Probability Of At Least 3 Blue Marbles

It s easier to calculate the probability of getting no red marbles and subtract that from 1 we use the.

Probability of at least 3 blue marbles. The problem asks for the probability of rr or bb. Total number of marbles in the bag is 3 4 7. For br the probability of a blue on the first draw is 3 8 and given no replacement the probability of a red on the second draw given a blue on the first is 5 7. A draw the tree diagram for the experiment.

At least 1 red a jar contains 30 red marbles 12 yellow marbles 8 green marbles and 5 blue marbles what is the probability that you draw and replace marbles 3 times and you get at least 1 red. The probability that all the marbles are red is b. What are the chances of getting a blue marble. But after taking one out the chances change.

The probability that exactly 1 of the 4 marbles drawn is blue is. 3 however you also gave the probability of drawing two blue marbles among an additional two drawn given 3 red were previously removed. So they say the probability i ll just say p for probability. A bag contains 3 red marbles and 4 blue marbles.

The chance is 2 in 5. Another marble is taken from the bag. So the next time. Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles.

A jar contains 4 black marbles and 3 red marbles. Someone please help me get this. Two marbles are drawn without replacement. 2 you gave the probability of drawing exactly three red marbles among three marbles drawn not as you claimed the probability of drawing at least three red marbles among five.

A bag contains 8 red marbles 7 white marbles and 7 blue marbles. And so this is sometimes the event in question right over here is picking the yellow marble. Work out the probability that the two marbles taken from the bag are the same color. If we got a red marble before then the chance of a blue marble next is 2 in 4.

If we got a blue marble before then the chance of a blue marble. You draw 3 marbles out at random without replacement. The probability that none of the marbles are red is. Betty picks 4 random marbles from a bowl containing 3 white 4 yellow and 5 blue marbles.

Probability of at least two 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. The probability that at least 1 of the 4 marbles drawn is white is. A marble is taken at random and replaced.

Random sampling with replacement. Marbles in a bag. What is the probability of picking at least 2 red marbles in 3 draws. The probability of picking a yellow marble.

B find probabilities for p bb p br p rb p ww p at least one red p exactly one red 3. 2 blue and 3 red marbles are in a bag. To get two different colors you need to draw either br or rb. Find the following probabilities and round to 4 decimal places a.