Thursday

November 27, 2014

November 27, 2014

Number of results: 96,602

**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**

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**

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 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.**

#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**

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 221 Week3**

A probability experiment consists of rolling a 6 sided die. Find the probability of the event below: rolling a number less than 3? The probability is
*September 15, 2014 by Carolyn*

**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-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**

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**

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*

**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.*

**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*

**statistics**

6. You read in a book about bridge that the probability that each of the four players is dealt exactly one ace is about 0.11. This means that A. in every 100 bridge deals, each player has one ace exactly 11 times. B. in one million bridge deals, the number of deals on which ...
*November 1, 2011 by ron *

**Math**

How do I find the probability of the event described. What is the probability of rolling a number less than or equal to 4?
*February 21, 2010 by Lyndse*

**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*

**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*

**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*

**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 **

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 *

**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 (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*

**Math**

In an experiment, the probability of the event E is known to be .4. Also the probability of the event F is .8,and the probability of E∪F is 1. i) Compute the probability of these events: P(E∩F)= P(E-F)= ii) Suppose the experiment is run twice in succession. What ...
*April 21, 2011 by Tracy*

**math**

A pair of dice is rolled, and a number that appears uppermost on each die is observed, Refer to this experiment and find the probability of the given event. (Enter your answer as a fraction)The sume of the numbers ia an add number.
*April 21, 2012 by Maria*

**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 - 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*

**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*

**roll dice**

Event A you roll the die and it's even Event B you roll the die and it's less than 5 Roll the die once. What is the probability that Event A will occur given that Event B has alrady occured? would it be 3/4 = .75 or 75% not sure need help and, Roll the die once. what is the ...
*April 16, 2011 by sonney32*

**DETERMINED THE EVENT**

WHEN ROLLING ONE DIE DETERMINE THE EVENT THAT AN ODD NUMBER IS ROLLED
*February 19, 2014 by DEENA*

**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*

**Probability**

A loaded die has the property that the probability of throwing an odd number is three time the probability of throwing an even number. If the even number are equally likely to appear, find the probability of rolling either a 3 or a 6.
*June 10, 2013 by A loaded die*

**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**

Will you please check my work? :) Choose ALL (if any) applicable terms for the events described, then calculate the probability of the events. Jason has a cube with colored sides: red, orange, yellow, green, blue and purple. 1. Rolling a red or a primary color. Choices: ...
*April 27, 2014 by Caroline*

**finite math**

A probability experiment was conducted in which the sample space of the experiment is S={1,2,3,4,5,6,7,8,9,10,11,12}, event F= {3,6,7,}, and event G={9,10,12}. Assume that each outcome is equally likely. List the outcomes of F and G. find P(F or G) by counting the number of ...
*June 17, 2014 by carol*

**finite math**

A probability experiment was conducted in which the sample space of the experiment is S={1,2,3,4,5,6,7,8,9,10,11,12}, event F= {6,7,}, and event G={9,10,11,12}. Assume that each outcome is equally likely. List the outcomes of F and G?. find P(F or G) by counting the number of ...
*June 17, 2014 by carol*

**finite math**

A probability experiment was conducted in which the sample space of the experiment is S={1,2,3,4,5,6,7,8,9,10,11,12}, event F= {6,7,}, and event G={9,10,11,12}. Assume that each outcome is equally likely. List the outcomes of F and G?. find P(F or G) by counting the number of ...
*June 18, 2014 by carol*

**Math**

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

**Math Probability**

consider the experiment of selecting a card from an ordinary deck of 52 playing cards and determine the probability of the stated event. A red card or a card showing a 5 is drawn. There are 26 red cards and 2 extra fives. Would my answer be 28/52?
*April 27, 2010 by Bart*

**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*

**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*

**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*

**Math 221**

find the probability of the event rolling a number less than 6
*September 14, 2014 by bing*

**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**

Suppose an experiment involves rolling a fair die 720 times. Find the mean of the number of times a number less than 2 is rolled
*September 30, 2014 by Alyseia*

**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*

**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*

**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*

**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*

**algebra **

A fair six-sided die is rolled. If the number showing is even, you lose a point for each dot showing. If the number showing is odd, you win a point for each dot showing. a. Find E(x)for one roll if x represents the number of point s you win. b. Find the expected winnings for ...
*April 1, 2013 by Karina*

**statistics**

if you roll a single die and count the number of dots in top what is the probability of getting a number less then 3 on a single throw
*October 5, 2014 by gretchen*

**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*

**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**

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*

**stor**

Recall the Prisoners problem from class. We have three prisoners (A, B, and C) on death row. The Governor will pardon one of the prisoners, and he tells the Warden who he chose, but the warden is not allowed to reveal who was pardoned. Lets switch things up some, Prisoner C ...
*September 29, 2012 by ami*

**math**

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

**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*

**Help with math**

I am stuck on a probability question. Please help and tell me the easiest way to find the answer to this.. I am confused and keep getting 5/6 A fair die is rolled..what is the probability of rolling an odd number or a number less than 3? the actual answer is 2/3.. tell me how ...
*November 2, 2011 by HM*

**HELP MATH**

I am stuck on a probability question. Please help and tell me the easiest way to find the answer to this.. I am confused and keep getting 5/6 A fair die is rolled..what is the probability of rolling an odd number or a number less than 3? the actual answer is 2/3.. tell me how...
*November 2, 2011 by HM*

**statistics**

Is this correct: The probability of rolling a die once and getting a number greater than 3 or an odd number is 5/6.
*June 20, 2011 by sydney*

**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**

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*

**Math**

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

**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**

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**

sorry im real bad at probability. a single die is rolled. find the probabilities: a) P(odd numbers greater than 1) b) P(number less than 5) c) P(the number 3 or 7) i got a) 1/3 b) 1/2 c) 1/6 is that right please help.
*November 1, 2008 by helpme*

**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*

**Statistics **

1. A human gene carries a certain disease from a mother to her child with a probability rate of 0.58. That is, there is a 58% chance that the child becomes infected with the disease. Suppose a female carrier of the gene has five children. Assume that the infections, or lack ...
*September 29, 2013 by Lisa *

**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**

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*

**college algebra: probability and statistics**

You roll a single die once. What is the probability you will roll an odd number or an even number?
*June 30, 2013 by Angelina*

**Statistics and Probability**

One six-sided fair die is rolled, and one two-sided fair coin is tossed. If the coin turns up heads, then the number of spots showing on the die is the value (score) for that trial. If the coin is tails then twice the number of spots showing on the die is the value (score) for...
*December 16, 2010 by Laura*

**Algebra102**

A pair of dice is rolled~ A possible event is rolling a multiple of 5. What is the probability of the complement of the event? A. 2/36 B. 12/36 C. 29/36 D. 32/36
*May 20, 2010 by NatoshaMarie*

**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 - Statistics**

I roll 12 4-sided dice. What is the probability that I roll at least one 2? What is the probability that I roll exactly three 2s? So i take it, on any give roll, the probability of rolling a 2 is .25 (25%); the probability of rolling something else must be .75 The probability ...
*March 29, 2007 by Lauren*

**algeabra**

Consider the experiment of selecting a card from an ordinary deck of 52 playing cards and determine the probability of the stated event
*April 7, 2010 by Anonymous*

**calc-Probability -- PLEASE HELP!**

Your friend tosses 3 coins and you roll a single die. If the number on the die you roll is less than or equal to the number of heads that your friend tosses, you win $X. If not, you lose $1. How large should X be in order for this to be a fair game?
*March 6, 2008 by anonymous*

**Math**

What is the probability oi rolling a total of 7 in two rolls of a standard die if you get an even number of the first roll? Could someone please help me? Thanks
*May 8, 2011 by Ed*

**math**

Consider the experiment of drawing two cards from a deck in which all picture cards have been removed and adding their values (with ace = 1). a. Describe the outcomes of this experiment. List the elements of the sample space. b. What is the probability of obtaining a total of ...
*January 15, 2013 by jonsson*

**math**

Consider the experiment of drawing two cards from a deck in which all pictures cards have been removed and adding their values (with ace = 1). A. Describe the outcomes of this experiment. List the elements of the sample space. B. What is the probability of obtaining a total of...
*August 17, 2013 by Rachael*

**math**

Consider the experiment of drawing two cards from a deck in which all pictures cards have been removed and adding their values (with ace =1). A. Describe the outcomes of this experiment. List the elements of the sample space. B. What is the probability of obtaining a total of ...
*August 18, 2013 by Rachael*

**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*

**Math-Probability**

Consider a collection of biased coins, each showing Heads with probability and Tails with probability , independently of the others. The coins are tossed and all coins showing Heads are collected together and tossed again. Write down an expression for the probability mass ...
*January 22, 2012 by sand*

**Math-Probability**

Consider a collection of n biased coins, each showing Heads with probability p and Tails with probability 1-p , independently of the others. The coins are tossed and all coins showing Heads are collected together and tossed again. Write down an expression for the probability ...
*January 22, 2012 by sand*

**Math-Probability**

Consider a collection of n biased coins, each showing Heads with probability p and Tails with probability 1-p , independently of the others. The coins are tossed and all coins showing Heads are collected together and tossed again. Write down an expression for the probability ...
*January 24, 2012 by sand*

**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 single die is rolled onece. what is the probability of getting an even? what is the probability of getting a number less than 2? what is the probability of getting a 9?
*February 6, 2011 by tony*

**Finite Mathematics**

Two dice are rolled. Let the random variable X denote the number that falls uppermost on the first die and let Y denote the number that falls uppermost on the second die. (a) Find the probability distributions of X and Y. (b) Find the probability distribution of X + Y. x + y 2...
*April 18, 2012 by Price*

**Math: Probability**

1. Which of the following is an example of a dependent event? (1 point) flipping two coins rolling a number cube and spinning a spinner choosing two scoops of ice cream choosing a cookie at random, eating it, and then choosing another at random 2. Which of the following is an ...
*March 12, 2013 by Skittles*

**statistics**

The below table shows the probabilities generated by rolling one die 50 times and noting the up face. What is the probability of getting an odd up face? roll 1 Probability 0.22 roll2 probability 0.10 roll 3 probability 0.18 roll 4 probability 0.12 roll 5 probability 0.18 roll ...
*May 3, 2012 by sc*

**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*

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