A Bag Of Marbles Contains 12 Red Marbles

Two marbles are drawn randomly from the bag without replacing the marbles.

A bag of marbles contains 12 red marbles.

Write the ratio in blue to red. Jon selects a marble replaces it then selects another marble. 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 bag of marbles contains 7 red 5 blue 4 green and 2 yellow marbles. Two marbles are drawn without replacement. 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 50 marbles 10 of which are blue 8 are red 20 are green and 12 are purple.

5 of the marbles are red 3 are green and the rest are blue. Total marbles 7 5 4 2 18. B find probabilities for p bb p br p rb p ww p at least one red p exactly one red 3. The ratio of red to blue marbles is 15 7 and the ratio of blue to green marbles is 7 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. A draw the tree diagram for the experiment. Total number of ways 6 c 2 x 5 c 2 15 x 10 150 c if they all must be of same colour.

So they say the probability i ll just say p for probability. Asked 03 20 15 there are some marbles in a bag 18 are blue and 12 are red. Solution for a bag contains 6 red marbles and 4 black marbles. And so this is sometimes the event in question right over here is picking the yellow marble.

If 2 blue marbles are removed and replaced with 2 green marbles what will be the new ratio of red to green marbles. Probability of getting first marble as red. Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles. The probability of picking a yellow marble.

A bag contains 75 marbles that are red blue or green.