Marbles In A Bag Question

He puts the marbles into a bag mixes the marbles and randomly picks one marble.

Marbles in a bag question.

If i randomly pick 5 marbles out of the bag what is the probability that 3 of those 5 marbles are red. Show with the aid of a math drawing and percent table. There is an equal number of red and blue marbles h0 or 2. There are 10 marbles in a bag.

Later the teacher randomly selects a different student to. Also x 3 marbles have a scratch on them. You have a bag which contains only red and green marbles. 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. And so this is sometimes the event in question right over here is picking the yellow marble. Marbles in a bag probability question thread starter zz specs. Answers and replies.

Jeff has 8 red marbles 6 blue marbles and 4 green marbles that are the same size and shape. Let s pretend i have a bag of 40 marbles. 60 of the marbles are blue ha your task is to guess which of the two conditions is in fact true. Aug 23 2014 1 zz specs.

The probability of drawing a red marble from the original bag is equal to that. It would be helpful if pupils had a sheet of marbles to cut out so that they could physically move or group them. In this bag with x 2 5 marbles total x 1 are red. 19 marbles are red 21 marbles are blue.

Find the probability of selecting one green marble from bag a and one black marble from bag b. So they say the probability i ll just say p for probability. The probability of picking a yellow marble. How many green marbles are in a bag if the probability of picking a green one is 3 10 347021 1.

Each marble is either red or blue. 5 points there are 10 marbles in a bag. Start date aug 23 2014. There are 30 blue marbles in a bag which is 40 of the marbles in the bag.

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. 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. How many marbles are in the bag. A bag contains 100 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. A bag of marbles can be divided evenly among two three or four friends. There are 7 marbles w dots interior the bag 2 purple and 5 yellow.