Let x number of red marbles.
A bag contains 100 marbles some red.
A bag contains 100 marbles some red the rest blue.
R 3 2 100 r.
The probability of picking a yellow marble.
A bag contains 120 marbles.
1 if two marbles are selected from the bag the probability of selecting one red and one blue marble is 1 4 2 there are a total of 8 marbles in the bag.
The sample space for the second event is then 19 marbles instead of 20 marbles.
Marcie takes a marble out of the bag records the color and returns it to the bag.
If there are no more than one and on half times as many red marbles as blue ones in the bag at most how many red marbles are in the bag.
What is the probability that the sum of the two numbers on the dice will be 3.
Two 6 sided dice are rolled.
A bag contains 100 marbles some contains red the rest blue.
The ratio of red.
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So our equation piece of information becomes.
1 there are 19 red marbles every for black marble.
This statement gives us our first pirce of information.
Y number of black marbles.
B r 100.
If a marble is randomly selected from the bag what is the probability that it is blue.
At least how many blue ones are in the bag.
Number of red marbles number of blue marbles 100.
In some experiments the sample space may change for the different events.
A bag contains 70 marbles some red and some green.
And so this is sometimes the event in question right over here is picking the yellow marble.
For example a marble may be taken from a bag with 20 marbles and then a second marble is taken without replacing the first marble.
Q a bag contains some red and some blue marbles how many red marbles are in the bag.
If there are no more than 1 times as many red marbles as blue ones in the bag at most how many red marbles are in the bag.
A bag contains 100 marbles some red the rest blue.
R b 100 equation 1.
A bag contains 50 marbles 10 of which are blue 8 are red 20 are green and 12 are purple.
For ease of notation let r be the number of red marbles and b be number of blue 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.
5 points 80 100 120 200 i got 80.
A bag contains 5 blue balls and 4 red balls.
A bag contains 2 red marbles 3 blue marbles and 7 green marbles.
2 put value of x in 1 we get put y 6 in 2 we get hence there are 114 red marbles in the bag.