Marbles In A Bag Question

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.

Marbles in a bag question. Show with the aid of a math drawing and percent table. 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 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.

You have a bag which contains only red and green marbles. The teacher randomly selects one student to answer a question. There are 30 blue marbles in a bag which is 40 of the marbles in the bag. He puts the marbles into a bag mixes the marbles and randomly picks one marble.

Later the teacher randomly selects a different student to. Marbles in a bag probability question thread starter zz specs. Aug 23 2014 1 zz specs. 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. What is the probability that the marble will be blue. How many green marbles are in a bag if the probability of picking a green one is 3 10 347021 1. Bag b contains 9 black marbles and 6 orange 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. Let s pretend i have a bag of 40 marbles. How many marbles are in the bag. 19 marbles are red 21 marbles are blue.

There are 7 marbles w dots interior the bag 2 purple and 5 yellow. 5 points there are 10 marbles in a bag. Find the probability of selecting one green marble from bag a and one black marble from bag b. One of two conditions exists with respect to the number of red and blue marbles.

The probability of drawing a red marble from the original bag is equal to that. There are 10 marbles in a bag. There is an equal number of red and blue marbles h0 or 2. Start date aug 23 2014.

Jeff has 8 red marbles 6 blue marbles and 4 green marbles that are the same size and shape. Also x 3 marbles have a scratch on them. Each marble is either red or blue. Bag a contains 9 red marbles and 3 green marbles.

It would be helpful if pupils had a sheet of marbles to cut out so that they could physically move or group them. And so this is sometimes the event in question right over here is picking the yellow marble. If i randomly pick 5 marbles out of the bag what is the probability that 3 of those 5 marbles are red.