Both events are independent.
A bag of marbles contains 12 red marbles.
Y event of getting second marble as yellow.
B find probabilities for p bb p br p rb p ww p at least one red p exactly one red 3.
Solution for a bag contains 6 red marbles and 4 black marbles.
Jon selects a marble replaces it then selects another marble.
A jar contains 4 black marbles and 3 red marbles.
The probability of consecutively choosing two red marbles and a green marble without replacement the probability of consecutively choosing a red and.
A bag of marbles contains 7 red 5 blue 4 green and 2 yellow marbles.
A bag contains 75 marbles that are red blue or green.
The probability of picking a yellow marble.
Asked 03 20 15 there are some marbles in a bag 18 are blue and 12 are red.
A bag contains 50 marbles 10 of which are blue 8 are red 20 are green and 12 are purple.
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.
Event of getting first marble as red.
Two marbles are drawn randomly from the bag without replacing the marbles.
Write the ratio in blue to red.
Probability of getting first marble as red.
The ratio of red to blue marbles is 15 7 and the ratio of blue to green marbles is 7 3.
Total number of marbles 6 white 5 red 11 marbles a if they can be of any colour means we have to select 4 marbles out of 11 required number of ways 11 c 4 b two white marbles can be selected in 6 c 2 two red marbles can be selected in 5 c 2 ways.
Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles.
Total number of ways 6 c 2 x 5 c 2 15 x 10 150 c if they all must be of same colour.
Two marbles are drawn without replacement.
If 2 blue marbles are removed and replaced with 2 green marbles what will be the new ratio of red to green marbles.
5 of the marbles are red 3 are green and the rest are blue.
So they say the probability i ll just say p for probability.
A draw the tree diagram for the experiment.