answersLogoWhite

0


Best Answer

3/7*3/7= 9/49

User Avatar

Wiki User

14y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: A bag contains 4 red marbles and 3 black marbles You dram one marble look at it and put it back Then you draw one marble again What are your chances of getting 2 black marbles?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

A box contains 3 red marbles 6 blue marbles 12 green marbles and 4 purple marbles if a marble is drawn from the box what is the probability that it is red?

There are a total of 25 Marbles The chances are 3 out of 25 drawing a Red marble. 3/25 = 12% chance of drawing a red marble


A bag contains five green marbles and four red marbles what is the odds of in favor picking a green marble on the first selection?

There is a one in 2 chance of getting a green marble.


A bag contains 3 blue marbles 7 red marbles and 5 yellow marbles If Joe picks 1 marble from the bag at random what is the probability that it will be blue?

1 in 15 chances that the marble will be blue, because there are 15 marbles all together in a bag, and you are only picking one out of it.


A bag contains 4red marbles 2 white marbles a marble is selected kept out the bag and then another marble is selected what is the probability of selecting a red marble and then white marble?

2/6


What is the probablility of picking a green marble at random from a box that contains only 11 blue marbles?

The probability of picking a green marble from a box that only contains blue marbles is zero.


A bag contains 6 purple marbles and 7 white marbles Two marbles are drawn at random One marble is drawn and not replaced Then a second marble is drawn What is the probability that the first marble?

There are 13 marbles in total. The order is specified.P(1st is white and the 2ndis purple) = (7/13)(6/12) = (7/13)(1/2) = 7/26.


A bag contains 2 red marbles 3 blue marbles and 5 green marbles. if one marble is drawn from the bag what is the chance that the marble willbe red?

It is 2/10.


If a bag contains 4 green marbles an 4 yellow marbles 5 white marbles what would be more likely to pull a red marble or a white marble from the bag?

You would be more likely to pull out a white marble as there are no red marbles in the bag.


If a bag contains 3 green marbles 5 blue marbles and 2 yellow marbles find the probability that the marble is blue?

Assuming that you're only taking out one marble, then:Your sample space --> 3 + 5 + 2 = 10The probability of getting a blue marble on the first draw is 3/10 or 0.3


If A bag contains 3 red marbles and 5 purple marbles One marble is drawn at random and not replaced Then a second marble is drawn at random What is the probability that the first marble is purple and?

3/5


A jar contains 22 yellow marbles 26 green marbles 17 red marbles and 20 purple marbles A marble is drawn at random what is the probability of not pulling out a purple marble?

probability of pulling out a purple marble = 20/85probability of NOT pulling out a purple marble = 1 - 20/85 = 65/85 = 13/17


A bag contains 6 red marbles 7 blue marbles and 6 green marbles If one marble is randomly picked from the bag what is the probability that this is a blue marble?

There would be a 7/19 or 36.84% chance of drawing a blue marble from the bag.