A bucket contains 60 marbles some red some blue and sone white the percentage of drawing a red is 35 and the.
There are red and blue marbles in a jar.
The results of the experiment are recorded in the table.
Indeed we have these equations where r is the number of red marbles g is the number of green marbles and b is the number of blue marbles g b 6 1 all but 6 are red marbles r b 8 2 all but 8 are green marbles r g 4 3 all but 4 are blue marbles.
The same number of red and blue marbles were added to the jar.
You have two jars 50 red marbles and 50 blue marbles.
If the first two marbles are both blue what is the probability that the third marble will be red.
Ratio of red to blue marbles 3 5 a the quantity in column a is greater.
There are 19 more marbles other than the green marbles.
This means that the number of red marbles is 2 x since the red marbles are twice as more as the blue marbles.
A jar contains 10 red marbles and 20 blue marbles.
You can arrange the marbles however you like but each marble must be in a jar.
When picking you ll first randomly pick a jar and then randomly pick a marble out of that jar.
The ratio of red marbles to blue marbles in a jar is 3 5.
According to the experiment are all outcomes equally likely.
There are 73 marbles in the jar.
Let the number of blue marbles be x.
From the condition we can determine how many marbles of each color were there in the jar.
A random sample of n 3 marbles is selected from the jar.