Red And Blue Marbles Probability
So they say the probability i ll just say p for probability.
Red and blue marbles probability. Then our chances for picking a red one are. Marbles in a bag. Say we put all the red marbles into jar a and all the blue ones into jar b. B find probabilities for p bb p br p rb p ww p at least one red p exactly one red 3.
If we got a blue marble before then the chance of a blue marble. Put one blue marble in one jar and put the rest of the marbles in the other jar. Two marbles are drawn without replacement. A draw the tree diagram for the experiment.
A jar contains 4 black marbles and 3 red marbles. The probability is 5 20 1 4. You could also express this as 0 25 or 25. 2 blue and 3 red marbles are in a bag.
You can arrange the marbles however you like but each marble must be in a jar. A marble is drawn at random from the jar. 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. Let p blue probability of picking a blue marble.
So the next time. A the marble is red b the marble is red or odd numbered c the marble is blue and even numbered answer by ikleyn 33701 show source. A jar contains 12 red marbles numbered 1 to 12 and 6 blue marbles numbered 1 to 6. What are the chances of getting a blue marble.
Find the probability of the given event. Jar 1 contains 1 blue marble and jar 2 contains 99 blue marbles and 100 red marbles. This will give you just about a 75 chance of picking a blue marble. The probability of picking a yellow marble.
If a marble is drawn from the jar at random what is the probability that this marble is red. 1 2 chance we pick jar a 50 50 chance we pick a red marble 1 2 chance we pick jar b 0 50 chance we pick a red marble. 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. The chance is 2 in 5.
But after taking one out the chances change. And so this is sometimes the event in question right over here is picking the yellow marble. A jar contains 4 blue marbles 5 red marbles and 11 white marbles. Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles.