Blue Andred Marbles Bag Problem

A bag contains blue marbles and red marbles 71 in total.

Blue andred marbles bag problem.

Initially blue marbles red marbles x then john. John took out 5 blue marbles and then there were twice as many red marbles as blue marbles in the bag. How many red marbles are there in the bag. Find an online tutor now choose an expert and meet online.

If the first marble drawn was a red marble what is the chance that the second draw is a blue marble. So simple multiplication will give the desired probability. How many blue marbles are there. What fraction of the marbles in the bag are blue.

You reach into the bag and draw a marble and then draw another marble without replacing the first one. Initially there were the same number of blue marbles and red marbles in a bag. A bag has 3 blue marbles and 4 red marbles. A bag contains 4 red marbles and 2 blue marbles.

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. The sample space for the second event is then 19 marbles instead of 20 marbles. 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.

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. So frac 4 7 of the marbles are now 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. This is called probability without replacement or dependent probability.

You draw a marble at random without replacement until the first blue marble is drawn. 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. No packages or subscriptions pay only for the time you need. So they say the probability i ll just say p for probability.

Get a free answer to a quick problem. 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 number of blue marbles is 1 less than 3 times the number of red marbles. Let x red marbles.

The probability of picking a yellow marble. A bag has 16 blue 20 red and 24 green marbles. Most questions answered within 4 hours.