have a bag of 40 marbles. Start date aug 23 2014. He puts the marbles into a bag mixes the marbles and randomly picks one marble. 5 points there are 10 marbles in a bag.

And so this is sometimes the event in question right over here is picking the yellow marble. What is the probability that the marble will be blue. Answers and replies. 60 of the marbles are blue ha your task is to guess which of the two conditions is in fact true.

Find the probability of selecting one green marble from bag a and one black marble from bag b. A bag of marbles can be divided evenly among two three or four friends. It would be helpful if pupils had a sheet of marbles to cut out so that they could physically move or group them. There are 7 marbles w dots interior the bag 2 purple and 5 yellow.

In this bag with x 2 5 marbles total x 1 are red. So they say the probability i ll just say p for probability. The probability of drawing a red marble from the original bag is equal to that. Aug 23 2014 1 zz specs.

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.