So they say the probability i ll just say p for probability.
Marbles in a bag question.
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.
How many green marbles are in a bag if the probability of picking a green one is 3 10 347021 1.
You have a bag which contains only red and green marbles.
Start date aug 23 2014.
There is an equal number of red and blue marbles h0 or 2.
In this bag with x 2 5 marbles total x 1 are red.
And so this is sometimes the event in question right over here is picking the yellow marble.
A bag of marbles can be divided evenly among two three or four friends.
19 marbles are red 21 marbles are blue.
The probability of picking a yellow marble.
5 points there are 10 marbles in a bag.
Marbles in a bag probability question thread starter zz specs.
If i randomly pick 5 marbles out of the bag what is the probability that 3 of those 5 marbles are red.
Let s pretend i have a bag of 40 marbles.
Find the probability of selecting one green marble from bag a and one black marble from bag b.
The teacher randomly selects one student to answer a question.
What is the probability that the marble will be blue.
How many marbles are in the bag.
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.
There are 7 marbles w dots interior the bag 2 purple and 5 yellow.
Also x 3 marbles have a scratch on them.
A bag contains 100 marbles.
Jeff has 8 red marbles 6 blue marbles and 4 green marbles that are the same size and shape.
There are 30 blue marbles in a bag which is 40 of the marbles in the bag.
Each marble is either red or blue.
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.
Later the teacher randomly selects a different student to.
One of two conditions exists with respect to the number of red and blue marbles.
It would be helpful if pupils had a sheet of marbles to cut out so that they could physically move or group them.
The probability of drawing a red marble from the original bag is equal to that.
Answers and replies.
He puts the marbles into a bag mixes the marbles and randomly picks one marble.
Bag b contains 9 black marbles and 6 orange marbles.
Aug 23 2014 1 zz specs.
60 of the marbles are blue ha your task is to guess which of the two conditions is in fact true.