Friday

September 4, 2015
Number of results: 170,980

**math (college algebra)**

Ok I have two questions I have NO CLUE how to complete on my homework. Please help ASAP! (1) Solve the formula for the specified variable r = vx for r (the question is) v = ? a = 1/3f * p for f (the question is) f = ? (2) Solve the forulma for v S = D + vm (the question is) v = ?
*September 2, 2010 by Sam *

**math**

5th grade math parent. This will sound dumb but.... 5/7 1/2 and 3/14. The sum is 1 3/7 correct? The question reads MArshall surveyed his classmates and found 5/7 have a sister, 1/2 have a brother, and 3/14 do not have siblings. The question is: Why does it make sense for the ...
*September 30, 2013 by Sara*

**math**

5th grade math parent. This will sound dumb but.... 5/7 1/2 and 3/14. The sum is 1 3/7 correct? The question reads MArshall surveyed his classmates and found 5/7 have a sister, 1/2 have a brother, and 3/14 do not have siblings. The question is: Why does it make sense for the ...
*September 30, 2013 by Sara*

**math**

what is the difference btwn 5^3 and (5)^3? When ever they have a question in which they have a a number squared and then they have another question right after it asking the difference between the same question in parenthesis..is it a trick question? is the answer the same or ...
*November 23, 2012 by Samantha*

**math**

A teacher prepares a test. She gives 5 objective type questions out of which 4 have to be answered. Find the total ways in which they can be answered if the first 2 question have 3 chioce and the last 3 have 4 choices. I think this a permutation question need help
*April 14, 2011 by michele*

**Math**

I posted these 2 questions a couple of days ago and although the help I received would have been more appreciated if it didn't come with an underhanded comment, I did see where I made my mistake with the first question, however I would like to know with the second question, ...
*November 20, 2010 by Dania*

**Geometry Question number 4**

If I have BC = 2x + 1, CD = 3x - 4 and BD = 22,how do I find the value of x? Do you have a triangle? What kind of triangle is it? Your question is incomplete. Or is this part of a question? It looks like a question I have seen before where the first part asks for coordinates ...
*July 25, 2007 by Jim*

**Somebody answer**

answer questions Ask a question. I have been working on the question for at least an hour. The question is: I have to spend 100 dollers and by 100 brains. Cow brains 5.00 Pigs 2.00 sheep 0.10 I have to buy one of each. I am very confused. Are teacher gave this worksheet to us ...
*April 1, 2007 by dfsfd*

**math**

I do not know how to answer this question. Would someone please help me with each of the four question below? Thank you. Question 1. Write the sample space for the outcomes of tossing three coins using H for heads and T for tails. Question 2. What is the probability for each ...
*February 17, 2011 by Dave*

**math**

If x=9in, y=18in and the area of the brown frame is 92sq in, what is the area of the inner red box? help!! I don't think you have provided enough information and/or the question isn't clear. Do you have a diagram that goes along with the question? What is x and what is y? I ...
*November 15, 2006 by jen*

**Geometry**

If you go to Eden a math tuition you will have the diagram for this question but if you do not there will be ... LET ME JUST GET TO THE QUESTION Question: what is the measure of MQ in the diagram shown?
*January 25, 2013 by Jamie*

**cant post a question **

i tried posting a question but it says that i cant have links in my question but i didnt have any? Anyone know hat to do?
*October 28, 2010 by help*

**Literature**

Hi, I just have a question about a confusing question to me in a poem that I have to answer... The poem is Annabel Lee. Here's the question they are asking: What was the effect of the repeated rhymes? I can't find an answer to the question?
*May 16, 2008 by Lily*

**Math**

I have no idea what is the first step in the question. Please solve it for me. Following is the question relating to the chapter i.e. Vectors in two dimensions: {1} If a= (p+q p), b= (3 q+1) and a=b, find the values of p and q. NB: The bracket of a and b represents column ...
*July 31, 2009 by Ahmed*

**chemistry **

I have a worksheet that has a question on it the question states: How much iron can be recovered from 25.0 g of Fe2O3 and that is all i have i have just started in the middle of this class can i have an explanation of how to get to the answer please?
*October 26, 2012 by Kathryn *

**chemistry**

Predict the precipitate that forms: HCl + AgNO3 --> ??? i dont know what the answer is but i think it is Cing04 AgCl. You need to learn the solubility rules. If you don't have a web site I can give you one. hey watz up can you help me with a question please? If you have a ...
*January 29, 2007 by key*

**Math!!!**

I have an MSA math question. What scale would you use for making a frequency table of the following data 21,79,11,9,55,38,111, and 92? Please answer it I need the question now.
*September 6, 2011 by Somebody*

**SS7R - HW Question Help!**

In my other post I wrote "I'm have other 3 that I want you to check to see if they are correct. BTW - I have one more question I have trouble with." Here it is: Why did the Louisiana Purchase important to the US? Please help! btw - I'm a little curious about this question also
*April 19, 2012 by Laruen *

**Social Studies**

Many of you gave me really good suggestions, THANKS. But I have another question relating to my first question.Question= Did France become a country in the late 400's? Many sites have been telling me this so please help me decide if the answer is yes or no to my qustion. ...
*June 15, 2010 by Sangeeta*

**math 12**

Here is question on an math assignment I was given, I have no clue what it is even asking. It's a Challenge Yourself question, I've typed it exactly how it is on my paper: A student is having difficult figuring out what is wrong with his proof: Let C=D C^2=CD C^2 - D^2 = CD - ...
*September 7, 2014 by M*

**math **

I have a question about sets. If you have uppercase letters and lower case letters and they question is asking are these equal or equivalent or neither. I believe it would be equivalent because they are the same but different. Please help thanks
*March 3, 2010 by Angie*

**math (A question for Reiny)**

THANK YOU SO MUCH for the help with magic squares! But I have one quick question- how can I show my work! I have to show my work or I receive like 1/2 credit.
*August 25, 2010 by Anonymous*

**English**

He asked me a question. He asked a question of me. He begged me a question. He begged a question of me. He inquired me a question. He inquired me of a question. (Are the pairs all correct and interchangable? Doe they have the same meaning?)
*April 10, 2011 by rfvv*

**MATH**

I have 12 word problems to do for my class today. I am not very good at them. Any suggestions on how to set them up? they vary from question to question
*September 25, 2008 by jennifer*

**math**

i have a question that confuses me. The question is x-1+5x=23 i need to get what x is.
*August 23, 2012 by crystal*

**Math**

150 men live in a certain town: 85 are married 70 have a cell phone 75 own a car 55 are married and have a cell phone 35 have a cellphone and a car 40 are married and have car 30 are married, have a car and have a cellphone. How many men are single and do not have a car? How ...
*October 31, 2014 by Nia *

**Math last question i promise **

I have another problem: Solve this equation: $19.95 + $.99m + $65.32 = $144.67 I swear this is the last question! I'm sorry I am asking so much, I just need a little help.
*September 27, 2013 by Charlotte*

**Math**

Hello, I have two more rational exponent question that I wanted to verify please: 4x^3y^-2 _________ 2x^-1y^4 = 2x^4y^6 is this correct? 2nd question: [w^1 / w^-3] my answer: = [w^(1)(-4)/ w ^ (-3)(-4)] = w^-4 / w^12 = w^12 / w^4 = w^3 / w Is this right?
*November 18, 2010 by Dania*

**Math**

Need help with one more question. Which best describes a statistical question? a. a question that contains numbers b. a question about numbers c. a question about designing an experiment d. a question about a population or sample. I was thinking it might be D. Thanks...
*April 2, 2013 by Brandi*

**Math Question**

Hello! I need help with this question. I have an answer but I wanted to make sure it's correct. Thanks! Question: Which of the following is NOT a trigonometric identity? Answers Given: A.) 1-cos^2x=sin^2x B.) sin^2x+1=cos^2x C.) 1+cot^2x=csc^2x D.) sec^2x-1=tan^2x My answer: C.)
*February 9, 2015 by Lily*

**Chemistry**

I have the same question as anonymous person before me so I just copy the question from that person, here is the question please help the two of us! if you have a mixture of sodium chloride and sodium bromide, could you use its conductance to determine the concentration of ...
*January 9, 2013 by Kim*

**4 grade math**

i have a question on a math problem, please#1 explain why 7*8 is not a number sentence. Next question is write two true number sentence. thank you!
*November 9, 2009 by pat*

**Math**

here is the question: Freida must take a 4-hour exam containing 200 questions, 50 of which are math. Twice as much time should be allowed for each math ques as for each other type of question. What is the total # of minutes she should allow for the math question?
*November 12, 2009 by Sophia*

**psychology**

What is the realm of mind and consciousness? Could some one explain to me what Realm means in this question I do not want the answer to the question just what realm means I have look at the dictionary and still have no glue what the instructor is wanting in this question ...
*July 17, 2008 by tom*

**Biology**

I had a Bio lab about gel electrophoresis and PCR. for each lab, we have to make up thoughtful, detailed questions. You don't have to answer the questions so please don't go through the trouble by answering them. The first question is about something we did in lab. My question...
*December 1, 2009 by Anonymous*

**AlgebraB**

I have somemultiple choice questions that I need help with. Question 1 Find the measure of <AEB for m<BEC = 127° These are my options: 127° 254° 106° 53° Question 2 Name the alternate interior angle to <7: These are the options: <1, <2, <6, <4 Question 3 ...
*May 18, 2012 by Anna64*

**MATH**

I have 2 questions the first I have narrowed down to 2 possible solutions the second has 3. What is the solution to log sub 5 (2x+3)=2 a)13/2 or b)14? The next problem f(x)= log sub 5 x what is the value of 1/25? a)square root of 2 b)-1/2 or c)1/2? Help is greatly appriciated...
*January 16, 2007 by Anonymous*

**chem**

I have a really urgent question. I am wondering wheter or not esters are polar and what types of intermolular forces they have. can anybody answer this question nvm
*December 19, 2006 by steff*

**math**

i have a math question and i know that there is a simple solution that i am missing. We are going to be given a 100 foot piece of rope and we have to make a baseball diamond where the bases are 60feet apart. Help
*August 31, 2009 by kb*

**math**

Hi, I have a math question that I need help with: g:-> 3(1.3)^x State equations for any asymptotes to the graph of g. I know what an asymptote is, but I do not understand this question...so lost. Help would be greatly appreciated. Thanks so much I'm a little unsure what ...
*September 16, 2006 by christine*

**reading**

6th grade story builders wow ure gonna get a lot of responses to this one Tania: You have to ask a question that can be answered. You have not asked a question.
*August 31, 2005 by tania louis*

**Math 11**

Scientific Notation question... It says put it in scientific notation and here is the question. 3100.0 x 10^2 But it's already in scientific notation... and I have no clue what to do... I've never done a question in scientific notation before... can someone please help me?
*September 9, 2007 by Karn*

**english**

I'm having trouble understanding how to answer this question about a reading I did, the question is "could Joe have anticipated John's approach?" could anyone possibly help me understand what this question means better.....thanks
*February 19, 2009 by tina*

**MAth**

Ok so basically we have to choose a topic of interest and then survey it... one that you can obtain numerical data from that has the potential to have responses with a significant amount of variation. and then create a question to ask/investigate. Be sure this question is a ...
*October 7, 2013 by Lululu*

**mat115**

Please help me with this math question. I am asked to show my work but I don't know how to solve the problem to show my work. The question is: Choose the correct list of factors of the number 8. Again, I have to show my work with this question. Please help thank you.
*August 26, 2010 by adore001*

**Math**

Hi. So we had a long test with this question.. I was wondering how to solve it? Coz our teacher didn't discuss the answers.. and most probably we'll have the same type of question during midterms.. Find the Solution Set 9/|2-5x| - 4/y^2-3y = 5 2/|2-5x| + 2/ 3(y^2-3y) = 1/3 ...
*August 17, 2011 by Jen*

**MATH STUCK:-(**

I am having some difficulties factoring polynomials and I use only one method to figure the stuff out, which is the guess and check method because it's just mental math work and not that complicating. Here is a question that I know how to do, and below it I will list down the ...
*November 15, 2010 by Anonymous*

**math**

The answer to the maths question was: "age>21". Make up a question that could have this as an answer.
*July 20, 2013 by Melissa*

**math**

The answer to the maths question was: "age>21". Make up a question that could have this as an answer.
*July 20, 2013 by Melissa*

**science equation**

I don't think I have enough information to answer this question but my teacher says i do. The question is, If I drop a ball off of the AUL building and it take 8 seconds to hit the ground what is the velocity of the ball? I know that v=d/t so I have v=d/8 so there is nothing ...
*December 5, 2011 by Alli*

**question - english**

i have a question. I've have written essay for tomorrow in english but i have probably made some mistakes.can anybody help me to correct it?it contains 2 pages so i wouldn't like to send it here.is there an e-mail to which i can send it? thank you
*April 15, 2008 by bill*

**English**

1. What's your favorite class? 2. It's math. 3. It's math class. 4. It's a math class. 5. My favorite class is math. Which are the right answers for the question? 6. What's your favorite subject? 7. It's math. (What about the question, #6? Is the question the same as question ...
*March 9, 2010 by rfvv*

**social studies**

i have a project in which i have to make a board game and ask questions sort of like cranium... one of the question topics is emigrant vs immigrant and im not sure what to write for a question...
*May 27, 2008 by anonymous*

**Soanish-6th grade-Another question-Please check an**

I have another question. If I have to use the word tener to express she is hot-I would say -Ella tiene calor, correct?
*April 4, 2011 by Shelby*

**english**

so i posted a question very similar to this yesturdya but i have now have a more spesific question. do you guys know any poems about or from the 1950's that talks abuot basic life..
*April 18, 2011 by hannah*

**Question **

How many AP classes do I have to take in order to make it to Ivy League. Please do not judge this is a very curious question. All you have to do is tell me the number of ap's i have to take and why? DO NOT JUDGE!!!!
*December 24, 2011 by Laruen *

**math**

i'm working on this question and honestly I have tries but I don't understanding anything about the question, can someone please HELP me? I have been posted this question and hoping for someone can help me please! For the following scenario, develop an equation and a set of 5 ...
*March 5, 2015 by tj*

**math - question**

In a television game show, there are five questions to answer. Each question is worth twice as much as the previous question. If the last question was worth $6400, what was the first question worth? is the answer 400
*May 12, 2009 by anonymous*

**To Kate - math post**

I have removed your latest post for two reasons: 1. Do not put any teachers' names in your subject or name. 2. You have not shown that you have done any thinking about this problem. If you repost, be sure to show what you have learned so far and state what your specific ...
*February 5, 2009 by Writeacher*

**Math question**

I am a two digit number I have a 6 in the tens place I am even I have a 1 in me What am I?
*March 2, 2014 by Anonymous*

**Another question about Napolean**

Thank you for that website Ms Sue, it gave me good information which greatly assisted me in answering my question. However, I have another question that I cannot seem to get an answer to: How did Napoleon undermine the liberty of the French people?
*February 2, 2009 by thea*

**math**

I have a question that is asking me "How many factors does each of the following numbers have? 12^4=
*October 5, 2011 by christy*

**Statistics**

On a very short quiz, there is one multiple choice question with 5 possible choices (a, b, c, d, e) and one true or false question. Assume you are taking the quiz but do not have any idea what the correct answer is to either question. You mark an answer to each question anyway...
*July 8, 2011 by Cassie*

**prealgbra**

solve by simulating the problem.you have a 5 -question multiple -choice test. each question has four chices. you dont know any of the answers. what is the experimental probility that you will guess exactly three out of five question correctly?
*June 28, 2012 by sandr*

**Physics**

I am reviewing for a test and I don't know how to attempt this question. Could someone please work through this problem and then have the general steps that I need to take to solve the question? Here is the question: A rocket expels gases at a rate of 1.30 x 10^3 kg/s with...
*February 8, 2015 by Baxter Reus*

**Theology 10 - HELP!**

Do you think miracles happen today? Why? I have to asked someone this question so this is not a question for me to answer. I'll really appreciate if you answer my question and explain why.
*November 23, 2014 by Sarah*

**Physics**

Hi-I have a question-we're studying Newton's Laws and my question is: If I have a constant, non-zero force, how does the accleration change as the mass is changed. I think it changes proportionally-yes, or no but I'm not sure why except to say that's the law Thank you
*October 10, 2010 by Juliette*

**psychology (Ms.Sue)**

Thank you Ms.Sue for answering my last question. I have one another question that I has hard time understanding.... "the circumstances that may contributto the development of this condition." I have no idea what she is asking. This is the question, "Describe the ...
*April 28, 2012 by Delhi*

**Math**

I have another question. If I have 3.14 cm^2/(2.00cm/2)^2 would it be 3.14 cm?
*August 27, 2007 by Soly*

**Math**

Hi. This is my question: An art student wants to make a string collage by connecting six equally spaced points on the circumference of a circle to its center with string. What would be the radian measure of the angle between two adjacent pieces of string, in simplest form? ...
*April 20, 2009 by Ashfia*

**math**

Original Question is: how many 1/2 miles are in 12 miles? write the division question 12 divided by 1/2= 24 what multiplication question could the model also answer? 12 x 2 =24 This is the one I didn't understand Write the question given as a multiplication question?
*December 10, 2013 by Libby*

**Science Urgent**

i know i post this question before but i really need help on this question which have a higher value, iron-containing minerals or feldspars? Why? please help this is my last question i need to answer
*September 20, 2009 by Chris*

**math **

I have a question is this cheating when we ask questions from our school work ? Wouldn't our on line school know we are kids are doing this ? What is an ethical homework question ? Curious..
*February 2, 2013 by Molly*

**TO KIM**

can you help me with this |2x - 3|^2 - 6|2x - 3| + 5=0 I know you are goood with this stuff Math question here. let |2x - 3| = y then you have y^2 - 6y + 5 = 0 (y-5)(y-1)=0 y = 5 or y = 1 or |2x - 3| = 5 or |2x - 3| = 1 So you have |2x - 3| = 5 giving you: 2x - 3 = 5 or -2x + ...
*March 11, 2007 by Mallory*

**math**

when in life would one ever have a question relating to powers in the real world ex 5x5x5x5x5x5 Anyone have an idea
*July 26, 2011 by Cheryl*

**Math209**

I am in a college level math class and we have a question that I am suppose to answer however I looked for this in our text and online and I am not finding a direct answer to it. Here is my question, What is the meaning of the word "parameters"? Please identify a real world ...
*March 25, 2009 by Trish*

**Math**

Thank you for the answer now I understand. For the next question I made a mistake this is the question elli has two 8 and 1/2 pound bags of mints. She plans to put 1/12 pound at each place setting. Will she have enough mints? She has 256 guests I think that means 256 place ...
*December 11, 2013 by Matthew*

**Math **

I am not exactly sure of what I'm supposed to do in the following question: Describe and correct the error, given the functions f(x)=3x - 5 and g(x)=1/3 - 4/3. The first equation is as follows: g(-3)= 1/3 - 4/3 (3) =1/3 - 4 = -3 2/3 The second equation is: f(1)= 1/3 - 4/3(1) =...
*December 19, 2011 by Jessica*

**Math**

I need help with these three math question. 1st question. What is the additive inverse of 5 on the 12-hour clock? 2nd question. What is the equivalent number on the 12-hour clock. -22 the choices for this question is, 5 or 2 or 3 or 1. 3rd question. I need to find the additive...
*February 5, 2011 by Kimberly*

**Math CONTINUATION OF QUESTION FROM bobpursley**

Thank you for answering the question before bobpursley, I understand how you did the deriv of inside, outside, but how do I now do the second derivative since you have the extra -18x^2 in the numerator?? Thank you very much! (I suppose I have to brush up on my derivatives) ...
*March 10, 2011 by KIKSY*

**Science**

I am reviewing for a test and I don't know how to attempt this question. Could someone please work through this problem and then have the general steps that I need to take to solve the question? Here is the question: A rocket expels gases at a rate of 1.30 x 10^3 kg/s with a ...
*February 9, 2015 by Baxter Reus*

**8th grade**

i have a homework assignment i do not know how to do. i was out sick so i have not learned this. hear is the question......y varies directly as x. find the constant of variation and write an equation for the direct variation. question 1: y=15 when x=5
*January 14, 2009 by gavyn*

**Science**

I have a question: cells are small which allows larger cell membrane area for a smaller __________ (volume) therefore it is easier for cells to have their needs met. I need help with this question. I don't get it. Thank you!
*December 11, 2011 by Anonymous*

**10th grade Math B**

Hi. This is my question: An art student wants to make a string collage by connecting six equally spaced points on the circumference of a circle to its center with string. What would be the radian measure of the angle between two adjacent pieces of string, in simplest form? ...
*April 20, 2009 by Ashfia*

**Math**

Verify if question a is correct I calcuated twice now and I am getting 0 as an answer. I don't understand question b a) Examine the function f9x) =2(0.5x-1)^2(x+2)^2. Determine the function's average of change from -2<x<2. I got answer: =0-0/-2-2 =0 Avg rate of change: 0...
*December 19, 2011 by Elli*

**Activity Question**

Was conflict over red river settlement inevitable? Yeah because I am sure Macdonnel would have still issued his Pemmican Proclamation no matter what. This question is like a trick question. How do I reword it, and my answer is not good. please help
*May 25, 2011 by Emma*

**Math**

I might annoy you with this question but does any body know the question I posted below? This is my last question for today and I can't seem to figure it out.
*January 15, 2015 by Sarah *

**Government**

Hello, I need this question explained. You dont have to give me the answer ,but I just need a break down ..in order to know what direction i need to go in. I know what it means to be political..I guess Im just confused by the question. Please Help ! ( Question Below) Research ...
*May 2, 2011 by Natalie*

**calculus**

I have posted this question earlier and had the answer given to me this way. But my teacher needs to know what type of factorization I used and I have tried to figure it out but have NO clue!! This is the question. Solve the following inequality. write your answer in interval ...
*December 29, 2012 by Paul--please help!!*

**literature**

i have to write some paragraphs about comparing the details of the actual Salem witchcraft trials with details presented in the Crucible. i found information in my book and on a couple of sites. but i just need help formulating a question that will guide my search. Like a ...
*January 10, 2009 by y912f*

**Urgent math question for Reiny**

Find the value of the expression below for r=4 and t=2.... t^3-r+20 divided by r 9*** 72 6 40 Ok, Reiny you said my answer9 was originally wrong, however when I looked at the work you did and you put in parenthesis()....my question is why, because the original expression didn'...
*September 4, 2013 by Gabby*

**Math (precalculus)**

I have a question about the symmetry of graphs, but maybe it's more of a simple factoring question... Why is f(x)=x+(1/x) odd, while h(x)=x-x^2 is neither even nor odd? I understand that f(-x)=-x-1/x=-(x+1/x)=-f(x) is odd because f(x)=f(-x). Then for h(-x)=-x-x^2...why can't ...
*October 26, 2008 by Lucy*

**Math**

i have a question regarding statistics. i just don't know how to do it and would really appreciate if someone could tell how i can solve it. the question is; a) compute the mean and the standard deviation of the population? ive looked through all my notes and my textbook and i...
*November 21, 2010 by ash*

**math**

How do u graph y= -2x = 1. in baseball,the pither's mound is 6 in. more than 20 yd from homeplate.how many is this. First, Kylie, if you have a question, it is much better to put it in as a separate post in <Post a New Question> rather than attaching it to a previous ...
*April 4, 2007 by cindy*

**math trigonometry**

My question is kinda hard i dont know how to start the problem to get my answer. the question is: You are cleaning the gutters on your house. the gutters are @ a height of 24 feet. if you have a 50 foot ladder, what is the minimum angle the ladder can form with the ground?
*December 6, 2009 by kayla*

**Math**

(This is a question where we have to fill in the blank) So: 2 3 5 ? 12 11 16 26 41 ? It's a number sequence question and I need to fill in the ? as well as write a rule in words. PLEASE HELP!(And the top number has to relate with the bottom number)
*August 10, 2010 by Marianne*

**MATH HELP!!!!!**

For part a-c ,what does the scale factor between two similar figures tell you about the given measurements? A.side lengths B.perimeters C.areas Hello i would say that the answer is a)side lenths because if you measure then you would have to measure sides. BYE I have problems ...
*November 15, 2006 by chemiii*

**MATH**

WHY IS IT I NEVER GET AN ANSWER TO A QUESTION? IT SAYS I HAVE SUCCESSFULLY SUBMITTED THE QUESTION, BUT NEVER RECEIVE AN ANSWER. HOW DO I ACCESS AND ANSWER IF IN FACT, ONE IS POSTED?
*January 22, 2014 by dorothy*

**Quick Question #2 (URGENT)**

How would show/ask 'What is your phone number?' in symbols and pictures. Would having a picture of a telephone and the number sign beside it, and write equal sign then question mark demsonstrate this question? Example: phone pic (#)=? If my idea doesn't demonstrate the ...
*September 11, 2009 by John*

**Statistics**

You have a ten question multiple choice test in your next class and you did not study at all. Each question has four choices and only one correct answer. You are going to guess on each question. What is the probability that you score at least a 20% on the test.
*May 7, 2013 by Liz*