Saturday

October 22, 2016
Number of results: 107,329

**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:

*October 9, 2009 by cindy*

**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 ...

*August 7, 2009 by B.B.*

**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 ...

*March 8, 2010 by alicia*

**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?

*February 21, 2010 by Lyndse*

**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?

*February 28, 2012 by Megan*

**statistics**

a jar contains red and blue marbles. two marbles are chosen without replacement. the probability of choosing a red marble and then a blue marble is .26, and the probability of selecting a blue marble first is .43. what is the probability of selecting a red marble on the second...

*November 12, 2014 by karen*

**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?

*April 18, 2014 by Lyla*

**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?

*May 21, 2010 by Thomas*

**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 ...

*January 25, 2007 by Preston*

**math**

a bag contains 6 blue marbles and 10 red marbles. If you choose one marble at random, and then another marble at random, what is the probability that both marbles are blue?

*July 22, 2016 by carol*

**math**

(1) A bag contains 3 red marbles and 5 blue marbles. Jake will choose 2 marbles without looking. What is the probability that he will choose a blue marble followed by a red marble? (2) Suppose Jake wants to pick a third marble from the set in question 1. He has already picked ...

*January 15, 2012 by gary*

**math**

I have a bag that contains 10 red marbles, 9 green marbles, and 6 blue marbles. I reach into it and take one marble at random. Keeping that marble, I reach into the bag again and take a second marble at random. a. What is the probability that the first marble is green and the...

*February 4, 2015 by joanna*

**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.

*May 26, 2010 by John*

**Math**

A bag contains 4 green marbles, 6 red marbles, and 2 white marbles. Three marbles are drawn at random with replacement. With replacement means that after a marble is drawn, it is replaced before the next one is drawn. Find the probability of all three blue.

*May 18, 2012 by Junior*

**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

*May 26, 2010 by John*

**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

*April 8, 2012 by kristen*

**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

*April 13, 2007 by dillon*

**Math**

A bag contains 3 red marbles, 5 yellow marbles, and 4 blue marbles. One marble is chosen at random. What is the probability that the chosen marble will be blue? A) 1/12 B) 1/4 C) 1/3 D) 3/4 I think it is B. 1/4

*June 13, 2016 by Rochelle*

**probability Please check answer**

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 red marbles plus 1 green marble = 8/10 = answer = 4/5

*May 2, 2010 by Bart*

**math**

One white marble, two blue marbles, and three red marbles were in a bag. One marble was drawn from the bag and then put back. then another marble was drawn. What is the probability that a white marble was drawn both times? Is the answer 1/36? 1/6 * 1/6

*June 17, 2013 by cici*

**math**

one white marble, two blue marbles, and three red marbles were in a bag. One marble was drawn from the bag and then put back. then another marble was drawn. What is the probability that a white marble was drawn both times? answer: 1/36

*August 27, 2013 by cici*

**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?

*July 14, 2009 by sweetangle*

**Math**

A bag of marbles contains 5 red, 3 blue, 2 green, and 2 yellow marbles. What is the probability that you choose a blue marble and then another blue marble, assuming you replace the first marble? A)1/24 B)1/16 C)1/2 D)3/4 D? or C? Sarah rolls a die twice. What is the ...

*October 14, 2015 by Hailey*

**math**

a box contains seven red marbles, five green marbles & eight blue marble. a marble is drawn at random & is replaced. a second marble is then drawn from ther jar. find the probabilty that the first marble is red & second is green

*March 17, 2016 by thomas*

**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

*July 21, 2012 by gab*

**Math liberal Arts**

A bag contains 5 red marbles, 4 blue marbles, and 1 green marble. If a marble is selected at random, what is the probability that it is not blue?

*November 19, 2014 by Jamie*

**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

*December 18, 2012 by bryce*

**Probability**

jeff has 8 red marbles, 6 blue marbles, and 4 green marbles that are the same size and shape. he puts the marbles into a bag, mixes the marbles, and randomly picks one marble. what is the probability that the marble will be blue?

*April 24, 2016 by Jay*

**math**

a box contains seven red marbles, five green marbles & eight blue marble. a marble is drawn at random & is replaced. a second marble is then draw from the jar. find the probabilty that both marbles are green

*March 17, 2016 by thomas*

**Math :)**

In a bag of 10 marbles, there are 5 blue marbles, 3 red marbles, and 2 white marbles. Complete the probability distribution table for drawing 1 marble out of the bag. Draw a: Probability Blue marble 5/10 Red marble 3/10 White marble 2/10 Total: 10 Am I doing this right? Thanks...

*December 6, 2013 by Kamie*

**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...

*November 27, 2010 by m*

**math**

A bag of marbles contains 8 red marbles and 6 yellow marbles. Two marbles are drawn out of the bag at random without replacement. What is the probability that first a red marble then a yellow marble are drawn? Represent your answer as a fraction in simplest form.

*April 22, 2015 by jasmine*

**math**

An urn contains 5 red marbles, 4 blue marbles, and 3 green marbles. A marble is selected at random and then, without replacing the first marble, a second marble is selected at random. What is the probability of selecting a green marble and then a red marble?

*November 16, 2011 by Melissa*

**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*

**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...

*April 15, 2013 by Ian*

**math check probability**

5. A bag contains 7 green marbles and 4 white marbles. You select a marble at random. What are the odds in favor of picking a green marble? A. 7:11**? B. 7:4 C. 4:7 D. 3:7 ------------------------------------ 6. Food Express is running a special promotion in which customers ...

*May 4, 2014 by k.k*

**math plz help**

The contents of a jar holds 4 red marbles, 7 blue marbles, and 5 green marbles from which you select marbles at random. What is the probability of selecting a red marble, replacing it, and then selecting a blue marble? Show your your work. Is it 4/16 for picking red then 7/16 ...

*April 16, 2015 by Pink*

**Math**

there are 3 red marbles , 3 blue marbles and 1 green marble in a bag. A marble is drawn at random from the bag and not replaced. Then a second marble is drawn. What are all the possible outcomes?

*March 3, 2011 by Help*

**math**

There are 3 red marbles, 3 blue marbles, and 1 green marble in a bag. A marble is drawn at random from the bag and not replaced. Then a second marble is drawn. What are all the possible outcomes?

*March 3, 2011 by Holden*

**Geometry**

There are 4 blue marbles, 5 red marbles, 1 green marble, and 2 black marbles in a bag. Suppose you select one marble at random. Find each probability

*January 26, 2015 by Blue*

**Math Probability**

In a bag of 10 marbles, there are 5 blue marbles, 3 red marbles, and 2 white marbles. Complete the probability distribution table for drawing 1 marble out of the bag Probability Blue marble Red marble White marble Total:

*March 23, 2010 by Marcie *

**math**

If there are 6 blue marbles and 2 red marbles in a bag, what is the probability of picking a blue marble then another blue marble if you do not replace the first marble P(B,B)? 3/4 x 5/7 or is it 3/4 x 6/7?

*March 12, 2011 by jake*

**Can you check an answer for me?**

There is a jar with 16 marbles. 4 are red, 7 are blue, and 5 are green. You select two marble at random. One marble is drawn and not replaced. Then a second marble is drawn. What is the probability of selecting a red marble and then another red marble? a. 3/64 b. 1/4 c. 1/20 d...

*February 20, 2016 by Frank*

**Math**

A box contains 3 red marbles, 6 blue marbles, and 1 white marble. The marble are selected at random, one at a time, and are not replaced. Find the probability. P(blue and red) Please help me

*February 2, 2012 by Lisa*

**Math**

A box contains 3 red marbles, 6 blue marbles, and 1 white marble. The marbles are selected at random, one at a time, and are not replaced. Find the probability. P(red and blue and blue) Please help me

*February 2, 2012 by Mike*

**Math**

Value has a bag that contains,9 blue marbles and , 13 yellow marbles she selects a marble at random,and then without replacing the first one selects another marble at random what is the probability that value selects a blue marble and then a yellow marble to round to the ...

*May 22, 2016 by Anonymous*

**math**

A bag has 4 red marbles, 4 blue marbles, and 2 green marbles. Jessie draws a marble from the bag at random, notes the color, and then replaces the marble.She then draws a second marble at random.What is the probability that both the marbles are green? a. 1/45 b. 1/25 c. 1/5 d...

*April 17, 2014 by thomas*

**algebra2/ Trigonometry**

A bag contains 24 green marbles, 22 blue marbles, 14 yellow marbles, and 12 red marbles. Suppose you pick one marble at random. What is each probability? A. P(yellow) B. P( not blue) C. P( green or red) Tip: High School Math

*June 1, 2014 by khiana*

**math**

There are two jars, A and B. Jar A contains 7 red and 2 blue marbles, while jar B contains 5 red and 4 blue marbles. You roll a fair die.If you get a 2 or a 3, you pick a random marble from jar A and put it in jar B. You then pick a random marble from jar B. Else you pick a ...

*February 4, 2016 by daniel johnson*

**Math **

Tom keeps all of his favorite marbles in a special leather bag. Right now, five red marbles, four blue marbles, and yellow marbles are in the bag. If he randomly chooses one marble to give to a friend what is the probability that it is blue ?

*August 22, 2016 by Patience *

**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

*October 25, 2013 by Tomas*

**math**

In a jar there are 4 red marbles 5 green marbles and 7 blue marbles. 1 what us the probability of selecting a red marble replacing it and then selecting a blue marble 2 What is the probability of selecting a red marble setting it aside and then selecting a blue marble 3 are ...

*December 17, 2015 by please help*

**elem math core**

A bag contains one each of red, blue, green, yellow and white marbles. Give the sample space for the following experiments. A) one marble is drawn at random B) one marble is drawn, but not replaced,and then a second marble is drawn.

*July 11, 2012 by jordan*

**Is my answer correct tutors**

A bag of 7 blue marbles, 8 green marbles, 9 yellow marbles. If one marble is drawn from the bag but not replaced, what is the probability of drawing a blue marble then a yellow marble? My answer is: 7/24 * 9/23 = 63/552 = 21/184

*October 1, 2016 by Anonymous*

**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?

*January 20, 2011 by Sandra*

**Math probability - HELP**

A bag contains 3 red, 5 yellow, 2 green and 6 blue marbles. If one marble is chosen at random, replaced, and then a second marble is chosen at random, find the probability of obtaining 2 marbles of different colors.

*January 23, 2014 by Bryan*

**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?

*March 3, 2011 by Kay*

**Math**

A bag contains 3 red, 5 yellow, 2 green and 6 blue marbles. If one marble is chosen at random, replaced, and then a second marble is chosen at random, find the probability of obtaining 2 marbles of different colors.

*January 22, 2014 by Bryan*

**math**

A bag contains 8 green marbles,5 blue marbles, and 4 white marbles,If one marble is drawn from the bag, what is the probability of drawing a white marble and a green marble (on the same draw)

*October 12, 2016 by zzz*

**math**

A bag contains three green marbles, four blue marbles and two orange marbles. If a marble is picked at random than the probability that it is not and orange marble is

*November 3, 2014 by emok*

**math**

A bag contains three green marbles, four blue marbles and two orange marbles. If a marble is picked at random than the probability that it is not and orange marble is

*December 6, 2014 by chow*

**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?

*May 9, 2012 by Hannah*

**Math**

A bag of marbles contains 5 red, 3 blue, 2 green, and 2 yellow marbles. What is the probability that you choose a red marble and then a green marble assuming you replace the first marble? A) 1/ 24 B) 5/ 72 C) 5/ 66 D) 5/ 6

*September 2, 2015 by Kaleem*

**Math**

33. A bag of marbles contains 5 red, 3 blue, 2 green, and 2 yellow marbles. What is the probability that you choose a red marble and then a green marble assuming you replace the first marble? A) 1/24 B) 5/72 C) 5/66 D) 5/6

*May 16, 2016 by Kyle*

**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)

*July 22, 2008 by Nathaniel*

**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?

*May 5, 2011 by Cassidy*

**math**

From a box containing 5 blue marbles,10 red marbles,and 8 yellow marbles,Lisa removed 3 marble,one of which was blue.f she removes one more marble at random,what is the probability that it will be blur? a. 1/4 b. 5/21 c. 1/5 d. 2/7 e. 1/6 please answer and explain

*October 16, 2014 by thomas*

**Probability?**

A bag contains 7 green marbles, 9 red marbles, 10 orange marbles, 5 brown marbles, and 10 blue marbles. You choose a marble, replace it, and choose again. Find P(red, then blue).

*April 22, 2013 by Katie*

**math**

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? Randomly choose a marble don't replace it then randomly choose another marble

*March 29, 2014 by Matt*

**Marbles**

A jar contains 9 red marbles numbered 1 to 9 and 7 blue marbles numbered 1 to 7. A marble is drawn at random from the jar. Find the probability that the marble is blue or even-numbered.

*October 1, 2016 by Anonymous*

**Marbles**

A jar contains 9 red marbles numbered 1 to 9 and 7 blue marbles numbered 1 to 7. A marble is drawn at random from the jar. Find the probability that the marble is blue or even-numbered.

*October 1, 2016 by Anonymous*

**To Steve**

Sorry here is completed question 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? 1- Randomly choose a marble don't replace it then randomly ...

*March 29, 2014 by Matt*

**Marbles**

A bag contains 10 green marbles, 9 white marbles, 7 red marbles. If one marble is drawn from the bag then replaced, what is the probability of drawing a green marble then a red marble?

*October 8, 2016 by Billy*

**Math**

***PS: I can't put the diagram so I type it.*** The diagram below shows the contents of a jar from which you select marbles at random. Inside the jar there is 16 marbles. Inside the jar there is 4 red marbles. 7 blue marbles. 5 green marbles. a. What is the probability of ...

*May 8, 2014 by Chloé*

**probability**

A bag contains 8 red; marbles, 2 blue; marbles, and 1 green marble. What is the probability that a randomly selected marble is not blue?

*August 9, 2016 by karisma*

**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??

*August 8, 2009 by Twg*

**math**

rene put 2 blue marbles, 2 green marbles, 2 red marbles and 2 white marbles in a bag, if Rene takes 1 marble out of the bag without looking, what is the probability of rene drawing a blue marble?

*January 30, 2014 by Larry*

**math 2**

a bag contains 8 blue marbles 6 red marbles and 4 green marbles .What is the probability of selecting a blue marble, replacing it in the bag and then selecting a red marble ?

*June 25, 2015 by denise*

**Math ---HELP!!!!!**

A bag contains 4 red marbles, 3 blue marbles, and 7 green marbles. If a marble is randomly selected from the bag, what is the probability that it is blue? A. 2/11 B. 3/11 C. 5/14 D. 3/14 D

*May 30, 2016 by angela*

**MATH**

A bag contains 2 red marbles, 4 blue marbles, and 8 green marbles. What is the probability of choosing a blue marble?

*November 22, 2011 by Anonymous*

**math help **

1. A bag contains red, blue, green, and yellow marbles. Seth takes a marble from the bag without looking, records the color of the marble, and then puts the marble back in the bag. He repeats the process until he has recorded the colors of 35 marbles. The chart below shows the...

*June 6, 2014 by may ann*

**math**

a jar contains 5 blue marbles, 8 red marbles,4 white marbles,and 3 purple marbles. suppose you pick a marble at random not looking. what is the chance of getting a red marble

*October 20, 2013 by wes*

**8th Grade Algebra**

Tim and Sasha have a bag containing 7 red marbles, 3 blue marbles, 6 white marbles, and 4 yellow marbles. Tim reaches in, without looking, pulls out a marble, records the color, and then puts the marble back.Sasha then does the same thing. What is the probability that Tim and ...

*February 18, 2011 by Elizabeth*

**math**

Hi! I'm Maddie. I need some help on my homework. Here are three problems I need help with: 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 ...

*August 21, 2013 by Maddie*

**Finite math and probability **

A jar contains 9 red marbles numbered 1 to 9 and 7 blue marbles numbered 1 to 7. A marble is drawn at random from the jar. Find the probability that the marble is blue or even-numbered. I had 1/7

*October 2, 2016 by Anonymous*

**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**

1. A bag contains red, blue, green, and yellow marbles. Seth takes a marble from the bag without looking, records the color of the marble, and then puts the marble back in the bag. He repeats the process until he has recorded the colors of 35 marbles. The chart below shows the...

*January 15, 2015 by Sara*

**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?

*May 5, 2011 by heather*

**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

*November 27, 2012 by king chris*

**harris middle school**

a bag contains 5 red marbles,4 white marbles, and 9 blue marbles. you pick a marble without looking. find the probability of drawing a white marble.

*January 26, 2012 by mary*

**math**

23.Suppose you choose a marble from a bag containing 6 red marbles, 3 white marbles, and 4 blue marbles. You return the first marble to the bag and then choose again. Find P(red and blue). a. 10/13 b. 9/13 c. 24/169 d. 24/13

*May 29, 2012 by Anonymous*

**math**

if a bag has one red marble 2 blue marbles and 1 green marble what is the theoretical probability of picking a blue marble?

*October 27, 2011 by Nick Bell*

**Help ASAP**

A jar contains 5 red marbles, numbered 1 to 5, and 12 blue marbles numbered 1 to 12. a) A marble is chosen at random. If you're told the marble is red, what is the probability that it has the number 3 on it? b) The first marble is replaced, and another marble is chosen at ...

*October 8, 2016 by Anonymous*

**algebra PLEASE HELP ASAP**

1. A bag contains 9 green marbles and 11 white marbles. You select a marble at random. What are the odds in favor of you picking a green marble? a. 9:20 b. 2:9 c. 11:9 d.9:11 my answer is d? 2. A bag contains 5 green marbles, 8 red marbles, 11 orange marbles, 7 brown marbles, ...

*May 3, 2016 by Anon*

**Math Probability question**

A jar contains four marbles, each a different color: red, blue, green and yellow. If you draw two marbles from the jar, one after another, replacing the first before drawing the second, what is the probability of getting a. two red marbles b. a red marble on the first draw and...

*January 23, 2010 by C.J *

**probability math question**

a bag contanins 7 red marbles, 2 blue marbles, and 1 green marble. What is the probabilty of choosing a marble that is not blue?

*March 23, 2014 by Anonymous*

**algebra**

A bag contains 9 marbles: 2 are green, 4 are red, and 3 are blue. Laura chooses a marble at random, and without putting it back, chooses another one at random. What is the probability that both marbles she chooses are blue? Write your answer as a fraction in simplest form.

*November 29, 2015 by denora*

**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

*March 21, 2013 by Nangoyi*

**statistics**

a bag contains 4 blue marbles,6 red marbles, 10 yellow marbles and 6 green marbles.What is the probability of not drawing a red marble?

*August 23, 2016 by dennis*

**Algebra 2**

a bag contains 3 red marbles and 6 green marbles a marble is drawn and then replaced a second marble is drawn and replaced and then a third marble is drawn what is the probability that a red marble is drawn all 3 times?

*January 29, 2012 by Anonymous*