Monday
April 21, 2014

Search: A bag contains five blue marbles and three red marbles. One marble is drawn at random, What is the probability that the first marble was blue

Number of results: 16,836

math
a bag contains 33 green marbles and 25 blue marbles. you select a marble at random from the bag. find the theoretical probability of selecting a blue marble. thanks Pr(blue)= number blue/total marbles
Friday, April 13, 2007 at 5:52pm by dillon

Math
A bag contains 10 yellow, 15 blue and 5 red Marbles. Mark chooses a candy and doesn't replace it in the bag. Find P (neither blue)
Thursday, February 14, 2013 at 8:37pm by Anon

math
a bag of marbles contains 5 red,7 green ,and some blue.if 1/3 of the marbles in the bag are blue,how many blue marbles are in the bag?
Sunday, May 1, 2011 at 7:53pm by shank

math
A bag contains 5 red, 4 white and 6 blue marbles. Another bag with 9 blue marbles has the same ratio of blue to white marbles as the first bag. How many white marbles are there in the second bag?
Thursday, October 17, 2013 at 2:22pm by Anonymous

Math
There are seven red, five blue, and eight white chips in a bag. What is the probability of pull out a blue or white and then quickly putting it back in the bag and pulling out another blue or white, making a combination of one blue and one white.
Monday, January 26, 2009 at 1:07pm by John

Probability
A drawer contains six bags numbered 1-6, respectively. Bag i contains i blue balls and 2 green balls. You roll a fair die and then pick a ball out of the bag with the number shown on the die. What is the probability that the ball is blue? Thank you!
Friday, January 27, 2012 at 6:54am by Erica

Math
One bag contains 5 red marbles, 4 blue marbles, and 3 yellow marbles, and a second bag contains 4 red marbles, 6 blue marbles, and 5 yellow marbles. If Lydia randomly draws one marble from each bag, what is the probability that they are both not yellow?
Wednesday, May 9, 2012 at 10:41pm by Hannah

statistics
A bag contains a total of 24 white, red, and blue marbles. A student randomly selects a marble from the bag, records the color, and then returns the marble to the bag. The student repeats the process 24 times. The bar graph shows the results of the student's experiment and ...
Monday, November 12, 2012 at 3:43pm by kate

Math
Could someone please let me know if I did this problem right? A bag contains seven blue marbles and five red marbles. One marble is drawn at random without replacement, and then a second marble is drawn. What is the probability that the second marble is blue if the first ...
Friday, August 7, 2009 at 3:41pm by B.B.

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...
Wednesday, February 16, 2011 at 12:12am by Hil-hellpp!

algebra
a bag contains 4 red chips, 2 blue chips and 5 green chips. A chip is randomly removed from the bag, and then without replacing the first chip, a second chip is removed. What is the probability that both of the chips selected from the bag were blue?
Tuesday, May 3, 2011 at 3:00pm by veronica

statistics
Assume that each bag contains 6 balls. Bag a contains 3 red and 3 white, while bag b contains 2 red, 2 white, and 2 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 bag b at random and make note of its ...
Monday, October 4, 2010 at 9:38pm by Tiff

Algebra 2
A bag contains five red marbles and three blue marbles. In how many different ways can two red marbles be drawn if the first marble is not returned to the bag before the second marble is drawn?
Tuesday, February 28, 2012 at 12:28pm by Megan

probability
A set of five marbles is selected (without replacement) from a bag that contains 4 blue marbles, 3 green marbles, 6 yellow marbles, and 7 white marbles. How many sets of five marbles contain no more than two yellow ones?
Sunday, September 11, 2011 at 6:14pm by jay

algebra
A bag contains 4 orange marbles, 11 blue marbles and 1 yellow marble. What is the probability of drawing a blue followed by another blue without replacement? Not sure what to do?
Sunday, December 11, 2011 at 8:23pm by Dylan

Math
Find the sample space. a Bag contains 4 marbles: one each of red, blue, green and violet. Two marbles are drawn from the bag. assume that the first marble is not put in the bag before drawing the second marblle
Thursday, March 21, 2013 at 3:51pm by Nangoyi

algebra 2
The bag contains three red marbles, two blue marbles, and seven yellow marbles. Two marbles are randomly drawn from the bag. What is the probability of drawing a blue marble, replacing it, and then drawing a blue marble?
Friday, May 21, 2010 at 4:37pm by Thomas

maths
one bag contains 1 red ball,1 yellow ball, 1green ball and 1 blue ball the second bag contains 1 pink ball and 1 grey ball what is the sample space out come
Thursday, January 19, 2012 at 12:31pm by Sue

Math
A bag contains 6 blue balls, 4 green and 2 red. If you put your hand in and picked a ball at random what are the chances it is blue?
Wednesday, February 1, 2012 at 10:01am by Anonymous

algebra 2
A bag contains 7 blue marbles, 5 red marbles, and 9 green marbles. A marble is taken at random from the bag. What is the probability that the marble is blue or red? Please check my answer 12/21
Wednesday, May 26, 2010 at 5:15pm by John

math
A bag contains 7 blue marbles, 5 red marbles, and 9 green marbles. A marble is taken at random from the bag. What is the probability that the marble is blue or red? Please type in your answer as a fraction.
Wednesday, May 26, 2010 at 4:13pm by John

Math
A bag contains 2 red, 2 blue, and 2 green marbles, Sue takes one marble at a time from this bag without looking. What is the least number of marbles Sue must take from this bag to be sure that she has taken 2 marbles of the same color? A) 2 B)3 C)4 D)6
Sunday, October 26, 2008 at 6:11pm by Pooja

math
If there are only red, green and blue marbles in the bag, then given that 1/3 are blue, then red and green occupy 1-1/3=2/3 of the bag. Use direct proportion: 2/3 bag : 5+7=12 1/3 bag : X Cross multiply: x=(1/3)*12÷(2/3) =12/2 = 6 (blue marbles)
Sunday, May 1, 2011 at 7:53pm by MathMate

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?
Sunday, November 7, 2010 at 3:32pm by kyle

Math
If a bag contains 50 marbles with 28 red ones and 22 blue ones. A marble is picked at random from the bag.what is the probability of picking a red marble after a blue marble was picked first?
Thursday, March 3, 2011 at 12:14am by Kay

Math ms sue please please please help!!!!!!
1)a bag contains five red marbles and seven blue marbles. you pull one marble out of the bag and replace it before putting out a second marble. what kind of event is this? independent, dependent, or both? 2) A bag contains 5 marbles. Without looking, you pick a marble with ...
Sunday, November 10, 2013 at 6:59pm by Math help

math
a bag contains 5 blue marbles 4 red marbles and 1 green marble. what is the probability of drawing a blue marble,the another blue marble without replacement
Tuesday, December 18, 2012 at 10:01pm by bryce

Math
A bag contains nine red marbles, four green marbles, three blue marbles, and two yellow marbles. If Lisa draws a random marble from the bag, what is the probability that it will be a red, green, or blue marble?
Friday, April 18, 2014 at 2:11pm by Lyla

math
A bag contains five purple ("P") blocks and one yellow ("Y") blocks. Without looking into the bag you reach in, take out a block, return the block to the bag, and then repeat the same process a number of times. what is the sequences of selected blocks
Wednesday, August 1, 2012 at 7:47pm by Anonymous

math
the bag contains 20 red marbles and30 white marbles and 40 blue ones what is the ratioof red to blue marbles what is the ratio of white to red if one marble is drawn from the bag what is the probability that the marble will not be white??? need ansewr fastt plzz
Sunday, April 8, 2012 at 10:10pm by kristen

math
. A box contains five blue, eight green, and three yellow marbles. If a marble is selected at random, what is the probability that it is not blue?
Thursday, June 9, 2011 at 11:15pm by CC

math
A box contains five blue, eight green, and three yellow marbles. If a marble is selected at random, what is the probability that it is not blue?
Sunday, May 13, 2012 at 6:41pm by free

PRE CAL. JOURNAL
A BAG CONTAINS 3 RED CHIPS, 2 BLUE CHIPS AND 1 WHITE CHIP. IF 2 CHIPS ARE CHOSEN FROM THE BAG WITHOUT REPLACEMENT DETERMINE THE PROBABILITY THAT THEY ARE OF DIFFERENT COLORS
Monday, March 15, 2010 at 7:37pm by RAMATU

probability
A bag contains 4 purple, 3 blue and 2 red cubes. Select 3 cubes and stack on table next to the bag. What is probability of the cubes being red, purple then blue
Sunday, February 28, 2010 at 1:55pm by dave

math
A bag contains five purple ("P") blocks and one yellow ("Y") blocks. Without looking into the bag you reach in, take out a block, return the block to the bag, and then repeat the same process a number of times. Which of the following sequences of selected blocks is more likely?
Thursday, August 2, 2012 at 2:04pm by Anonymous

MATH Prob.
if a bag contains 8 red marbles, 6 blue marbles and 9 green marbles, what is the probability of choosing a blue marble??
Saturday, August 8, 2009 at 1:42pm by Twg

MATH
A bag contains 2 red marbles, 4 blue marbles, and 8 green marbles. What is the probability of choosing a blue marble?
Tuesday, November 22, 2011 at 11:46am by Anonymous

math
a bag contains 7 red marbles, 8 blue marbles and 4 green marbles. what is the probablity of choosing a blue marble?
Friday, June 15, 2012 at 1:10am by Anonymous

algebra 1
The bag contains three red marbles, two blue marbles, and seven yellow marbles. Two marbles are randomly drawn from the bag. What is the probability of drawing a blue marble, replacing it, and then drawing a yellow marble
Saturday, July 21, 2012 at 4:07pm by gab

math
a bag contains 20 marbles containing 8 green, 4 red, 2 blue, 6 yellow. If a person picks out 1 single marble from bag without looking. what is the probability that it will be a red marble?
Tuesday, September 25, 2012 at 11:45am by Nanette

Math, please check work
A bag contains 7 red marbles, 2 blue marbles, and 1 green marble. If a marble is selected at random, what is the probability of choosing a marble that is not blue? 7+2+1=10 There are two blue marbles So is the probability 1/5?
Sunday, February 21, 2010 at 11:59am by Lyndse

statistics
A bag contains five purple ("P") blocks and one yellow ("Y") blocks. Without looking into the bag you reach in, take out a block, return the block to the bag, and then repeat the same process a number of times. Which of the following sequences of selected blocks is more likely...
Thursday, August 2, 2012 at 3:38pm by Anonymous

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?
Tuesday, April 21, 2009 at 2:13pm by Andrey L

Math
A bag contains 5 red, 5 blue, 5 green, and 5 white marbles. Two marbles are drawn, but the first marble is not replaced. Find P(red, then blue)
Tuesday, July 22, 2008 at 5:22pm by Nathaniel

Math 1 9th grade
A bag contains 3 green marbles and 6 blue marbles. What is the probability of drawing a blue marble, then another blue marble, then a green marble, replacing the marble after each draw?
Thursday, January 20, 2011 at 7:35pm by Sandra

probability
A bag contains 3 red chips, 2 blue chips, and 1 white chip. If 2 chips are chosen from the bag (without replaceent), determine the probability that they are of different colors.
Sunday, February 28, 2010 at 1:55pm by Ryan!

pre calculus
A bag contains 4 blue marbles, 2 black marbles, and 3 red marbles. If a marble is randomly drawn from the bag, what is probability that it is not black? 1/2 2/9 5/9 7/9 14/19
Tuesday, November 27, 2012 at 10:09am by king chris

Math
A bag contains 4 blue, 4 red, and 4 green marbles. Four marbles are drawn at random from the bag. How many different samples are possible which include exactly two red marbles?
Tuesday, April 9, 2013 at 1:13am by Kierra

Math
A bag contains 4 blue, 4 red, and 4 green marbles. Four marbles are drawn at random from the bag. How many different samples are possible which include exactly two red marbles?
Tuesday, April 9, 2013 at 1:13am by Kierra

math
7. A bag contains 2 red cubes, 3 blue cubes, and 5 green cubes. If a cube is removed and replaced in the bag and another is drawn, what is the probability that both are green? 1/4 3/8 2/5 1/2
Thursday, July 22, 2010 at 12:44pm by Ross

Algebra 2
A bag contains 5 red, 9 white, and 10 blue marbles. Suppose you choose a marble from the bag and then choose another marble without replacing the first one. Find the probability of picking the same color both times.
Monday, January 30, 2012 at 11:56am by Katy

Math
There are 2 opaque bags, each containing red and yellow blocks. Bag 1 contains 3 red blocks and 5 yellow. Bag 2 contains 5 red and 15 yellow. To play the game, you pick a bag and then you pick a block out of the bag without looking. Would a person be more likely to pick a red ...
Thursday, December 2, 2010 at 7:48pm by Michelle

Probability
a bag contains 9 red marbles and 4 blue marbles. how many clear marbles should be added to the bag so the probibility of drawing a red marble is 3/5?????
Monday, April 30, 2012 at 5:25pm by Meg

probability
a bag contains red and blue marbles. with 10% more blue marbles than red. a)what is the probability of selecting 5 blue marbels ? b) Of selecting 2 reds and 3 blues ?
Friday, June 10, 2011 at 1:50pm by pedro1

math
A box contains blue and white ribbons. If five ribbons are choosen at random, how many ways can at least 1 blue ribbon be selected?
Friday, May 3, 2013 at 12:53pm by marlene

experimental probability
you spin a spinner 50 times. it lands on red 8 times, yellow 12 times, green 20 times, and blue 10 times. based on the results, what is the experimental probility of its landing on green or yellow? thanks I will be happy to critique your work on this. i have a different ...
Friday, April 13, 2007 at 2:19pm by dillon

Elementary math College
A bag contains 7 red chips and 9 blue chips. Two chips are selected randomly without replacement from the bag. What is the probability that the two chips are the same color?
Tuesday, March 30, 2010 at 1:33pm by Anna

MATH Prob.
a bag contains 7 red chips and 10 blue chips. Two chips are selected randomly without replacement from the bag. what is the probability that both chips are red??
Saturday, August 8, 2009 at 1:55pm by Twg

Math
20. A bag contains 7 red chips and 10 blue chips. Two chips are selected randomly without replacement from the bag. What is the probability that both chips are red
Friday, January 15, 2010 at 1:05pm by for Ms. Sue

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
Monday, March 28, 2011 at 5:44pm by maymay

prealgebra
a bag contains 6 red marbles, 5 yellow marbles, 7 blue marbles, and 4 white marbles. if one marble is drawn at random from the bag, what is the probability that it will be white? the answer i got is 2 over 11 . is this correct?
Tuesday, July 14, 2009 at 3:56pm by sweetangle

Algebra.. PLEASE help me!!
Robin tosses a fair coin and then draws a ball from a bag that contains one red, one blue, and one green ball. PART A: What are the possible outcomes for the experiment? Explain. PART B: Three balls-one red, one blue, and one green-are added to the bag. Will the total number ...
Thursday, April 11, 2013 at 5:32pm by Syram

math
A bag contains 2 white marbles, 4 blue marbles, and 5 red marbles. Three marbles are drawn from the bag. What is the probability that not all of them are red?
Thursday, October 18, 2007 at 10:04pm by Anonymous

Algebra
A bag of M&Ms contains 12 red, 11 yellow, 5 green, 6 orange, 5 blue, and 16 brown candies. What is the probability that if you choose 2 M&Ms from the bag (one after the other) without looking, you will choose 2 yellow ones?
Wednesday, June 3, 2009 at 9:38am by Todd

math
A bag contains 6 red marbles nad 4 blue marbles if Dana draws one marble from the bag and then draws another without replacing the first, what is the probability that both marbles will be red?
Thursday, May 5, 2011 at 10:12pm by heather

math
suppose a bag contains three orange marbles and two blue marbles. you are to choose a marble, return it to the bag, and then choose again and suppose you do this 50 times what is chance of getting 2 marbles of the same color.
Tuesday, October 18, 2011 at 9:59pm by kiki

math
A bag contains x marbles. Half of the marbles are blue. Four less than the number of blue marbles are red. The remaining marbles are purple. What is the probability of choosing a purple marble at random? a. 2 b. 4 c. 1/2-(x/2-4)/x d. x/2-4 e. x/2 please answer and explain
Friday, October 25, 2013 at 12:18pm by Tomas

Algebra
A bag contain 9 red, 8 yellow, 5 pink and 6 blue marbles. The experiment is to randomly select on marble out of the bag. What is the probability that chosen marble is a)blue? b)yellow? c) red or pink d)green or blue? need to know what all are
Friday, October 19, 2012 at 12:18am by #@@#

college math
a bag contains 7 red chips and 9 blue chips. Two chips are selected randomly from the bag without replacement. What is the probability that the two chips are the same color? If someone could just point me in the right direction for the many equations I could use I would be ...
Monday, November 23, 2009 at 12:45am by Lauren

math
a bag contains 6 red marbles and 2 blue marbles. what is the probability of chosing a red marble and a blue marble at the same time?
Thursday, May 5, 2011 at 11:09pm by Cassidy

math
A bag contains red, blue, and orange marbles. If the probability of randomly selecting a red marble is 0.4 and the probability of selecting a red or blue marble is 0.9 what is the probability of selecting a red or orange marble? In my opinion, the easiest way to solve these ...
Thursday, January 25, 2007 at 6:46pm by Preston

math/probability
A bag contains 7 red chips and 10 blue chips. Two chips are selected randomly without replacement from the bag. What is the probability that both chips are red?
Friday, January 15, 2010 at 1:11pm by KiKi

math-algebra
7. A bag contains 5 red marbles, 6 green marbles, and 9 blue marbles. Suppose 3 marbles are chosen without replacement. What is the probability of choosing a red, a blue, and a red in that order?: A. 9/320 B. 5/152 C. 1/1280 D. 1/38
Wednesday, September 26, 2007 at 12:59am by Anonymous

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.
Tuesday, November 19, 2013 at 8:52am by danial

MATH 12 HELP!
One bag contains 4 white balls and 6 black balls. Another bag contains 8 white balls and 2 black balls. A coin tossed to select a bad, then a ball is randomly selected from that bag. Suppose white ball was drawn. What is the probability that it came from the first bag?
Sunday, May 20, 2012 at 2:15am by the man

math-algebra
7. A bag contains 5 red marbles, 6 green marbles, and 9 blue marbles. Suppose 3 marbles are chosen without replacement. What is the probability of choosing a red, a blue, and a red in that order?: A. 9/320 B. 5/152 C. 1/1280 D. 1/38 Please explain answer. Thanks
Wednesday, September 26, 2007 at 12:59am by Anonymous

Math
Y can be anything, depending what was originally in the bag. If there were originally 1 blue and 10 green marbles in the bag, y=1. If there were originally 101 blue and 10 green marbles in the bag, y=101. If there were originally 20 blue and 15 green marbles in the bag, y=5.
Sunday, May 27, 2012 at 12:10pm by MathMate

math
Out of 40 gum balls in Jamie's bag, 10 will be red and 30 will be blue. Out of Bryce's bag, 8 will be red and 32 will be blue. You calculate.
Monday, January 28, 2013 at 5:40pm by PsyDAG

algebra 2
Rami draws a chip from the bag without looking. He keeps the chip and then draws antoher one from the bag. What is the probability that both chips are blue? 3 yellow, 2 brown, 5 green, 4 blue, an 2 red.
Friday, May 21, 2010 at 4:37pm by Logan

math
A bag contains 3 red, 5 black and 5 blue marbles. Four marbles are selected at random without replacement: - the probability that all 4 are black? -the probability that exactly two are blue and none are red?
Tuesday, January 25, 2011 at 2:23pm by Sandy

math
Sharon is dividing her polished rock collection into bags. Each bag contains the same number of each color of rocks. She is placing the green and blue rocks into the same bags. How many rocks will be in each bag?
Tuesday, October 30, 2012 at 10:08pm by Anonymous

math
1.A box contains four red marbles, seven white marbles, and five blue marbles. If one marble is drawn at random, find the probability for each of the following: a.A blue marble is drawn: ______ b.A red or blue marble is drawn: _____ c.Neither a blue or red marble is drawn:
Friday, October 9, 2009 at 5:09pm by cindy

Math
Say that a bag contains 100 marbles: 30 red, 30 blue, 30 green, plus a mix of 10 yellow and orange marbles. To be certain that you have 10 marbles of the same color, what is the minimum number you would need to remove (without looking) from the bag?
Monday, March 12, 2012 at 11:08pm by Cyndie

Maths
A bag contains 10 red marbles, 10 green marbles, 10 yellow marbles and 10 blue marbles. You reach into the bag and grab a marble, then reach into the bag and grab a second marble. The probability that the second marble is the same color as the first marble is ab, where a and b...
Monday, April 15, 2013 at 3:33am by Ian

English
Could you Please help me punctuate this paragraph. on his way home from school tom found a bag on the ground is this bag yours he asked tara no its not my bag I left mine at school I think it might be emma's bag because hers is blue and green tom laughed and said you may be ...
Sunday, September 23, 2007 at 5:38am by Robert

Math help!
A bag contains 9 blue marbles and 1 green marble. What is the probability of drawing a blue marble followed by a green marble, without replacing the first marble before drawing the second marble? Is the answer 1/9?
Thursday, May 30, 2013 at 3:32pm by Jacob

MATH
We have two bags of marbles. The first bag has a ratio of 2 blue marbles to 7 red ones. The second bag has the same ratio. If the 2nd bag has 37 red marbles, how many blue ones does it have?
Wednesday, August 24, 2011 at 10:25am by Anonymous

probability
a bag of 100 marbles contains 0 blue, 25 green, 25 mixed,and 20 clear. what is the probality of selecting a blue? ablue and green? a marble that is not clear? ablue on the first draw and a clearon the second draw? a
Monday, April 25, 2011 at 12:45pm by ryee

research methods
a bag of 100 marbles contains 0 blue, 25 green, 25 mixed,and 20 clear. what is the probality of selecting a blue? ablue and green? a marble that is not clear? ablue on the first draw and a clearon the second draw?
Sunday, April 24, 2011 at 6:16pm by maria

probability
a bag of 100 marbles contains 30 blue, 25 green, 25 mixed,and 20 clear. what is the probality of selecting a blue? ablue and green? a marble that is not clear? ablue on the first draw and a clearon the second draw? a
Tuesday, April 26, 2011 at 12:09am by ryee

Algebra
14) There are 6 marbles in a bag, 3 blue, 2 red, 1 green. Aubrey reaches into the bag and pulls out a marble, does not replace it, then chooses another. What is the probability that Aubrey chides a blue and then a green marble?
Thursday, June 7, 2012 at 12:05am by Sammyjoo

math
sharon is diving her green and blue rock collection into bags. Each bag will contain the same number of each color of rock. How many rocks of each color will be in each bag? there are 16 green marbles and 24 blue
Monday, October 22, 2012 at 8:57pm by Anonymous

math
a bag full of gum drops. 2/3 of which are blue. the red drops are 3/8 of the number of blue. There are 3 green drops. How many drops in the bag?
Friday, March 25, 2011 at 7:36am by Rachel

math
A bag contains 7 red marbles, 2 blue marbles, and 1 green marble. If a marble is selected at random, what is the probability of choosing a marble that is not blue? I have seen so many different answers on this site to this question and am not sure. I thought it would be 7 red...
Saturday, November 27, 2010 at 1:42pm by m

Geometry
A bag contains five pieces pf paper wit hthe emasures of various angles. The angle measures are 23,35,23,41,113. Suppose you pick 3 pieces of paper from the bag at random. What is the probability you can form an isosceles triangle with the three angles?
Sunday, July 24, 2011 at 1:17pm by Lisa

Math 1 9th grade
Well, adding all the marbles together, 3 green marbles and 6 blue marbles, you would get 9 marbles in the bag altogether. If you place the marble back into the bag after drawing it, the probability of getting a green marble would be 3/9, or 1/3 of the bag. If you wanted to get...
Thursday, January 20, 2011 at 7:35pm by Danielle

math214
A box contains four red marbles, seven white marbles and five blue marbles. If one marble is drawn at random, find the probability for each of the following: (a) A blue marble drawn. _____________ (b) A red or a blue marble is drawn. _____________ (c) Neither a red nor a blue ...
Monday, March 8, 2010 at 9:22pm by alicia

Math
Tim put red, white and blue marbles in a bag. One-third are red, one-fourth are are white and ten are blue. how many of each are in the bag and what color are they?
Wednesday, April 14, 2010 at 9:52pm by Sally

maths-probabilty
Bag 1 contains 2 white and 3 red balls and bag 2 contains 4 white and 5 red balls. 1 ball is drawn at random from one of the bags and is found to be red. Find the probability that it was drawn from bag 2
Wednesday, March 20, 2013 at 1:07pm by anoynomous

math
a bag contains 3 blue marbles , and 9 green marbles , and 11 yellow marbles . Twice you draw a marble and replace it . Find P(blue then green) a) 27/529 b) 27/23 c) 15/529 d) 12/23
Thursday, May 9, 2013 at 11:46am by Diana

Pages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | Next>>

Search
Members