Blue Andred Marbles Bag Problem

How many blue marbles are there.

Blue andred marbles bag problem.

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. Initially blue marbles red marbles x then john. A bag has 3 blue marbles and 4 red marbles. How many red marbles are there in the bag.

So simple multiplication will give the desired probability. The probability of picking a yellow marble. A bag contains blue marbles and red marbles 71 in total. Initially there were the same number of blue marbles and red marbles in a bag.

Since the first marble is replaced before the second marble is drawn the colour of the second marble is independent of the colour of the first marble. So they say the probability i ll just say p for probability. You reach into the bag and draw a marble and then draw another marble without replacing the first one. Answer by fombitz 32378 show source.

The number of blue marbles is 1 less than 3 times the number of red marbles. So frac 4 7 of the marbles are now red. Let x the number of draws. 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.

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. 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. Most questions answered within 4 hours. A bag contains 4 red marbles and 2 blue marbles.

If the first marble drawn was a red marble what is the chance that the second draw is a blue marble. Find an online tutor now choose an expert and meet online. A bag has 16 blue 20 red and 24 green marbles. Let x red marbles.

The sample space for the second event is then 19 marbles instead of 20 marbles. No packages or subscriptions pay only for the time you need. You draw a marble at random without replacement until the first blue marble is drawn. Get a free answer to a quick problem.

And so this is sometimes the event in question right over here is picking the yellow marble. What is the chance that the first draw is a red marble. John took out 5 blue marbles and then there were twice as many red marbles as blue marbles in the bag.