Probability Of Picking 3 Red Marbles

A jar contains 4 black marbles and 3 red marbles.

Probability of picking 3 red marbles. The probability is 1 3 for each of these. A draw the tree diagram for the experiment. Find the probability of picking a red or yellow marble from a bag containing 6 red 2 green and 3 yellow marbles. What is the probability of spinning and landing on a color that is not yellow.

At least 1 red. A spinner has 8 sections. What is the probability of picking out a purple marble. 2 purple 2 yellow 3 blue and 1 red.

The correct answer is option a 3 95 the probability of picking a green ball marble at first is 4 20 total number of green marbles total number of marbles present. One ball is picked out and not replaced and then another ball is picked out. And so this is sometimes the event in question right over here is picking the yellow marble. If a red ball is picked out there will be two balls left a yellow and blue.

I believe this is an exclusive event. The first ball can be red yellow or blue. The probability of picking a yellow marble. Since the first green marble is not returned the probability of picking another green marble 3 19 multiply both results 4 20 3 19 12 380 3 95.

B find probabilities for p bb p br p rb p ww p at least one red p exactly one red 3. Red yellow and blue. There are 55 marbles 25 of which are not red p getting a color other than red p 25 55 455 probability of this happening 3 times in a row is found by 455 455 455 094 example 2. 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.

P a red marbles 6 11. Two marbles are drawn without replacement. There are 3 balls in a bag. Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles.

3 blue 2 yellow 4 red and 1 purple.