Aug 23 2014 1 zz specs.
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.
Jeff has 8 red marbles 6 blue marbles and 4 green marbles that are the same size and shape.
He puts the marbles into a bag mixes the marbles and randomly picks one marble.
How many marbles are in the bag.
It would be helpful if pupils had a sheet of marbles to cut out so that they could physically move or group them.
Let s pretend i have a bag of 40 marbles.
The probability of drawing a red marble from the original bag is equal to that.
5 points there are 10 marbles in a bag.
Each marble is either red or blue.
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.
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.
Show with the aid of a math drawing and percent table.
Marbles in a bag probability question thread starter zz specs.
The probability of picking a yellow marble.
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.
One of two conditions exists with respect to the number of red and blue marbles.
Answers and replies.
You have a bag which contains only red and green marbles.
There is an equal number of red and blue marbles h0 or 2.
Bag b contains 9 black marbles and 6 orange marbles.
Also x 3 marbles have a scratch on them.
There are 10 marbles in a bag.
Bag a contains 9 red marbles and 3 green marbles.
A bag of marbles can be divided evenly among two three or four friends.
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.
What is the probability that the marble will be blue.
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.
A bag contains 100 marbles.
Start date aug 23 2014.
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.
There are 7 marbles w dots interior the bag 2 purple and 5 yellow.
