Wednesday

July 23, 2014

July 23, 2014

Number of results: 67,782

**math**

consider the experiment of rolling a single die. What is the probability of rolling a number that is divisible by 2 or 3?
*September 23, 2009 by chandice*

**math**

Consider the experiment of rolling a single die. What is the probability of rolling a number that is divisible by 2 or 3?
*August 30, 2010 by Sarah*

**math**

Consider the experiment of rolling a single die. Find the probability of the event described. What is the probability of rolling a number less than or equal to 4?
*April 12, 2010 by KiKi*

**MATH-157**

Consider the experiment of rolling a single die. Find the probability of the event described. What is the P(odd and prime)? A) 1/6 B) 1/2 C) 2/3 D) 1/3
*March 29, 2010 by Tyga*

**MATH**

Consider the experiment of rolling a single die. Find the probability of the event described.What is P(number showing is not odd)?
*April 7, 2010 by meghan*

**Math**

Did I answer this correctly? Consider the experiment of rolling a single die. Find the probability of the event described. What is the probability of rolling an odd number? 1/2 is my answer. Thanks.
*August 8, 2009 by B.B.*

**math 157**

Consider the experiment involving rolling a single die once. What is P(even and Prime)? I do not know how to start this can anyone help?
*January 8, 2010 by Rmz*

**Geometry**

Consider the experiment of rolling a single die what is the probability of rolling an odd number? I came up with 0.5,even odds as there are 3 odd and 3 even numbers so the prob. is 0.5 Did I do this correct.
*September 8, 2009 by Emory*

**Math.**

#1) Consider the experiment of rolling a single die. Find the probability of the event described. What is P(odd and prime)? A) 1/6 B) 1/2 C) 1/3 D) 2/3 #2) Consider the experiment of selecting a card from an ordinary deck of 52 playing cards and determine the probability of ...
*July 25, 2010 by Raevan*

**Probability-Please check**

Consider the experiment of rolling a single die. Find the probability of the event described. What is P(odd or prime? Since this is an "or" problem would the problem consist of 3 chances out of 6 thus my answer = 1/2?
*June 14, 2010 by bart*

**Math**

Can someone please explain this problem? Consider the experiments involving rolling a single die once. Give the probabilities of the events described. Suppose that an experiment has five separate mutually exclusive outcomes: A,B,C,D and E. If the sample space for the ...
*August 5, 2009 by B.B.*

**math**

Consider the experiment of simultaneously tossing a fair coin and rolling a fair die. Let X denote the number of heads showing on the coin and Y the number of spots showing on the die. a. List the outcomes in S. b. Find Fx,y(1,2). Part a is easy. It's part b that I don't ...
*October 25, 2011 by Jen*

**Math**

I'm not sure how to do this question. Consider the experiments involving rolling a single die once. Give the probabilities of the event described. What is P (even or prime)?
*December 6, 2010 by Rena *

**math**

for the event of rolling one die, find a.P(rolling atlease a 3) b.P( ROLLING AN ODD NUMBER)
*December 13, 2011 by pearl*

**algebra 2**

A single die is rolled one time find the probability of rolling a number greater than 3 or less than 2, need help
*April 29, 2013 by bernie*

**Math-probability**

Am I right? Did I write the solution the right way or do I need to put 50% or 50%? consider the experiments involving rolling a single die once. Give the probabilities of the event described. What is P (even or prime)? Would my answer be P(e)=3/6 or P(p) = 3/6
*April 27, 2010 by bwb*

**math**

Please check my answers Would you be more likely to get at least 70% tails if you flip a fair coin 10 times or if you flip a fair coin 1000 times? same Consider a bowl containing 36 different slips of paper. Ten of the slips of paper each contain one of the digits from the ...
*March 29, 2011 by anonymous*

**maths - pls check answer**

. A single die is rolled one time. Find the probability of rolling an odd number or a 6. 3/6 + 1/6 = 4/6 = 2/3 = .667
*April 16, 2008 by matty*

**Math**

What is the probability of rolling a two and a five in a single toss of a die?
*November 19, 2011 by Stacy*

**algebra 2**

You roll a red die and a green die. Find the probability of rolling a four on the red die and a three on the green die.
*May 21, 2010 by Thomas*

**math**

A single die is rolled once. What are the odds against rolling a prime number?
*February 18, 2011 by Bill*

**MATH 157**

List the elements in the sample space of this experiment: a 6 sided die is rolled. the sides contain the numbers 1,2,3,4,5,6. list the sample space of rolling one die.
*September 19, 2009 by ggift*

**Math**

List the elements in the sample space of the experiment. A 6 sided die is rolled. The sides contain the numbers {1,2,3,4,5,6}. List the sample space of rolling one die. A){6} B){1,2,3,4,5,6} C){36} D)None of these. My answer is: B){1,2,3,4,5,6}. Is this correct? Thanks.
*September 24, 2009 by B.B.*

**geometry**

In exercises 17-20, a single die is rolled one time. Determine the probability of rolling a number greater than 3 or less than 5.
*June 11, 2012 by angela*

**Probability**

Consider the experiment of simultaneously tossing a die and a coin. Let X denote the number of heads and Y denote the number of spots showing on the die. a)construct a two-way table for the joint pdf b)Let Z=X+Y . Use the joint pdf to find the distribution or Z.
*October 25, 2011 by Jenna*

**math - probability**

Albino rats used to study the hormonal regulation of metabolic pathway are injected with a drug that inhibits body synthesis of protein. Usually, 4 out of 20 rats die from the drug before the experiment is over. a) If 10 animals are treated with the drug, what is the expected ...
*October 14, 2006 by Lindz*

**math**

an experiment consists of rolling a fair die until it lands on two. What is the probability that it will land on at least two is
*February 28, 2011 by Tyler*

**statistics**

An experiment consists of rolling a die and selecting a marble from a bag. the bag has 7 orange, 3 pink, and 6 grey marbles. What is the probability of rolling a multiple of 3 and selecting a pink marble? Anwer: The two events are independent of each other, therefore we ...
*March 2, 2010 by Jason*

**Statistics**

An experiment consists of rolling a die and selecting a marble from a bag. the bag has 7 orange, 3 pink, and 6 grey marbles. What is the probability of rolling a multiple of 3 and selecting a pink marble? Anwer: The two events are independent of each other, therefore we ...
*March 3, 2010 by Jason (check answer Please)*

**math**

consider the equation x^2+kx+1=0 a single fair die(dice)is rolled to determine the value of the middle coefficient, k. the value for k is the number of dots on the upper face of the die. what is the probability that the equation will have real, unequal roots?
*September 19, 2012 by dan*

**Statistics**

An Experiment consists of flipping a fair coin once and rolling a fair die once. what is the probability of observing a hear or six?
*February 10, 2010 by Eliz*

**MATH Prob.**

A 6-sided die is rolled. The sides contain the numbers 1,2,3,4,5,6. List the sample space of rolling one die.
*August 8, 2009 by Twg*

**math**

A 6-sided die is rolled. The sides contain the numbers 1, 2, 3, 4, 5, 6. List the sample space of rolling one die. 9) _______ A) {6} B) {36} C) {1, 2, 3, 4, 5, 6} D) None of these
*December 6, 2009 by jen*

**statistics**

Consider a binomial experiment with 20 trials and a probability of 0.45 on a single trial.Use the normal distribution to find the probability of exactly 10 successes.
*March 21, 2014 by john*

**Math **

An ordinary (fair) die is a cube with the numbers 1 through 6 on the sides (represented by painted spots). Imagine that such a die is rolled twice in succession and that the face values of the two rolls are added together. This sum is recorded as the outcome of a single trial ...
*May 24, 2014 by Anonymous *

**algebra**

How do I do this? What is the probability of rolling a die twice and rolling a 6 the first time and an even number the second time? Is it 1/12, 4/32, 5/32, or Not Given?
*December 6, 2007 by Tabby*

**algebra**

How do I do this? What is the probability of rolling a die twice and rolling a 6 the first time and an even number the second time? Is it 1/12, 4/32, 5/32, or Not Given?
*December 6, 2007 by Tabby*

**Statistics**

A die that is fair will have each face of the die come up one-sixth of the time in the long run. The population for die throwing contains the results of throwing the die an infinite number of times. For this problem, the parameter of interest is p is the probability of rolling...
*March 9, 2010 by Kate*

**Algebra 1**

The probability of rolling a die and getting an even number is 1/2. If you roll the die twice, the probability of getting a even number both times is (1/2)(1/2) or (1/2)^2. Write an expression to represent the probability of rolling the die (d) times and getting an even number...
*September 25, 2011 by Austin*

**math **

A pair of dice is rolled, and the number that appears uppermost on each die is observed. Refer to this experiment and find the probability of the given event. One die shows a 5, and the other is a number less than 2.
*February 20, 2011 by Vanny*

**statistics**

Consider a binomial experiment with 20 trials and probability 0.45 on a single trial. Use the normal distribution to find the probability of exactly 10 successes. Round your answer to the thousandths place.
*May 17, 2011 by coya*

**statistics**

Consider a binomial experiment with 20 trials and probability 0.45 on a single trial. Use the normal distribution to find the probability of exactly 10 successes. Round your answer to the thousandths place.
*August 2, 2011 by lee*

**Maths**

There is a one in three chance that if Yasmin misses the 7:00 a.m train, she will get a seat on the 8:00 a.m train. Using a single die, how would I conduct an experiment and put it into a frequency table?
*April 17, 2013 by Avril*

**Maths**

There is a one in three chance that if Yasmin misses the 7:00 a.m train, she will get a seat on the 8:00 a.m train. Using a single die, how would I conduct an experiment and put it into a frequency table?
*April 17, 2013 by Avril*

**Statistics**

You have a fair die. The die has a 2 on two sides, a 4 on two sides and a 6 on two sides. Note: the only possible outcomes for each roll are 2, 4 or 6. (a) Draw a tree diagram that shows the possible outcomes of rolling the die twice (my answer Roll 1: 2, 4, 6 Roll 2: 2,4,6 ...
*February 11, 2012 by Laura*

**math (statistics)**

an experiment consistbnof tossing a die and then flipping a coin once if the number on the die is even. If the number on the die is odd, the coin is flipped twice. Using the notation 4H, for example to denote an event that die comes up 4 and then the coin comes up heads, and ...
*August 25, 2012 by Anonymous*

**probability**

consider the experiment of the rolling a pair of fair dyes 1white and the other red are the events (a)doubles is rolled (b)The red is shown two or three,independ
*July 12, 2014 by pooja*

**Stats/ Probability **

Repeated die toss experiment. A fair die is tossed repeatedly, and the sequence of numbers that turn up is recorded, until a 1 is obtained. When a 1 is obtained, the experiment is over, but the 1 is included in the sequence. Thus every outcome is a sequence of integers ending ...
*September 29, 2013 by denim*

**statistics**

Consider a binomial experiment with 20 trials and probability 0.45 on a single trial. Use the binomial distribution to find the probability of exactly 10 successes. Round your answer to the thousandths place
*July 28, 2011 by Rosalyn*

**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**

A carnival game consists of rolling a single fair die, with the following results: you win $8 for a 6, $7 for a 5, and lose $3 for any other number. Set a probability distribution, and calculate (already did) the Expected value = .50 Variance= 24.58 standard deviation= 4.96 ...
*December 13, 2007 by Anastasia*

**Math**

Find the probability of: a) Rolling a three OR a six with a single die Answer: P(3 U 6)= n(3U6)/n(S) = 3+6/6 = 9/6 reduced: 3/ b) Dealing an ACE OR a FACE CARD from a standard deck Answer: P(A U F)= 4/52 + 12/52 = 4/13 2. A 5-committee is to be chosen from 4 teachers and 4 ...
*March 6, 2011 by Jacob*

**math**

A six sided die is rolled three times. List possible outcomes and find the probability of rolling exactly one 6.
*January 23, 2012 by juan777*

**math**

The game of dots is played by rolling a fair die and receiving $1 for each dot showing on the top face of the die. What cost should be set for each roll if the game is to be considered a fair game?
*October 21, 2009 by jason*

**Math**

The game of dots is played by rolling a fair die and receiving $1 for each dot showing on the top face of the die. What cost should be set for each roll if the game is to be considered a fair game?
*November 13, 2009 by Anonymous*

**Math**

The game of dots is played by rolling a fair die and receiving $1 for each dot showing on the top face of the die. What cost should be set for each roll if the game is to be considered a fair game?
*November 14, 2009 by Anonymous*

**Math**

The game of dots is played by rolling a fair die and receiving $1 for each dot showing on the top face of the die. What cost should be set for each roll if the game is to be considered a fair game?
*December 2, 2009 by Nicole*

**Math**

The game of dots is played by rolling a fair die and receiving $1 for each dot showing on the top face of the die. What cost should be set for each roll if the game is to be consdiered a fair game?
*December 12, 2009 by Michelle*

**math**

The game of dots is played by rolling a fair die and receiving $1 for each dot showing on the top face of the die. What cost should be set for each roll if the game is to be considered a fair game?
*March 5, 2010 by Anonymous*

**Math**

The game of dots is played by rolling a fair die and receiving $1 for each dot showing on the top face of the die. What cost should be set for each roll if the game is to be considered a fair game?
*May 18, 2010 by Lisa*

**MATH Prob.**

The game of dots is played by rolling a fair die and receiving $1 for each dot showing on the top face of the die. What cost should be set for each roll if the game is to be considered a fair game?
*August 11, 2009 by Twg*

**Math 157**

The game of dots is played by rolling a fair die and receiving $1 for each dot showing on the top face of the die. What cost should be set for each roll if the game is to be considered a fair game?
*April 1, 2010 by Moonpie_17*

**infinite mathematic**

Section 6.8: Table1: Customer# Random# Time req. Teller Start time End Time 1 10 8 A 9:00 9:08 2 7 5 B 9:00 9:05 3 2 3 C 9:00 9:03 4 3 3 C 9:03 9:06 5 1 3 B 9:05 9:08 6 6 5 C 9:06 9:11 7 4 3 A 9:08 9:11 8 3 3 B 9:08 9:11 9 1 3 A 9:11 9:14 10 10 8 B 9:11 9:19 11 6 5 C 9:11 9:16...
*June 22, 2009 by ty*

**math**

The game called dots is played by rolling a fair die and receiving 1$ for each dot showing on the top face of the die. What cost should be set for each roll if the game is to be considered a fair game? Not a clue on this one.
*November 13, 2009 by Kay Kay*

**math fair**

The game of dots is played by rolling a fair die and receiving $1 for each dot showing on the top face of the die. What cost should be set for each roll if the game is to be considered a fair game?
*October 21, 2009 by jason*

**Physics**

A die is designed to punch holes of radii 2.17 x 10-2 m in a metal sheet that is 5.53 x 10-3 m thick. To punch through the sheet, the die must exert a shearing stress of 3.5 x 108 Pa. What force must be applied to the die? (Hint: Consider carefully which area is used in your ...
*November 22, 2010 by Mike*

**psychology**

When an experimenter's expectations about a behavior influence the results of his experiment, it is called a a.placebo effect b.self-fulfilling prophecy c.single-blind experiment d.double-blind experiment
*April 7, 2014 by Indigo*

**Math-Fair Game question**

the game of dots is played by rolling a fair die and receiving 1$ for each dot showing on the top face of the die. What cost should be set for each roll if the game is to be considered a fair game?
*January 23, 2010 by C.J *

**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*

**stats**

Fred rolls a die 200 times and rolls a "5" 28 times. How unusual is freds experiment? Do you believe his die is fair?... extended ... what if fred had rolled the die 200 times and came up with a "5" only 20 times?
*July 14, 2011 by GLEN*

**probability**

Consider n independent rolls of a k-sided fair die with k≥2: the sides of the die are labelled 1,2,…,k and each side has probability 1/k of facing up after a roll. Let the random variable Xi denote the number of rolls that result in side i facing up. Thus, the random ...
*March 28, 2014 by JuanPro*

**probability/statistics**

You roll two fair dice, a white one and a red one. a. find P(5 or 6 on the white die and odd number on the red die). b. Find P(odd number on the white die nad 5 or 6 on the red die). c. Find P(5 or 6 on the white die nad 5 or 6 on the red die. Please show work Thanks
*June 27, 2011 by Harley*

**math**

A game consists of rolling a die and pays off as follows: $5.00 for a 6, $3.00 for a 5, $2.00 for a 4, and no money otherwise. If it costs $2.00 to play, find the expected net winnings for a player of this game.
*June 28, 2014 by stephanie*

**math**

An experiment consists of rolling a weighted die. The probability of rolling each number is: Pr[1]=0.2 , Pr[2]=0.15 , Pr[3]=0.25 , Pr[4]=0.15 , Pr[5]=0.05 , and Pr[6]=0.2 . On the first roll, you record if the number is Small (1,2) or Large (3,4,5,6). If the first number is ...
*March 27, 2009 by Nahla*

**Math**

What is the probability if getting an odd number when rolling a 6 sided die?
*January 6, 2010 by Miannah*

**math**

when rolling a die, do you think everyone will have the same results
*March 2, 2013 by Lori*

**stat**

When rolling a die, is this an example of a discrete or continuous random variable?
*June 17, 2013 by Bruce*

**Math**

What is the probability of rolling at least one 6 with four rolls of a fair die?
*November 16, 2007 by A*

**math**

A die is rolled once. What are the odds against rolling a prime number? 2
*June 16, 2009 by is this right!!!*

**Math**

What's wrong with the argument that the probability of rolling, a double 6 in two rolls of a die is 1/3 because 1/6 + 1/6= 1/3?
*December 12, 2009 by Michelle*

**Math**

What is the probability of rolling a number less than 5 on a toss of a twelve-sided die?
*June 10, 2012 by Gisvet*

**Math**

When rolling two dice, what is the probability that the sum is 7 given that one die is a 5?
*November 29, 2012 by Michelle *

**Probability math ?**

If I am rolling a single dice what is the probability of rolling a number that is divisible by 2 and 3? The only number divisible by 2 and 3 is 6. So, would the answer be 1 out 6 or 1/6
*April 26, 2010 by Bart*

**statistics**

Someone who has never seen a normal die before decides to estimate the mean value of all its faces (μ) by rolling it many times. First, they are told that the standard deviation is σ = 1.7. Then, they roll the die 50 times and get a sample mean of x-bar = 3.7. ...
*January 29, 2012 by Nadia*

**6TH GRADE MATH**

Make a tree diagram for rolling die first followed by spinner. Don't tell the answer, but can you tell me how to find the answer.
*November 20, 2008 by MILEY*

**math**

Beth Dahlke is taking a ten question multiple choice test for which each question has three answer choice only one of which is correct. Beth decides on answers by rolling a fair die and making the first answer choice if the die shows 1 or 2 the second if it showes 3 or 4 and ...
*November 19, 2012 by Katarzyna*

**math**

Beth Dahlke is taking a ten question multiple choice test for which each question has three answer choice only one of which is correct. Beth decides on answers by rolling a fair die and making the first answer choice if the die shows 1 or 2 the second if it showes 3 or 4 and ...
*November 20, 2012 by Andrew*

**math**

make a tree diagram for rolling a die first foloowed by spinner. Does anyone understand this??!!
*November 20, 2008 by miley*

**statistics**

what is the probability of observing three or fewer 6s when rolling a fair die twenty times?
*March 4, 2012 by Chelsea*

**Math**

Referring to the experiment of rolling two fair dice, let A be the event that the total is less than eight and let B be the event that the total is even. Draw a Venn diagram corresponding to this experiment and events A & B (using probabilities). 1
*February 14, 2013 by Leslie*

**Math**

Referring to the experiment of rolling two fair dice, let A be the event that the total is less than eight and let B be the event that the total is even. Draw a Venn diagram corresponding to this experiment and events A & B (using probabilities). 1
*February 14, 2013 by Leslie*

**Science/ Experiment**

Directions: You are a medical researcher who has just "discovered" a new treatment for AIDS. Now you need to design an experiment to test its effectiveness. Using the follwoing questions as guidelines, plan your experiment. 1) What groups will you have in your study? How will ...
*January 23, 2008 by Jenny*

**math**

If you roll a die many times, what would you expect to be the relative frequency of rolling a number less than 6? A) 2 out of 3
*March 25, 2007 by Michael*

**math**

If you roll a die many times, what would you expect to be the relative frequency of rolling a number less than 6? A) 2 out of 3
*March 25, 2007 by Michael*

**statistic**

6. Which of the following represents the sample space for rolling a six-sided die and tossing a coin? (1 point) {1H, 2H, 3H, 4H, 5H, 6H, 1T, 2T, 3T, 4T, 5T, 6T} *{1, 2, 3, 4, 5, 6} {H, T} {1, 2, 3, 4, 5, 6, H, T}
*March 20, 2014 by TIKIMA*

**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*

**physics**

consider a solid cylinder rolling from rest down a plane inclined at an angle theta to the horizontal.After rolling down a distance s down the plane,determine (i) acceleration of the cylinder (ii) if the cylinder is hollow ; find its acceleration after a distance s
*August 3, 2011 by victor2*

**math**

can someone help me ? If you roll a die many times, what would you expect to be the relative frequency of rolling a number less than 6? A) 2 out of 3
*March 25, 2007 by Carlos*

**Math**

I am having trouble understand what is the expected value of rolling a die? I know that I would start by finding the probability of 1,2,3,4,5,6. But I do not know what to do after that?
*November 14, 2009 by Anonymous*

**Science Experiment**

Directions: You are a medical researcher who has just "discovered" a new treatment for AIDS. Now you need to design an experiment to test its effectiveness. Using the follwoing questions as guidelines, plan your experiment. 1) What groups will you have in your study? How will ...
*January 25, 2008 by Jenny*

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