Saturday

December 20, 2014

December 20, 2014

Number of results: 109,592

**math/probability**

If two fair dice are rolled, find the probability of a sum of 6 given that the roll is a "double". How do I do this?
*December 7, 2009 by Brian*

**MATH Prob.**

if you have two fair dice that are rolled, what is the probability of a sum 6 given that the roll is a 'double'?
*August 8, 2009 by Twg*

**Probability**

When two fair six-sided dice are rolled, there are 36 possible outcomes. Find the probability that either doubles are rolled or the sum of the two dice is 8.
*April 30, 2014 by Jessica*

**Math**

At this year's State Fair, there was a dice rolling game. If you rolled two dice and got a sum of 2 or 12, you won $20. If you rolled a 7,you won $5. Any other roll was a loss. It cost $3 to play one game with one roll of the dice. What is the expectation of the game?
*June 18, 2014 by Shelagh*

**algebra**

two dice are rolled. if a 3 appears on either dice,then the two dice are rolled again and the two dice are added togather. if a 3 does not appear, then we ll add the two dice togather. if the sum of two dice is even ,i win and if the sum is odd,you win. what is the probability...
*September 14, 2008 by deborah*

**Statistics**

In a game you roll two fair dice. If the sum of the two numbers obtained is 3,4,9,10 or 11 you win $20. If the sum is 5,6,7 or 8 you pay $20. However if the scores on the dice are the same no one is required to pay. (a) Construct a probability distribution table for the event...
*December 14, 2013 by Edmund*

**Probability**

Two fair dice are rolled together. The probability that the sum rolled is greater that 8 is?
*November 15, 2009 by Anna*

**statistic**

Roll two 6-sided dice and examine their sum. a) How long will it take to roll "snake-eyes" (a pair of ones)? b) What is the probability of rolling a sum of 7 on the first roll? c) What is the probability of rolling a sum of 7 on the fourth roll? d) What is the probability of ...
*April 1, 2014 by Bill*

**arithmetic**

Assume you roll a fair dice twice. Two rolls are independent and identically distributed, with probability of rolling a particular number being 1/6. So, for instance, the probability of rolling 5 and then 2 is P(5,2) = P(5) ⋅ P(2) = 1/6 ⋅ 1/6 = 1/36 Consider a ...
*June 1, 2013 by Anonymous*

**Math Probability dice roll**

two fair dice are rolled, find the A)odds of getting a 9 B) the odds against getting a 12
*April 16, 2012 by janet*

**probability**

two fair six-sided dice are rolled and the sum of the dots on the top faces is recorded. a) complete the table, showing the number of ways each sum can occur sum: 1 2 3 4 5 6 7 8 9 10 11 12 ways:1 2 3 b)use the table to find the probability of the following events. A:the sum ...
*November 27, 2012 by mary*

**math**

a pair of dice is rolled. is the event of rolling a sum of the dice is an odd number. Find the probability that the sum is a five or a ten, given that an odd sum is rolled.
*June 16, 2011 by libeed*

**Math**

when two fair dice are rolled find the probability that the sum is even and greater than 8
*November 21, 2010 by Barbara*

**Math Probability**

Find the (theoretical) probability of a given event, assuming that the dice are distinguishable and fair, and that what is observed are numbers uppermost. Two dice are rolled; the numbers add to 7. 1
*December 3, 2010 by Liz*

**arithmetic**

Assume you roll a fair dice twice. Two rolls are independent and identically distributed, with probability of rolling a particular number being 1/6. So, for instance, the probability of rolling 5 and then 2 is P(5,2) = P(5) ⋅ P(2) = 1/6 ⋅ 1/6 = 1/36 Consider a ...
*June 1, 2013 by Anonymous*

**mathhw**

a pair of dice is rolled. find the probability that the sum of the dice is an odd number. also, find the probability that the sum is a 5 or 10 given that an odd sum is rolled
*June 16, 2011 by jen*

**math**

Find the expected value, ́, for the sum of two fair dice. The probability distribution for the sum of two dice is given in the table. ́ = 1 2=1/36, 3=2/36, 4=3/36, 5=4/36, 6=5/36, 7=6/36, 8=5/36, 9=4/36, 10=3/36, 11=2/36, 12=1/36
*October 9, 2010 by Anonymous*

**math**

Find the expected value, u, for the sum of two fair dice. The probability distribution for the sum of two dice is given in the table. u = 1 2=1/36, 3=2/36, 4=3/36, 5=4/36, 6=5/36, 7=6/36, 8=5/36, 9=4/36, 10=3/36, 11=2/36, 12=1/36
*October 10, 2010 by Anonymous*

**Math-Probability **

Please explain how to get the answer.I have now idea. 1.If you roll two fair dice,one red and one green,what is the probability of getting a 2 on the red die and a 3 on the green die? Give answer in a reduced fraction. 2.If you roll two fair dice,one red and one green,what is ...
*November 14, 2013 by Kaylee*

**math**

suppose a pair of dice is rolled. Consider the sums of numbers on the top of the dice. Find the probabilities: a) P(5, given that the sum are odd) b) P(odd, given that the sum rolled is 5) c) P(7, given that one of the dice rolled was odd)
*October 31, 2008 by ken*

**statistics**

2. Two fair dice are rolled at the same time and the number of dots appearing on both dice is counted. Find the probability that the sum is A. 7 B. is an odd number greater than 6 C. is less than 2 D. Is more than 12 E. Is "Snake Eyes"
*May 18, 2009 by jamar*

**Probability**

What is the probability of the sum of two fair dice equals a prime number when rolled once?
*August 29, 2010 by Diane*

**probabbility**

Find the (theoretical) probability of a given event, assuming that the dice are distinguishable and fair, and that what is observed are numbers uppermost. Two dice are rolled; the numbers add to 7. 1
*December 3, 2010 by LC*

**math**

You are going to roll two dice. Let the variable x = the sum of the numbers rolled. What is the probability that x = 9?
*May 16, 2013 by tariq*

**math**

two dice are rolled find the probability of getting a 5 on either dice or the sum of both dice is 5
*April 25, 2009 by yorkie16*

**Probability NEED HELP**

1. When two fair dice are tossed, what is the probability of a sum of 4 or a sum of 8? 2. When two fair dice are tossed, what is the probability of doubles or a sum over 9? 3. Evaluate 1025! / 1022! Please help
*May 11, 2011 by Hannah*

**MATH**

If two dice are rolled, what is the probability of rolling a sum of 6, given that doubles are not rolled?
*June 13, 2011 by CHANDA*

**Algebra 1 math**

Deborah rolls two fair dice. What is the probability that the sum of the numbers rolled is 7?
*April 29, 2014 by HELP PLEASE*

**Probability**

1. When two fair dice are tossed, what is the probability of a sum of 4 or a sum of 8? 2. When two fair dice are tossed, what is the probability of doubles or a sum over 9? 3. Evaluate 1025! / 1022! Please help
*May 11, 2011 by Hannah*

**Probability**

You roll two dice. What is the probability that the sum of the dice is even and one die shows a 4? A 6x6 table of dice outcomes will help you to answer this question. A. 1/6. B. 5/18. C. 2/3. D. 5/36.
*May 8, 2013 by so confused!*

**Math**

Two "Loaded" Dice each ahve the property that a 2 or a 1 is three times as likely to appear as a 1, 3, 5, or 6 on each roll. What is the probabilitiy that a 7 will be the sum when the two dice are rolled?
*May 20, 2008 by Jacquelina*

**math**

Two dice are rolled. Find the probability of getting a 5 on either die or the sum of both dice is 5.
*June 9, 2011 by CC*

**Math**

Two dice are rolled. Find the probability of getting a 5 on either die or the sum of both dice is 5
*March 31, 2013 by Char Jay*

**math**

Two dice are rolled. Find the odds that the score on the dice is either 7 or 12. Am I doing this right? There are only 3 ways to equal 7 on two dice 6+1,5+2,4+3 so there is a 3/12 chance that I roll a 7 and a 1/12 chance of rolling a 12. my chances of rolling the sum of 7 or ...
*September 23, 2009 by sam*

**Math/ Probability**

Please Help!!! A pair of dice are rolled and the sum on their upturned faces is recorded. WHat is the probability that the sum showing is 8, given that one dice is showing a 5?
*May 12, 2010 by lisa*

**Math**

Three fair dice are rolled, and all outcomes are equally likely. What is the probability that the sum of all the numbers on the dice is at most 6?
*September 11, 2012 by Dylan*

**Math**

Three fair dice are rolled, and all outcomes are equally likely. What is the probability that the sum of all the numbers on the dice is at most 6?
*September 11, 2012 by Dylan*

**Math**

You are given 9 to 1 odds against rolling a sum of 8 with the roll of two fair dice, meaning you win $9 if you succeed and you lose $1 if you fail. Find the expected value (to you) of the game.
*September 30, 2012 by Alisha*

**Math- Probability **

Two regular dice are rolled. what is the probability that the sum is even, given that both numbers are odd?
*June 6, 2012 by G*

**biology**

One rule of probability can be expressed as the following: The probability of two independent events occurring simultaneously is the product of the probability of their occurring separately. If, for example, you had a pair of dice and rolled each die one at a time, what would ...
*November 11, 2009 by liam*

**biology**

One rule of probability can be expressed as the following: The probability of two independent events occurring simultaneously is the product of the probability of their occurring separately. If, for example, you had a pair of dice and rolled each die one at a time, what would ...
*November 11, 2009 by liam*

**statistics**

If a dice is rolled one time, classical probability would indicate that the probability of a "two" should be 1/6. If the dice is rolled 60 times and comes up "two" only 9 times does that suguest that the dice is loaded? why or why not
*October 4, 2009 by ester sanderson*

**Finite Math**

Bill and Fred are betting on the outcome when two fair dice are rolled. If the dice sum is any even number, other than 8, Bill pays Fred $8. If the dice sum is 8, Bill pays Fred $1. If the dice sum is odd, Fred pays Bill $2. What is Fred's expected payoff for this game?
*May 15, 2014 by Preet*

**math**

two 6 sided dice are rolled.what is the probability the sum of the 2 numbers on the dice will be 4 Is 1/3 right?
*October 27, 2009 by rency*

**Math- Alg 2**

Help finding probability involving combinations? What is the probability of winning in this game ( Show calculation and all works) - The board is a number ranging from 1 - 12 - Player place a coin in the desire number 1,2,3,4 etc. - Roll 2 dice - To win get the sum of the two ...
*February 15, 2012 by albertha kurniawan *

**Statistics **

Two dice are tossed. What is the probability that the sum of both dice is a prime number? This is what I have so far Presuming two fair, 6-sided dice, each numbered 1 through 6: You can achieve one of the following results on any given roll: 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12...
*July 2, 2013 by Meg*

**Stats**

Two dice are tossed. What is the probability that the sum of both dice is a prime number? this is the answer i have ; Presuming two fair, 6-sided dice, each numbered 1 through 6: You can achieve one of the following results on any given roll: 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12...
*July 1, 2013 by Megan*

**math**

A pair of dice is rolled once. suppose you lose $9 if the dice sum to 9 and win $11 if the dice sum to 4 or 6. how much should you win or lose if any other number turns up in order for the game to be fair?
*October 23, 2012 by Maddy*

**probability**

We have two fair three-sided dice, indexed by i=1,2. Each die has sides labelled 1, 2, and 3. We roll the two dice independently, one roll for each die. For i=1,2, let the random variable Xi represent the result of the ith die, so that Xi is uniformly distributed over the set...
*February 27, 2014 by jon*

**math**

If two dice are rolled, what is the probability that their sum will be a number greater than 5 ? [A]1/6 [B]1/3 [C]13/18 [D]5/6 [E] None of these. i think it is c am i right? 13/18 so i am right? What is the probability the sum is 2,3,4 or 5? If you find that and subtract it ...
*October 4, 2006 by cassidy*

**math**

Two dice are rolled. Find the probability of getting a sum greater than 8
*April 25, 2009 by yorkie16*

**math**

Two dice are rolled. Find the probability of getting a sum greater than 8. 0 13/36 2/9 5/18
*June 9, 2011 by CC*

**probability**

I am lost. How do I figure this out? I know there are 2 ways to get the sum of 5 but do I count it backwards too? 1+4 4+1. How do I know how many sums? Joe rolled two fair number cubes that have faces labeled 1 to 6 each. He rolled the two cubes 180 times. According to the ...
*May 27, 2014 by MAGGIE*

**Please can you help me (Probability)**

Maria is playing a game of chance at the Hibiscus festival, costing $1 for each game. In the game two fair dice are rolled and the sum of the numbers that turn up is found. If the sum is seven, then Maria wins $5. Otherwise Maria loses her money. a) Please can you Construct ...
*April 19, 2012 by Fakaapo. Suetusi*

**Math probability**

You roll two fair 6-sided dice. Let be the sum of the two independent rolls. (a) Give the PMF of in table form. (b) Give a mathematical expression for the PMF of .
*April 19, 2014 by Ozan*

**Math**

Maria is playing a game of chance at the Hibiscus festival, costing $1 for each game. In the game two fair dice are rolled and the sum of the numbers that turn up is found. If the sum is seven, then Maria wins $5. Otherwise Maria loses her money. a) Construct Maria’s ...
*April 19, 2012 by Koia*

**help!!!!! Probability!!!**

A fair 6-sided die is rolled twice. The probability that the second roll is strictly less than the first roll can be written as a/b, where a and b are positive, coprime integers. What is the value of a+b?
*May 26, 2013 by fweng*

**Math**

If two fair dice are rolled, what is the probability that a total of five shows?
*May 6, 2014 by Bridget*

**Math**

If two fair dice are rolled, what is the probability that a total of five shows?
*May 6, 2014 by Bridget*

**geometry**

Jake rolls two standard number cubes. Find the probability that the sum of the roll is 10, given that both cubes rolled odd numbers.
*May 23, 2014 by Plz help*

**statistics**

Two dice are rolled and two fair coins are tossed. Let X be the sum of the number of spots that show on the top faces of the dice and the number of coins that land heads up. The expected value of X is _____ .
*July 22, 2011 by mike*

**statistics**

Two dice are rolled and two fair coins are tossed. Let X be the sum of the number of spots that show on the top faces of the dice and the number of coins that land heads up. The expected value of X is _____ .
*July 22, 2011 by mike*

**Statistics**

For a math assignment we need to design a dice roll game with different expected values of winning. The game should require a player to make a bet on the sum of one roll of two dice. If the dice sum to that number, the player wins; otherwise, he loses. We need to create a fair...
*February 1, 2012 by Jaime*

**probability**

Two six-sided dice each have the numbers 1 through 6 on their faces. Neither die is fair, but they are both weighted the same. The probability of rolling a certain number on one die is given in the table below: # 1 2 3 4 5 6 probability 1/6 1/6 1/9 ? 2/9 ? If the probability ...
*March 8, 2013 by Anonymous*

**math**

If two dice are rolled one time, find the probability of getting a sum less than 5.
*November 17, 2012 by ed*

**math**

A pair of dice are rolled find the following, a) the probability of doubles, b) the odds in favor of a sum greater than 2, c) the probability of sum that is even and less than 5
*November 26, 2012 by Katarzyna*

**posibility**

A pair of dice are rolled find the following, a) the probability of doubles, b) the odds in favor of a sum greater than 2, c) the probability of sum that is even and less than 5
*November 26, 2012 by Katarzyna*

**math**

A pair of dice are rolled find the following, a) the probability of doubles, b) the odds in favor of a sum greater than 2, c) the probability of sum that is even and less than 5
*November 26, 2012 by Andrew*

**math**

A pair of dice are rolled find the following, a) the probability of doubles, b) the odds in favor of a sum greater than 2, c) the probability of sum that is even and less than 5
*November 26, 2012 by Andrzej*

**math**

two dice are rolled. their sum is recorded. what is the probability that their sum is between five and ten?
*April 18, 2011 by Donald*

**Probability**

if two fair dice are rolled, what is the probablity that the total showing is even or less than seven?
*July 11, 2011 by Marie*

**Statistics**

Find the probability that the sum is as stated when a pair of dice is rolled. A.4 or 11 or doubles B. 8,given that the sum is greater than 4. C.Even,given that the sum is greater than 4. A. 4 can be obtained by 1&3, 3&1 or 2&2. 11 can only be obtained by 5&6 or 6&5. Doubles ...
*April 2, 2007 by Mary*

**geometry**

Paul claims, the probability of rolling a sum of 6 when you roll two dice is 1/11, because two dice have sums 2 through 12 which means there are 11 possible sums. "How do you respond?"
*January 13, 2011 by crystal*

**Statistics**

Two fair six-sided dice are rolled and total of results on the top of each doe observed. Find the probability that total is 8
*January 28, 2012 by Tina*

**math**

anderson will roll two standard six sided dice once. what is the probability that the two numbers rolled will be the same? express your answer as a common fraction
*September 16, 2012 by shaun*

**math**

A pair of dice is rolled and the sum of the dice is found. What is the probability of rolling a 7?
*July 13, 2011 by Anonymous*

**Math**

Two dice are rolled. Find the probability that a multiple of three is rolled on one die and an even number is rolled on the second die.
*June 13, 2009 by D.*

**College Stat**

A pair of fair dice is rolled. What is the probability of each of the following? (Round your answers to three decimal places.) (a) the sum of the numbers shown uppermost is less than 5 and (b)at least one 5 is cast
*September 15, 2012 by Amonymous*

**Math**

Two fair dice are rolled. Let X equal the product of the 2 dice, compute = for = 1,2,…,36
*November 19, 2012 by Anonymous*

**Statistics**

If two dice are rolled, what is the probability that the sum of the numbers is at least 8?
*April 5, 2010 by Debbie*

**probability**

two dice are tossed. find the probability that the sum is odd given that the sum is 5 or less
*June 12, 2012 by Anonymous*

**Math**

Which pair has equally likely outcomes? List the letters of the two choices below which have equal probabilities of success, separated by a comma. A standard deck of cards has 12 face cards and four Aces (Aces are not face cards). A. drawing a red seven out of a standard 52 ...
*July 26, 2011 by Jen*

**math**

a pair of dice are rolled and the sum on their upturned faces is recorded. What is the probability that the sum showing is 8, given that one die is showing a 5? Taking into consideration the numbers 1-6 on the second die wouldn't the probability be 1/6?
*November 22, 2010 by m*

**probability**

Find the probability of seeing at most 5 dots, but also an odd number of dots when 2 fair dice are rolled.
*April 21, 2014 by heny*

**Math**

A pair of dice are rolled and the sum on their upturned faces is recorded. What is the probability that the sum showing is 8, given the one die is showing a 5?
*August 5, 2009 by Patti*

**math**

A pair of dice are rolled and the sum on their upturned faces is recorded. What is the probability that the sum showing is 8, given that one die is showing a 5?
*September 30, 2009 by Aleah*

**mATH**

A pair of dice are rolled and the sum on their upturned faces is recorded. What is the probability that the sum showing is 7 given that one die is showing a 4?
*October 16, 2009 by katelynn*

**math**

A pair of dice are rolled and the sum on their upturned faces is recorded. What is the probability that the sum showing is 8, given that one die is showing a 5?
*December 13, 2009 by Codi*

**math**

A pair of dice are rolled and the sum on their upturned faces is recorded. What is the probability that the sum showing is 8, given that one die is showing a 5?
*December 16, 2009 by t*

**math**

Two dice are rolled. What is the probability that the sum of the dots on the upward faces is NOT 12
*April 25, 2010 by angie*

**Probability**

Two dice are rolled. Find the odds that the score on the dice is either 7 or 12. A) 7 : 29 B) 1 : 5 C) 1 : 1 D) 19 : 17 I am so lost it isn't funny. I do not know how to figure this out.
*May 15, 2010 by BWB*

**Math**

Two dice are rolled what are the odds of getting a smaller number on the second roll? P ( same number or sum greater than 8)
*April 29, 2014 by Chris*

**math**

If a single fair die is rolled, find the probability of a 4 given that the number rolled is odd.
*November 25, 2010 by jo*

**Algebra 2**

What is the probability when you roll 2 dice and you roll a number greater than 4 on the first dice and a 2 on the second dice? pls help :)
*March 4, 2012 by Mary*

**probability**

A fair dice is rolled 4 times. What is the probability that at least 2 of the numbers are the same? Use the format a/b.
*March 7, 2013 by Anonymous*

**Math**

Suppose you play a game in which two fair standard dice are rolled. If the numbers showing on the dice are different, you lose $2. If the numbers showing are the same, you win $2 plus the dollar value of the sum of dice. Complete the next table, in which the values in the ...
*April 18, 2010 by Hannah*

**math**

two 6 sided dice are rolled . what is the probability the sum of the two numbers on the die will be 6
*November 27, 2012 by Anonymous*

**college math**

a pair of dice are rolled and the sum is recorded. What is the probability that the sum shown is 8 given that one die is showing 5? Is this done correctly? P(8|5)=1/6 x 1/6= 1/36 I really just want to make sure I have done this the right way!
*November 18, 2009 by Lauren*

**Probability independence**

A fair die is rolled twice with the two rolls being independent of each other. Let M be the maximum of the two rolls and D be the value of the first roll minus the value of the second roll. Are M and D independent?
*January 22, 2009 by Julie*

**Stats**

I roll a pair of fair dice and compute the number of spots on the two sides facing up. Denote this total by X. The probability distribution of X is X Prob 2 1/36 3 2/36 4 3/36 5 4/36 6 5/36 7 6/36 8 5/36 9 4/36 10 3/36 11 2/36 12 1/36 The probability that X is an even number is
*July 2, 2013 by MT*

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