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April 21, 2014

Search: 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?

Number of results: 11,601

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

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!

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

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

maths- probabilty(me posted third time)plse answer
There are two bags out of which 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
Tuesday, March 19, 2013 at 2:58pm by anoynomous

maths-probabilty(URGENTLYYY)
There are two bags out of which 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
Tuesday, March 19, 2013 at 8:11am by anoynomous

maths-probabilty
There are two bags out of which 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
Tuesday, March 19, 2013 at 12:57pm by anoynomous

maths
A bag contains 4 red and 3 black balls. A second bag contains 2 red and 4 black balls. One bag is selected at random. From the selected bag, one ball is drawn. Find the probability that the drawn ball is red.
Tuesday, February 5, 2013 at 2:06am by Anonymous

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 ...
Monday, December 10, 2012 at 6:29pm by Jerald

math
a bag contains one red and one white marble.A second bag contains two red marbles and a white one.How many different outcomes are possible if a marble is picked from each bag?The marbles are replaces each time.PLS help :)
Sunday, March 4, 2012 at 6:46pm by zain

math
One bag contains 6 red chips and 5 yellow chips. Another bag contains 6 red chips and 4 yellow chips. A chip is drawn from each bag. What is the probability that both chips are yellow?
Wednesday, December 26, 2012 at 4:49pm by lisa

math (Ms.Sue)
a bag of 25 marbles contains 8 red marbles.if one marble is picked from the bag,what is the probability that it is red in percent? My answer is 32% am i right?
Thursday, March 29, 2012 at 5:32pm by miki

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
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

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

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

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

probability
a bag contains 14 identical balls,3of which are red, 4black and 7 white .5 balls are drawn from the bag .find the probability that[1] are red [2] at least 3 are black
Tuesday, January 17, 2012 at 1:34am by sajid

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
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

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 (Probability)
Hassan has a bag which contains 20 coloured discs. He randomly chose three discs from the bag and found that two were red and one was white. a) Based on this sample, how many of each coloured disc are in the bag? b) Hassan returned the three discs to the bag and then randomly ...
Sunday, June 10, 2012 at 8:34pm by Jason

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

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
Wednesday, April 24, 2013 at 10:50pm by Natasha

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

probability
Bag A contains 3 white marbles and 2 red marbles. Bag B contains 6 white marbles and 3 red marbles, find the probability of drawing a white marble from Bag A followed by a white marble from Bag B.
Tuesday, March 30, 2010 at 10:37am by jon

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

conditional probability
You have two bags of marbles. Bag 1 has 5 red and 6 blue marbles. Bag 2 has 20 green and 5 red marbles. What is the probability of drawing a red marble out of Bag 2, given that you drew a red marble out of Bag 1?
Tuesday, July 17, 2012 at 3:38pm by Anonymous

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
A bag contains 5 red balls and 4 white balls. Two balls are drawn at random from the bag. The first ball drawn is put back into the bag before the second ball is drawn. What is the probability that two balls drawn are both red?
Monday, April 16, 2012 at 8:12pm by Sandeep

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

probabilities
A bag contains 3 green balls. 2 red balls and a white ball. A boy randomly draws balls from the bag one at a time (with replacement) until a red ball appears. Find the probability that he will make at least 3 draws.
Tuesday, November 20, 2012 at 7:27am by joanna

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

statistics
the average proportion of red candies in a pakage is 20% and an 8 oz package contains about 250 candies.What is the probability that a randomly selected 8 oz bag contains less than 45 red candies?
Friday, March 22, 2013 at 12:50am 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

Statistics
Suppose a bag contains 7 red chips, 8 black chips, and 3 green chips. You draw two chips (without replacement) from the bag. Find the probability that you drew a red chip first and then a black chip second.
Friday, April 30, 2010 at 11:01pm by Savannah

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
A bag of marbles contains 5 red, 12 blue and 5 yellow. What is the ratio of red marbles to non red marbles?
Monday, April 9, 2012 at 4:35pm by Sarah

statistics
1. first draw is a red, now bag B contains 3R, 2W, and 2B prob of both red = (1/2)(3/7) = 3/14 2. prob that 2nd is read, given that the first is red = 3/7
Monday, October 4, 2010 at 9:38pm by Reiny

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

Probability
A bag contains some balls of which 1/4 are red. Forty more balls of which 5 are red are added. If 1/5 of all the balls are red, how many balls was there originary?
Monday, April 9, 2012 at 4:42am by Amponsah

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
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
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

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

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

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-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

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
one bag of jelly beans contains 14 red jelly beans. how many red jelly beans would be found in 4 bag of jelly beans
Monday, August 2, 2010 at 6:35pm by kamleen

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

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
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
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

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
if a bag contains 6 red and 4 blue marbles and one is taken out and not put back and another is taken out is the problility that both are red
Tuesday, September 27, 2011 at 11:14pm by nicki

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

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
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
Wednesday, September 12, 2012 at 10:53am by Cheryl

maths-probabilty
The probabilities for drawing a red ball from a particular bag are: P(red|bag1) = 3/5 P(red|bag2) = 5/9 The conditional probability that a variable X takes some value given that another variable Y takes some value, denoted as P(X|Y) is related to the joint probability as ...
Wednesday, March 20, 2013 at 1:07pm by Count Iblis

Math
A bag contains 5red balls and 4 white balls. Two balls are drawn at random from the bag. The first ball drawn is put back into the bag before the second ball is drawn. What is the probability that the two balls drawn are both red?
Monday, April 16, 2012 at 8:56pm by Sue

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

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

math
Billy has a bag of candy that contains 13 red pieces, 9 green pieces, 3 yellow pieces, and 7 orange pieces. If Billy reaches into the bag without looking, what color is he least likely to get?
Sunday, January 9, 2011 at 7:18am by Bruce

Statistics
There are 100 marbles in a bag. 200people are asked to draw a ball. Each marble drawn is put back into the bag before the next draw. 7 people draw red color marbles. How many red marbles are there in the bag?
Thursday, March 4, 2010 at 2:19pm by Anne

Math
(1) bag contain 5 red ball,6 yellow balls 8 while balls.A ball 10 picked form the bag at random find the probability that the ball as (a)red or while (b)yellow or red(c)not red(d)neither red not yellow?
Thursday, May 17, 2012 at 12:23pm by Isadaniel

math
A bag contains 5 green marbles, 3 yellow marbles and 2 red marbles. What is the probability of picking three green marbles from the bag without replacement?
Monday, April 15, 2013 at 12:59am by meoow

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

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 2 red marbles, 4 green ones, 1 lavender one, 2 yellows, and 6 orange marbles. How many sets of four marbles include all the red ones?
Wednesday, April 1, 2009 at 9:19pm by Suzie

MATH
A bag contains 2 red marbles, 4 green ones, 1 lavender one, 2 yellows, and 6 orange marbles. How many sets of four marbles include all the red ones?
Friday, April 10, 2009 at 5:27pm by Suzie

Discrete Math
A bag contains 5 red marbles, 4 yellow marbles, 3 green marbles, 2 orange marbles and 2 purple marbles. If three marbles are removed, what is the probability that at least one of them is red?
Sunday, January 19, 2014 at 2:27pm by Steven

Algebra
A bag contains 10 red marbles and 20 white marbles. You draw a marble, keep it, and draw another. What is the probability of drawing two red marbles?
Thursday, June 3, 2010 at 9:33pm by in need of help

10th grade
mary has a bag which contains 5 green marbles, 7 red marbles, and 9 blue marbles. without looking what is the probability of her pulling a red or a green marble
Wednesday, September 15, 2010 at 12:10pm by tune

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 3 red marbles, 2 green ones, 1 lavender one, 2 yellows, and 4 orange marbles. How many sets of four marbles include all the red ones? 1Your answer is incorrect.
Sunday, November 7, 2010 at 9:35pm by liz

Math 102
A bag contains six marbles, of which four are red and two are blue. Suppose two marbles are chosen at random and X represents the number of red marbles in the sample. Looking for the expected value of X.
Monday, March 21, 2011 at 10:46pm by Sean

Math
There are 5 red ,3 green and 4 blue marbles in a bag.what would be the chance of getting a red marble if the marble was pulled out of the bag without looking?
Tuesday, November 12, 2013 at 5:56pm by Pietro

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
A bag holds 40 erasers that are each the same size and shape.Eight of the erasers are red. You reach into the bag and select one eraser at random, what is the probability it is not red?
Tuesday, April 19, 2011 at 6:31pm by Savanna

math
if there are 16 marbles in a bag and 8 are red red with 6 green and 2 blue what is the probability of getting matching marbles in 2 draws from the bag
Tuesday, October 16, 2012 at 4:13am by jon apples

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

algebra 2
A bag contains 4 white marbles, 3 red marbles, 2 green marbles, and 1 yellow marble. what is the probability of reaching in the bag and randomly choosing a white marble?
Monday, March 15, 2010 at 1:18am by zac

Discrete Math
A bag contains 4 red, 6 white and 9 green marbles. How many ways can 3 red, 2 white and 1 green marbles be selected? Do you used permutation or combination, give your reasoning.
Monday, October 22, 2012 at 4:04pm by Eddie

Math 7th Grade
A bag contains 5 red,2 blue,and 4 white marbles. What is the probabiltiy If Sam picked a red marble replaced it and picked a white marble?
Wednesday, May 22, 2013 at 5:23pm by Adnan

math
a bag contains 12 black checkers and 12 red checkers. What is the probability of choosing two red checkers?
Sunday, January 23, 2011 at 2:37pm by chris

algebra
if i had 1bag containing 6red chips & 5 yellow chips. another bag contains 6 red chips and 4 yellow chips. a chip is drawn from each bag what is the probability that both chips are yellow
Thursday, December 29, 2011 at 9:12pm by chaye

Stats
A bag contains 13 marbles; 3 blue, 2 green and 8 red. Without replacement find the following probabilities. a) P(both have the same color) b) P(different colors) c) P(G2|R1) d) P(G2 or R2) e) P(no red marbles) f) P(G2 and B2)
Friday, March 2, 2012 at 5:59pm by Nichole

Math Statistics
A bag contains 13 marbles; 3 blue, 2 green and 8 red. Without replacement find the following probabilities. a) P(both have the same color) b) P(different colors) c) P(G2|R1) d) P(G2 or R2) e) P(no red marbles) f) P(G2 and B2)
Friday, March 2, 2012 at 3:42pm by Nichole

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

probability
A bag contains 3 red marbles, 3 blue marbles and 3 yellow marbles. Which of the following methods of selecting 2 marbles will have the greater probability of choosing 2 red marbles?
Saturday, March 29, 2014 at 4:45pm by Matt

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

math 7
Mary had a bag that contains 9 green marbles, 7 red marbles, and 8 blue marbles. whats the prob that Mary will draw a green or red marble\
Thursday, March 14, 2013 at 12:29am by rockrboiluvr

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

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

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

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