P Purple Marble Then A Red Marble With Replace

B find the probabilities for p at least one black marble p same color p bw p exactly one black marble.

P purple marble then a red marble with replace. Once you have chosen the first marble there are only 7 left in the bag since we are doing this without replacement so the probability that the second marble is red given that there are 3 red marbles remaining in the bag is. If joe picks 2. The probability of picking a yellow marble. You draw 4 marbles out at random without replacement.

Then a second marble is chosen at random. The chance is 2 in 5. A bag contains 9 red marbles 8 white marbles and 6 blue marbles. A marble is chosen at random from the jar and replaced.

There are 8 total in the bag and 5 of them are purple so the probability that the first one is purple is. To find the probability of pulling out a blue marble we just divide the amount of blue marbles we have by the total marbles in the jar. If we got a blue marble before then the chance of a blue marble next is 1 in 4. So they say the probability i ll just say p for probability.

3 yellow marbles and 2 black marbles. So what we do is figure out the probability of pulling out a blue marble and then the probability of pulling out another after not replacing the first. 1 out of 5 b. What are the chances of getting a blue marble.

Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles. 5 green marbles and 4 yellow marbles in a bag. A red or blue marble. What is the p purple red answer choices.

And so this is sometimes the event in question right over here is picking the yellow marble. But after taking one out the chances change. So the next time. This means the first two are not red.

What is the probability that you draw. 4 p red 2 p purple 3 p black 1 you draw a marble out of the bag and then replace it. A draw the tree diagram for the experiment. 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 red marble before then the chance of a blue marble next is 2 in 4. 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. Find the probability of the first marble being green and the second marble being yellow. A black marble first and a purple marble second.

We calculated p drawing a non red 455. What is the probability the third marble is the first red marble. A red marble first and a blue marble second. Find the probability of choosing 3 blue.

The first red a jar contains 30 red marbles 12 yellow marbles 8 green marbles and 5 blue marbles you draw and replace marbles 3 times.