A Bag Of Marbles Contains 12 Red 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.

A bag of marbles contains 12 red 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. Y event of getting second marble as yellow. Jon selects a marble replaces it then selects another marble. Two marbles are drawn randomly from the bag without replacing the marbles.

Two marbles are drawn without replacement. The ratio of red to blue marbles is 15 7 and the ratio of blue to green marbles is 7 3. Total marbles 7 5 4 2 18. 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.

Write the ratio in blue to red. Probability of getting first marble as red. A bag contains 12 marbles. Solution for a bag contains 6 red marbles and 4 black marbles.

Both events are independent. A jar contains 4 black marbles and 3 red marbles. A bag contains 50 marbles 10 of which are blue 8 are red 20 are green and 12 are purple. 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. A draw the tree diagram for the experiment. Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles. And so this is sometimes the event in question right over here is picking the yellow marble.

A bag contains 75 marbles that are red blue or green. The probability of consecutively choosing two red marbles and a green marble without replacement the probability of consecutively choosing a red and. B find probabilities for p bb p br p rb p ww p at least one red p exactly one red 3. The probability of picking a yellow marble.

So they say the probability i ll just say p for probability.