Show with the aid of a math drawing and percent table.
Marbles in a bag question.
The teacher randomly selects one student to answer a question.
There are 7 marbles w dots interior the bag 2 purple and 5 yellow.
There is an equal number of red and blue marbles h0 or 2.
The probability of drawing a red marble from the original bag is equal to that.
There are 30 blue marbles in a bag which is 40 of the marbles in the bag.
What is the probability that the marble will be blue.
There are 10 marbles in a bag.
Let s pretend i have a bag of 40 marbles.
So they say the probability i ll just say p for probability.
And so this is sometimes the event in question right over here is picking the yellow marble.
5 points there are 10 marbles in a bag.
How many marbles are in the bag.
Jeff has 8 red marbles 6 blue marbles and 4 green marbles that are the same size and shape.
Aug 23 2014 1 zz specs.
He puts the marbles into a bag mixes the marbles and randomly picks one marble.
19 marbles are red 21 marbles are blue.
In this bag with x 2 5 marbles total x 1 are red.
Answers and replies.
You have a bag which contains only red and green marbles.
60 of the marbles are blue ha your task is to guess which of the two conditions is in fact true.
It would be helpful if pupils had a sheet of marbles to cut out so that they could physically move or group them.
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.
Also x 3 marbles have a scratch on them.
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.
Find the probability of selecting one green marble from bag a and one black marble from bag b.
If i randomly pick 5 marbles out of the bag what is the probability that 3 of those 5 marbles are red.
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.
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.
A bag contains 100 marbles.
Bag b contains 9 black marbles and 6 orange marbles.
Each marble is either red or blue.
Bag a contains 9 red marbles and 3 green marbles.
