Total marbles 7 5 4 2 18.
A bag of marbles contains 12 red marbles.
Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles.
A jar contains 4 black marbles and 3 red marbles.
A bag of marbles contains 7 red 5 blue 4 green and 2 yellow marbles.
A bag contains 50 marbles 10 of which are blue 8 are red 20 are green and 12 are purple.
Probability of getting first marble as red.
Write the ratio in blue to red.
Asked 03 20 15 there are some marbles in a bag 18 are blue and 12 are red.
The probability of consecutively choosing two red marbles and a green marble without replacement the probability of consecutively choosing a red and.
A bag contains 75 marbles that are red blue or green.
A bag contains 12 marbles.
And so this is sometimes the event in question right over here is picking the yellow marble.
B find probabilities for p bb p br p rb p ww p at least one red p exactly one red 3.
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.
Total number of ways 6 c 2 x 5 c 2 15 x 10 150 c if they all must be of same colour.
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.
Y event of getting second marble as yellow.
A draw the tree diagram for the experiment.
Both events are independent.
So they say the probability i ll just say p for probability.
The probability of picking a yellow marble.
Two marbles are drawn without replacement.
Jon selects a marble replaces it then selects another marble.
The ratio of red to blue marbles is 15 7 and the ratio of blue to green marbles is 7 3.
5 of the marbles are red 3 are green and the rest are blue.