0
What else can I help you with?
A marble is drawn at random first from a jar containing four black and four white marbles and then from a jar containing six black and two white marbles What is the probability of drawing two black?
It is (4/8)*(6/8) = 3/8
If there are 3 black marbles 2 white marbles and 1 red marble what is the probability of selecting a black marble?
3/6 or 1/2 or 50%
Suppose there are three white marbles and three black marbles in a bag and you want to remove two marbles What is the probability that you will select a white marble and then a black marble Express?
3/6 * 3/5 = 6/30 or 1/5 so you have a 20% chance of pulling a white and then black marble.
If you have 50 black marbles and 50 white marbles in a bag at most how many times would you have to draw out a marble to get two the same colour?
The maximum number of marbles you have to draw is three. 1) Draw a marble. It is either white or black. 2) Draw a second marble. If it is the same colour as the first marble, we are done after two draws. 3) Otherwise, the drawn marbles have different colours. Draw a third marble. No matter what you draw next, you must have two marbles of the same colour.
A jar contains 40 red marbles and 10 black marbles If you take a random sample of one marble from this jar. What is the probability that the marble will be red?
80% chance, Or 40/50
A marble is drawn at random first from a jar containing four black and four white marbles and then from a jar containing six black and two white marbles What is the probability of drawing two black?
It is (4/8)*(6/8) = 3/8
If there are 3 black marbles 2 white marbles and 1 red marble what is the probability of selecting a black marble?
3/6 or 1/2 or 50%
Suppose there are three white marbles and three black marbles in a bag and you want to remove two marbles What is the probability that you will select a white marble and then a black marble Express?
3/6 * 3/5 = 6/30 or 1/5 so you have a 20% chance of pulling a white and then black marble.
The table below shows the number of marbles of different colors in a bag Marble Experiment Color of Marbles Number of Marbles Red 1 White 5 Black 10 Ursula draws a marble from the bag randomly without?
Ursula has a total of 16 marbles in the bag (1 red, 5 white, and 10 black). When she draws a marble randomly, the probability of drawing each color can be calculated based on their quantities. The probability of drawing a red marble is 1/16, a white marble is 5/16, and a black marble is 10/16. This means that black marbles are the most likely to be drawn, followed by white and then red.
If you have 50 black marbles and 50 white marbles in a bag at most how many times would you have to draw out a marble to get two the same colour?
The maximum number of marbles you have to draw is three. 1) Draw a marble. It is either white or black. 2) Draw a second marble. If it is the same colour as the first marble, we are done after two draws. 3) Otherwise, the drawn marbles have different colours. Draw a third marble. No matter what you draw next, you must have two marbles of the same colour.
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?
3/7*3/7= 9/49
What is the equation used to determine probability?
Number of possibilities for one category / Total of all possibilities. For example, if I had a bag of marbles where there are three white marbles and two black marbles. The probability of pulling out a white marble is how many white marbles are in the bag which is: three. But the total of things you can draw out of the bag can either be one of the three white marbles or one of the two black marbles. 3 white marbles+ 2 Black marbles= five marbles. Possibility is 3/5 for drawing a white marble.
A jar contains 40 red marbles and 10 black marbles If you take a random sample of one marble from this jar. What is the probability that the marble will be red?
80% chance, Or 40/50
There are 3 red marbles 7 blue marbles 6 green marbles and 4 black marbles in a bag a marble is randomly selected from the bag the number one fifth represents the probability of selecting what color?
a black one
There are twelve marbles in a bag one black two orangefour greenfive yellow what is the probilty of choosing green or yellow?
The answer is 9/12 or 3/4 probilty that you will pick a green or yellow marble.
What is the chance of people all getting a blue marble out of a box with 5 blue marbles and 5 black marbles?
1 in 1024 :-)
If A jar contains 5 yellow marbles 16 green marbles and 8 black marbles If one marble is selected at random what is the probability that it is not green?
1 in 52
