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.

Probability of getting first marble as red. A bag contains 75 marbles that are red blue or green. Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles. A bag contains 50 marbles 10 of which are blue 8 are red 20 are green and 12 are purple.

The probability of picking a yellow marble. So they say the probability i ll just say p for probability. Two marbles are drawn without replacement. A bag of marbles contains 7 red 5 blue 4 green and 2 yellow marbles.

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. If 2 blue marbles are removed and replaced with 2 green marbles what will be the new ratio of red to green marbles. A draw the tree diagram for the experiment.

And so this is sometimes the event in question right over here is picking the yellow marble. Write the ratio in blue to red. Event of getting first marble as red. Both events are independent.

The ratio of red to blue marbles is 15 7 and the ratio of blue to green marbles is 7 3. A bag contains 12 marbles. Solution for a bag contains 6 red marbles and 4 black marbles. 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. Asked 03 20 15 there are some marbles in a bag 18 are blue and 12 are red. 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.

Total marbles 7 5 4 2 18.