Tuesday
October 21, 2014

Search: There are 10 colored balls in a box ( 5 red, 3 blue, 2 green ). What is the probability of picking out a red ball and then a blue ball ( If I do not replace the red ball )?

Number of results: 16,146

statistics
Suppose a box has eight differently colored tennis balls in it. The colors are green, blue, red, purple, orange, black, and white. if I will randomly pick out three balls (without replacement), then what is the probability that the balls chosen will be green, yellow, and red (...
June 12, 2012 by Sarah

STATISTICS
There are 10 colored balls in a box ( 5 red, 3 blue, 2 green ). What is the probability of picking out a red ball and then a blue ball ( If I do not replace the red ball
June 2, 2010 by Jake

STATISTICS
There are 10 colored balls in a box ( 5 red, 3 blue, 2 green ). What is the probability of picking out a red ball and then a blue ball ( If I do not replace the red ball )? 1/6 1/2 3/20 4/5
June 7, 2010 by Jake

Probability again
A box contains 6 red balls, 4 blue balls, and 2 green balls. Three balls are randomly drawn (without replacement) from the box. What is the probability that the three balls selected are all the same color?
November 29, 2009 by Ryan

Statistics
I have two boxes with balls; box #1 and box #2. Box #1 has 3 red balls and 2 blue balls.Box #2 has 7 red balls and 3 blue balls. what is the probability that if a red ball is picked, it is from box #1
September 13, 2011 by Paula Arcila

math
A box contains 8 blue balls and 2 red balls. Three balls are selected from the box at random without replacement. Find the probability that two balls are blue and one ball is red.
May 2, 2011 by Suetusi

probability
A jar contains 3 red balls and 2 green balls. You draw one ball at random. Determine the probability of selecting a. red b. green c. blue d. red or green
March 17, 2011 by Evangelina

Conditional Probability
A box contains 1 green ball, 2 blue balls, and 3 red balls. These balls are selected at random, one after another without replacement, and their colors are noted. Find the conditional probability that the third ball is red given exactly one ball is red.
September 20, 2012 by Sarah

Math
Assume that you are drawing two balls without replacement from an urn that contains 13 green balls, 10 blue balls, and 1 red ball. What is the probability that you will draw a blue balls and a red ball?
June 12, 2014 by Sarah

8th Grade Probability
A box contains 6 red balls, 4 white balls, and 5 green balls. If three balls are drawn in succession without being replaced, what is the probability that they are drawn in the order red, white, green?
February 14, 2011 by Elizabeth

statistics
Box A contains 4 red and 6 blue balls. Box B contains 5 red and 10 blue balls. A box is selected at random and a ball is drawn. Find the probability that the ball is blue, given that it came from Box B.
September 22, 2010 by Lori

statistics
Box A contains 4 red and 6 blue balls. Box B contains 5 red and 10 blue balls. A box is selected at random and a ball is drawn. Find the probability that the ball is blue, given that it came from Box B.
September 22, 2010 by Lori

Statistics
Box A contains 4 red and 6 blue balls. Box B contains 5 red and 10 blue balls. A box is selected at random and a ball is drawn. Find the probability that the ball is blue, given that it came from Box B.
September 23, 2010 by Lori

Math
A box contains 20 red balls and 40 green balls . Four balls are randomly selected from the box without replacement. What is the probability of selecting a red ball followed by a green ball and then another red ball followed by a green ball?
January 22, 2014 by Kristen

statistics
1. In a large box are 20 ping-pong balls—10 of them are red and numbered 1 through 10, and the other 10 of them are green and also numbered 1 through 10. Two balls are selected from the box without replacement. 1. a.Find the probability that the first ball selected is red and ...
September 26, 2009 by John

probability
A jar contains 3 red balls and 2 green balls. You draw one ball at random. Determine the probability of selecting a. red b. green c. blue d. red or green p.s: the reason I am asking this questions is because we never learned about it in class and I don't know how to do it; so ...
March 17, 2011 by Evangelina

maths
there are six red balls and nine blue balls in a box.a ball is selected at random.find the probability that the ball is (a)red(b) blue ( c) red of blue
May 2, 2014 by joyce Rowley

maths
there are six red balls and nine blue balls in a box.a ball is selected at random.find the probability that the ball is (a)red(b) blue ( c) red or blue
May 2, 2014 by joyce Rowley

math
A box contains 6 red balls, 4 white balls, and 5 green balls. If three balls are drawn in succession without being replaced, what is the probability that they are drawn in the order red, white, green?
April 25, 2011 by Lo

maths-urgently needed(probability)
A bag contains 5 red, 4 blue and an unknown number of m green balls. Two balls are drawn. If probability of both being green is 1/7 find m.
February 18, 2013 by Anonymous

Finite
A box contains 8 blue balls, 3 white balls, and 5 red balls, and that we choose two balls at random from the box. What is the probability of neither being blue given that neither is white?
September 25, 2014 by Jess

Basic Mathematics
A bag contains 2 red balls, 3 blue balls and 5 green balls. 3 balls are drawn at random. Find the probability that a) the 3 balls are of different colours b) 2 balls are of the same colour c) all the 3 are of the same colour.
May 23, 2014 by Shammi

statistics
A jar contains 2 red balls, 2 blue balls, 2 green balls and 1 orange ball. Balls are randomly selected, without replacement, until 2 of the same colour are obtained. Calculate the probability that more than 3 balls must be selected.
August 7, 2014 by Koala

maths
A box contains 20 balls, of which 5 are red, 5 are blue, 5 are white and 5 are green. Suppose a sample of 5 balls are chosen without replacement. a) find the probability that the sample contains balls of all the same colour (answer is 4/ 20C5, but why isnt it 5/20C5??) b) find...
October 11, 2012 by Candice

d
given piles of identical red, blue and green balls where each pile contains at least 10 balls, how many ways can 10 balls be selected such that exactly two green balls are selected and at most one red ball is selected?
June 16, 2013 by Anonycmous

maths probability
a box contains 20 red,30 black,40 blue,50 white. what will be the minimum number of balls to be drawn without replacement so that you are certain about getting 4 red,5 black,6 blue,7 white balls? A.140 B.97 C.104 D.124
June 27, 2014 by my era

Physics
Which combination of primary additive colors will produce yellow-colored light? green and blue blue and red red and green cyan and magenta
October 26, 2012 by oehtiwh

Physics
Which combination of primary additive colors will produce yellow-colored light? green and blue blue and red red and green cyan and magenta
October 26, 2012 by Hola

Physics
Which combination of primary additive colors will produce yellow-colored light? green and blue blue and red red and green cyan and magenta
October 29, 2012 by Confused

Math
A bag contains 5 balls,8 white balls, 9 green balls,7 blue balls& 6 yellow balls.A ball is drawn at random .Find the probablity that the ball in neither green nor red ?
March 8, 2012 by Rajit Rastogi

FINITE
selection of colored balls from two bags. Assume that each bag contains 4 balls. Bag a contains 2 red and 2 white, while bag b contains 2 red, 1 white, and 1 blue. You randomly select one ball from bag a, note the color, and place the ball in bag b. You then select a ball from...
February 16, 2011 by Hil-hellpp!

Math
Four balls are simultaneously picked at random from a jar containing 2 red balls, 2 green balls, and 6 yellow balls. What is the probability that exactly two of the selected balls will be red?
November 15, 2010 by Molly

probability problem
A box contains 6 green, 8 red, 5 yellow, and 10 blue marbles. Four marbles are drawn from the box at the same time. a) What is the probability that all four marbles are the same color? b) What is the probability that none of the marbles is blue? c) What is the probability that...
February 24, 2012 by Sam

8th grade math
A box contains 6 red balls, 4 white balls, and 5 green balls. If three balls are drawn in succession without being replaced, what is the probability that they are drawn in the order red, white, green? A x 8/225 B x 4/91 C x 12/445 D x 1/225...
April 28, 2011 by Lo

math
There are 5 red balls,6 white balls and 7 green balls in a box.If one ball is taken without looking,what is the probability that it is white?
January 27, 2013 by Amber lynn V. Lumayao

math
If I have 25 balls in a bowl 10 black,5 blue ,5 green ,5 red . what is the probability of me pulling out a red? 1/5 ,4/5,2/10,1/25 etc....
December 7, 2012 by robert

math
There are 25 red beads,x blue beads and y green beads in a box.When a bead is picked at random,the probability that it is blue is 1 over 4 and the probability that it is green is 1 over 3. (a)Find the value of x and y. (b)How many blue beads must be added so that the ...
July 7, 2014 by mandy

Finite Math
An urn contains sixteen red balls and seventeen white balls. A sample of three balls is selected at random and the number of red balls observed. Determine the probability distribution for this experiment: Number of Red Balls/Probability 0...Probability=? 1...Probability=? 2......
April 5, 2012 by Amanda

math
On the plant ZOG,colored coins are used formoney. Suppose 12 white, 9 red, 8 yellow, 4 blue, and 0 green can be exchanged for 2 white, 1 red, 0 yellow, 1 blue ,and 1 green. Also, suppose 1 green = N blue, 1 blue = N yellow, 1 yellow = N red, and 1 red = N white coins. What is ...
September 16, 2008 by Anna

Statistics
3 balls are drawn successively from a box containing 6red,4 white and 5 blue balls.Find the probability that they are drawn in order red,white and blue if:(a)each ball is replaced.(b)balls are not replaced
January 20, 2013 by Rose

Math
A bag contains four balls. Three are red, and the fourth is either red or blue, selected with equal probability. A ball is drawn from the ball and it is red. What is the probability that one of the balls still in the bag is blue?
November 7, 2010 by kyle

math
if a bag has 2 red balls 2 blue balls 2 green balls what is your chance of getting a red ball
September 3, 2014 by Anonymous

math
A box containing 5 red balls and 3 green balls weighs 43 g. When the box contains 3 red balls and 5 red balls it weighs 37g. When it contains one ball of each it weighs 19g. What is the mass of the box and of each ball.
December 3, 2012 by Bogusgirl

Math
Tom has a bag filled with 10 green balls, 5 red balls and 5 blue balls, what part on toms bag has green balls
April 23, 2013 by Gio

statistics
An urn contains 4 blue balls, 5 yellow balls and 7 red balls. if a single ball is selected, find the probability thet the ball is Red? Not blue? blue or yellow
February 15, 2011 by Andrea

Math
A bucket contains blue balls and yellow balls. the probability of removing two blue balls without replacement is 2/5 and he probability of removing three blue balls without replacement is 1/5. Why must there be two more blue balls then yellow balls? How many red balls were in ...
February 9, 2012 by Helen

probability
There are two identical boxes of balls. In the first box 2 blue and 5 orange balls, and the second 3 blue and 6 orange balls. Chosen at random from the box and pull out a 1 ball. What is the probability that the ball taken is orange
August 22, 2012 by hazard

probability
a bag contains 7 red balls, 4 green balls and 5 yellow balls. what is the probability that 3 balls drawn at random are either green or yellow?
March 14, 2012 by anuj

Math/Statistics
I don't get how to do this...can anyone help? 1. In a large box are 20 ping-pong balls—10 of them are red and numbered 1 through 10, and the other 10 of them are green and also numbered 1 through 10. Two balls are selected from the box without replacement. 1. a.Find the ...
September 27, 2009 by John

maths
a box of red,blue and green pencils contains 20 in all.there are 6 times as many blue pencilas green ones,and fewer rd pencils than blue ones. how many red pencilsare in he box
February 13, 2011 by chrisopher

Writing and solving equations
The number of green balls is g. The number of red balls is 3 more than the number of green balls, and the number of blue balls is 7 more that the number of green balls. If the number of blue balls is 18, how many green balls are there?
January 27, 2014 by Anonymous

Math
A box containing 20 yellow balls, 9 red balls and 6 blue balls. If the balls are selected at random, what is the smallest number of balls that need to be selected so you will select at least two balls of each colour
May 4, 2014 by Baby girl

College Finite Math
Your Open QuestionShow me another » If the ball is either blue or white, what is the probability that it was drawn from urn Y? Assume that you randomly pick one of the urns: X, Y, or Z. You then randomly draw one ball out of the selected urn and note its color. The urns ...
April 2, 2009 by Nahla

English
1. I have ten balls. Some are red, others are blue, and the other is green. 2. I have ten balls. One is green, some are red, and the others are blue. 3. I have ten balls. One is green, others are red, and the others are blue. ------------------------- Which ones are ...
July 15, 2014 by rfvv

Math
John has a box that contains one red ball and one blue ball. Every minute he reaches into the box and randomly takes out a ball from it (without looking). No matter which ball he took out, he puts it back together with another ball of the same color. Thus, after n minutes, the...
July 1, 2013 by Alex

math
John has a box that contains one red ball and one blue ball. Every minute he reaches into the box and randomly takes out a ball from it (without looking). No matter which ball he took out, he puts it back together with another ball of the same color. Thus, after n minutes, the...
July 5, 2013 by GT

math
draw a cartoon using 5 ballons,2 dogs, 3 ice cream cones,& 4 balls. Color ballons red;color dogs yellow;color cones blue & balls green. What fraction of your balls are red,green, yellow,or blue?
January 26, 2010 by Tori

Math
my problem is: From the box containing 5 red balls, 7 blue balls, 10 black balls. you select 4 balls what is the probabilty that EXACTLY 2 balls are black. so i know how to start it c(10,2)c(2,1) ---------- c(22,40 but how do you solve that ?
December 13, 2010 by Katia

Probabilities
A bag contains 5 red, 3 green, 12 white and 7 blue marbles. One is drawn at random. With is the probability it is green if it is not red or blue?
April 21, 2009 by Andrey L

Math
There are a few red and a few green balls in a box, Blind folded, you have to take out 7 balls to have a red for sure,and you have to take out 13 to have a ball from both colours for sure. How many green and how many red balls are there in the box?
September 16, 2014 by RIZ

Finite Math-Probability
Suppose we have an urn with 10 white balls and 6 red balls, and we create an experiment by randomly selecting 6 balls from the urn. a) What is the probability that the sample has the same number of white balls as red balls? b) What is the probability that there are more red ...
November 24, 2012 by Em

science
A box contains 10 balls of which 6 are red (R) and 4 are white (W) . Three balls are taken from the box at random, one after the other. The probability that the 3 balls drawn are in the order RRW is equal to,
July 22, 2012 by sajith

algebra
5 green balls and 2 red balls together weigh 10 pounds, and 1 green ball and 4 red balls together weigh 7 pounds. If all red balls weigh the same amount and all green balls weigh the same, then what is the weight of 8 red and 8 green balls together? I'm not sure at all how to ...
February 17, 2009 by Rachelle

math
A spiiner was spun 16 times. The results are shown in the table below. yellow = 5 white = 4 red = 0 blue = 2 green = 2 orange = 3 whch colors' experimental probability matches its theoretical probability a. yellow, green and orange b. white, red and orange c. yellow, blue and ...
October 21, 2012 by kyle

statistics
1. A bag of colored blocks contains the following assortment of colors: red (13), blue (12), orange (21), purple (14), green (14), and yellow (6). Construct the probability distribution for x.
November 9, 2012 by Anonymous

Math
Each of two urns contains green balls and red balls. Urn one contains 10 green balls and 8 red balls. Urn two contains 3 green balls and 10 red balls. If a ball is drawn from each urn, what is P(red and red)? A. 23/18 B. 10/27 C. 40/117 D. 18/31
April 17, 2014 by Chris

math *check*
8. Each of two urns contains green balls and red balls. Urn one contains 8 green balls and 12 red balls. Urn two contains 5 green balls and 8 red balls. If a ball is drawn from each urn, what is P(red and red)? A. 79/65 B. 24/65 C. 20/33******? D. 2/13
June 10, 2014 by Me

Probability -- Help?
Sampling one at a time with replacement from a bag with 8 blue, 7 red, and 5 green. What is the probability of getting at least two red in 3 draws? The book says the probability is 0.2818 but doesn't explain why. Any help???? Unfortunately, the probability of picking 3 red ...
December 1, 2006 by Cheri

Math
There are 20 balls in a bowl. 7 black, 6 blue, 5 green, 4 red, and 3 yellow. Balls must be drawn until 4 different colors are drawn. What is the probability that one is black? Please walk me through if you can...
October 1, 2011 by Tim

Probability
1. You roll a number cube numbered one to six 12 times. P(5)=2/3. What type of probability is illustrated and why? A. Experimental; the result is based on the number of possible outcomes. B. Experimental; the result is found by repeating an experiment. C. Theoretical; the ...
April 17, 2014 by Chris

Stats
A bag of colored blocks contains the following assortment of colors: red (18), blue (14), orange (20), purple (14), green (10), and yellow (4). Construct the probability distribution for x. I'm so lost....
October 24, 2011 by Jennifer

Stats....PLZ HELP....
A bag of colored blocks contains the following assortment of colors: red (18), blue (14), orange (20), purple (14), green (10), and yellow (4). Construct the probability distribution for x.
October 25, 2011 by Jen

Math
The table shows the results of spinning a four-colored spinner 50 times. Find the experimental probability and express it as a decimal RED 20 BLUE 10 GREEN 9 YELLOW 11
June 6, 2014 by DragonBornFU5R0D48

math
each of two urns contains green balls and red balls. urn I contains 8 green balls and 12 red balls. Urn II contains 5 green balls and 8 red balls. if a ball is drawn from each urn, what is P(red and red)? A. 79/65 B. 24/65 C. 20/33 D. 2/13
May 7, 2014 by help please

Math for the middle school and elementary teacher
3 red balls, 4 green balls, and 5 yellow balls are in a bag. If 2 balls are drawn randomly (without replacement) find the probability that the balls are different colors. I got 47/66 that the balls are different colors...is that right?
February 28, 2012 by liz

maths
The probability of getting a blue ball is 2/3 from a bag containing 6 blue and 3 red balls. 12 red balls are added to the bag then find the probability of getting a blue ball
March 10, 2011 by susan

statistics
If a bag contains a set of 20 red balls, 10 green balls, and 15 black balls, then what is the possiblity of selecting (in this order) a red ball, a green ball, and a red ball. Without Replacement of the items selected. Can you explain how you get the answer? Thank you
September 12, 2012 by Cheryl

Math
A bag of marbles contains only green and red marbles. All of the marbles are the same size. If the probability of selecting a green marble is 1/2. Which is most likely to be the number of green and red marbles in the bag? A.2 green 4 red B.4 green 4 red C.2 green 1 red D.1 ...
December 10, 2012 by Jerald

math
A gumball machine contains red, orange, yellow, green, and blue gumballs. Twenty percent of the gum balls are red, 30% are orange, 5% are yellow, 10% are green, and the rest are blue. If there are a total of 120 gumballs, how many more blue gumballs are there than yellow ...
May 28, 2013 by trey

Math
my problem is: From the box containing 5 red balls, 7 blue balls, 10 black balls. you select 4 balls what is the probabilty that EXACTLY 2 balls are black. i know that you start it/set it up like this: c(10,2)c(2,1) divided by c(22,4) and i can get the answer by plugging it in...
December 13, 2010 by Katia

7th grade math
Can you check this problem? Jean has 5 different colors of markers: red, blue, green, orange, and purple. Two colors are used to make a sign. How many different combinations are possible? List them. Ans: 10 possible combinations red/blue, red/green, red/orange, red/purple, ...
September 30, 2014 by Alexis

MATH
There are 5 red and 4 black balls in a box. If three balls are picked without replacement, what is the probability that at least one of them is red?
July 11, 2011 by James

math-probability
Mary has 3 boxes with Marbles. Eavh box is labeled so that she knows what is in each box. She has 1 box with 2 blue marbles, another box with 2 red marbles and a 3rd box with 1 red and 1 blue marble. Mary's little sister removed all the labels and she placed them back ...
March 4, 2008 by ASh

math-probability
Mary has 3 boxes with Marbles. Eavh box is labeled so that she knows what is in each box. She has 1 box with 2 blue marbles, another box with 2 red marbles and a 3rd box with 1 red and 1 blue marble. Mary's little sister removed all the labels and she placed them back ...
March 4, 2008 by ASh

Math-Probability
Hello, I'm trying to figure out this probability problem. Can anyone help walk me through? Thank you so much!! A box contains 10 green, 2 red, 7 yellow, and 6 blue marbles. Four marbles are drawn from the box without replacement. a) What is the probability that all four ...
August 7, 2009 by Marie

math
A bag contains 11 red balls, 9 blue balls and x yellow balls. The probabilty of choosing a yellow ball at random is 1/6. What is the probability of not getting a blue ball.
November 19, 2013 by danial

math
A bag contains 5 red balls and 7 green balls . A ball is picked at random , its color is noted and it is given out . The bag is shaken and a second selection is made. A. Draw. Tree diagram to illustrate thr information. B. Calculate the probability that both balls are red
April 24, 2013 by Natasha

3rd grade
In a box of colored pencils, there are 5 fewer red pencils than green pencils. Use[] to stand for the number of green pencils. Write an expression that represents the number of red pencils in the box.
April 18, 2010 by Anonymous

Calculus
A spinner is used for which it is equally probable that the pointer will land on any one of six regions. Three of the regions are colored red , two are colored green, and one in colored yellow. If the pointer is spun twice, find the probability it will land on green and then ...
December 10, 2007 by John

probability
A bowl contains only red marbles, blue marbles and green marbles. The probability of selecting a red marble from the bowl is 3/13. The probability of selecting a blue marble from the bowl is 2/5. There are fewer than 100 marbles in the bowl. What is the probability of ...
November 15, 2012 by chocolateman

math
A box contains three white balls and two red balls. A ball is drawn at random from the box and not replaced. Then a second ball is drawn from the box. Draw a tree diagram for this experiment and find the probability that the two balls are of different colors.
December 27, 2010 by Diana

Probability Distribution
An urn has fifteen red balls and nineteen white balls. Three balls are selected at random and the number of red balls are observed. Find the probability distribution for Number of Red Balls: 0 = 1 = 2 = 3 =
April 7, 2012 by F0reveryoung

math
There are 25 red, blue, yellow and green marbles in a bag. Four of the marbles are blue and the probability of selecting a blue or green marble at random is 40%. Write and solve an equation to determine the number of green marbles in the bag
March 28, 2011 by maymay

math
The maker of a candy that comes in the color Blue, Red, White, Green, Pink and Tan. The proportion for Blue is 0.2, Red is 0.3, White is 0.1, Green is 0.2, Pink is 0.1 and Tan is 0.1. A single candy is drawn at random. Find the probability that a candy has the following colors...
October 18, 2012 by Ana wheeler

math
There are fifty marbles in a sack: red, blue and green. There are ten more green than blue marbles in the sack. The probability of drawing a red or blue marble is one-half. Write and solve an equation to determine how many of each color marble is in the sack
March 29, 2011 by Mai

mathematics
A bag contains 10 red, 15 white, 25 green balls. What should be the minimum number of balls drawn without replacement so that you get 5 red, 3 white, 10 green balls.
September 9, 2014 by Jai

math
PLEASE HELP!!!(: There are 9 red gum balls, 5 green gum balls, 8 yellow gum balls, and 8 blue gum balls in a machine. Find P(green, then yellow). (1 point) A. 400 over 900 B. 5 over 30 C. 8 over 30 D. 40 over 870
April 3, 2013 by mckayela

Math
Probability-- There are two boxes...the first box has 3 black balls and 1 blue ball in it. The second box has 6 black balls and 2 in blue balls in it. a. Which of the following two boxes would you choose if you were picking 1 ball and wanted black? Justify your answer. b. Then...
November 12, 2013 by Anonymous

Statistics
A bowl contains 3 red balls, 2 blue balls and 5 white balls. A ball is selected and the color noted. Then it is replaced. A second ball is selected and its color noted. Find the probability of getting a red ball and a blue ball.
November 18, 2010 by Maryan

combination,Math
Navid took a trip to the store to purchase some balls. His choices at the store were green,blue,white and red balls. If Navid purchased 9 balls, how many different combinations of balls could he have purchased?
October 8, 2013 by Ball Counting

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