Blue Andred Marbles Bag Problem

The probability of picking a yellow marble.

Blue andred marbles bag problem.

Let x red marbles. Answer by fombitz 32378 show source. A bag has 16 blue 20 red and 24 green marbles. What is the chance that the first draw is a red marble.

So they say the probability i ll just say p for probability. John took out 5 blue marbles and then there were twice as many red marbles as blue marbles in the bag. A bag has 3 blue marbles and 4 red marbles. So frac 4 7 of the marbles are now red.

The number of blue marbles is 1 less than 3 times the number of red marbles. Initially there were the same number of blue marbles and red marbles in a bag. If the first marble drawn was a red marble what is the chance that the second draw is a blue marble. For example a marble may be taken from a bag with 20 marbles and then a second marble is taken without replacing the first marble.

The sample space for the second event is then 19 marbles instead of 20 marbles. Find an online tutor now choose an expert and meet online. How many red marbles are there in the bag. How many blue marbles are there.

Let x the number of draws. You reach into the bag and draw a marble and then draw another marble without replacing the first one. No packages or subscriptions pay only for the time you need. Initially blue marbles red marbles x then john.

Get a free answer to a quick problem. A bag contains 4 red marbles and 2 blue marbles. You draw a marble at random without replacement until the first blue marble is drawn. Most questions answered within 4 hours.

What fraction of the marbles in the bag are blue. So simple multiplication will give the desired probability. And so this is sometimes the event in question right over here is picking the yellow marble. With our new ratio of 3 4 for blue marbles to red marbles this means that 4 out of every 7 marbles in the bag are red.

2 making a table 6 rp 3a 6 ee 7 we are given that for every three blue marbles in the bag there are two red marbles. A if you repeated this experiment a very large number of times on average how many draws would you make before a blue marble was drawn. 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.