Friday

October 24, 2014

October 24, 2014

Number of results: 4,939

**Stats**

An instructor gives a test with 20 multiple choice questions. There are 4 responses per questions and only one choice correct. The test also has 30 True/False questions. Determine the probability a student randomly guessing on all questions and correctly answering no more than...
*March 31, 2011 by Lacey*

**Stats**

[1.5%] ANOVA: Three groups of 5 students were tested in their ability to correctly answer a 10-question quiz under different formats. Group 1 had a True/False quiz, Group 2 had a Fill-In quiz, and Group 3 had a Multiple Choice quiz. Their scores were as follows: True/False ...
*May 17, 2010 by TJohnson*

**Math**

14+2m = 4m - 16 (no multiple choice) I don't understand it 4(x +2) = 14 - 2(3 - 4x) (no multiple choice) Eight subtracted from 4 times a number is equal to 4 less than 6 times the number. (not multiple choice) my answer is 8x - 4 = 4x - 6
*September 22, 2014 by Anonymous*

**Math**

12+4n/3 = 8 Not multiple choice.. trying to find n. My answer is 7 9a - 3(a -6) = -6 Not multiple choice.. I'm not quite sure how to do this The width of a rectangle is 6 in. less than its length. The perimeter is 68 in. What is the width of the rectangle? Not multiple choice...
*September 17, 2014 by Anonymous*

**Stats**

You are taking a multiple choice test that has 20 questions with 4 possible answers each. You randoming quess each answer. What is the probality of getting 7 questions correct?
*May 1, 2010 by Bernice*

**algbrea**

Francine and Cheryl received equal scores on a test made up of multiple choice questions and an essay. Francine got 34 multiple choice questions correct and received 14 points for her essay. Cheryl got 30 multiple choice questions correct and received 22 points for her essay...
*September 29, 2014 by jace*

**Math**

a 10 question multiple choice test has 4 possible answer for each question. A student selects at least 6 correct answers. Find probability of this event: (multiple choice) A) .118 B) .995 C) .068 D) .571
*December 13, 2011 by Matt Borchelt*

**Math **

The width of a rectangle is 6 in. less than its length. The perimeter is 68 in. What is the width of the rectangle? (not multiple choice) my answer is 14 5(a-4) - 8a = 55 (not multiple choice) my answer -25 2n-7/3 = 15 (not multiple choice) my answer is 6
*September 19, 2014 by Anonymous*

**Math**

The width of a rectangle is 6 in. less than its length. The perimeter is 68 in. What is the width of the rectangle? (not multiple choice) my answer is 14 5(a-4) - 8a = 55 (not multiple choice) my answer -25 2n-7/3 = 15 (not multiple choice) my answer is 6
*September 19, 2014 by Anonymous*

**stats**

You took a 5-question multiple choice quiz with 4 choices for each question. If you guess at random on each question, what is the probability that you get at least one question correct?
*November 15, 2011 by sia*

**Statistics help?**

Hi there, I was looking for any assistance or help on how I would go about starting this assignment? Having difficulty understanding it. Thank you in advance. "A stats instructor is interested in investigating time of day his lectures were held on student' test scores. He ...
*November 26, 2012 by Evan*

**Statistics on Psychology**

Hi there, I was looking for any assistance or help on how I would go about starting this assignment? Having difficulty understanding it. Thank you in advance. "A stats instructor is interested in investigating time of day his lectures were held on student' test scores. He ...
*November 24, 2012 by Evan*

**elementary stats**

On a multiple choice test with 11 questions, each question has four possible answers, one of which is correct. For students who guess at all answers, find the mean for the number of correct answers.
*February 23, 2012 by Rose Bud*

**AP stuff**

"Come to... classroom after school (the possible dates will be announced later in April). There you will naswer 20 multiple choice questions based on the text, as well as AP style multiple choice questions. You will also answer 2 openended questions both of which will be ...
*May 18, 2008 by Me*

**Maths**

Multiple-choice questions in a test are graded by adding 2 marks for each correct response and subtracting 1 mark for each incorrect response (including no response). Rory and Jenny answered all the multiple-choice questions, with Rory scoring 27 and Jenny scoring 42. Rory ...
*November 17, 2010 by Jannie*

**Math**

What is the probability of rolling a number cube and getting an even number or a multiple of 3? I got 4/6 as the probability, but that isn't a choice. 6 is a multiple of 3 and an even number, so if I count 6 once, then I get 4/6 as the probability. But if I count 6 twice (for ...
*March 30, 2011 by Sammy*

**math (stats)**

A biology professor gives a surprise quiz consist of a true/false question followed by a multiple choice question with four possible answers. If both questions are answered with random guesses, find the probability that both responses are correct. Please show your work.
*January 23, 2012 by juan777*

**Stats multiple choice ?**

If we are told that statistical significance has been achieved, what does that allow us to infer? A. That the differences seen in the samples can be generalized to the population that the sample represents. B. That the measures used are valid and reliable. C. That each of the ...
*February 18, 2009 by ash*

**Math**

A physics exam consists of 9 multiple-choice questions and 6 open-ended problems in which all work must be shown. If an examinee must answer 5 of the multiple-choice questions and 2 of the open-ended problems, in how many ways can the questions and problems be chosen?
*March 29, 2014 by Anonymous*

**Stats**

A student takes a 32 question multiple choice exam but did not study and randomly guesses each answer. Each question has three possible choices for the answer. Find the probability that the student guesses more than 75% of the questions correctly. (Round your answer to three ...
*November 1, 2012 by Madmistro*

**Math**

1)At 1 p.m., Lin records an outside temperature of –14.8°F. At 3 p.m... she records the outside temperature and notices the temperature had increased by 22.6 degrees. What was the temperature that she recorded at 3 p.m.? ( no multiple choice) *my answer is 7.8* 2) (x - 16) + 5...
*September 16, 2014 by Anonymous*

**math**

Is this the right way to answer this question? A physics exam consists of 9 multiple-choice questions and 6 open-ended problems in which all work must be shown. If an examinee must answer 7 of the multiple-choice questions and 3 of the open-ended problems, in how many ways can...
*August 23, 2009 by sam*

**Math (Ms. Sue! Anyone!)**

1)At 1 p.m., Lin records an outside temperature of –14.8°F. At 3 p.m... she records the outside temperature and notices the temperature had increased by 22.6 degrees. What was the temperature that she recorded at 3 p.m.? ( no multiple choice) *confused on this question* 2) (x...
*September 15, 2014 by Anonymous*

**math**

1)At 1 p.m., Lin records an outside temperature of –14.8°F. At 3 p.m... she records the outside temperature and notices the temperature had increased by 22.6 degrees. What was the temperature that she recorded at 3 p.m.? ( no multiple choice) *confused on this question* 2) (x...
*September 15, 2014 by Anonymous*

**stats**

a student randomly guesses at five multiple-choice questions, each question has five possible choices (suppose the choice for each question is independent): a) Find the probability that the student gets exactly three correct. b) What is the probability that the student gets ...
*March 31, 2012 by jeanette*

**algebra**

Pam scored 78 on a test that had 4 fill-in questions worth 7 points each and 24 multiple choice questions worth 3 points each. She had one fill-in question wrong.How many multiple choice questions did Pam get right?
*July 5, 2011 by Poochie*

**Algebra**

A history test is to have 20 questions in which some are multiple choice and some are essay. The multiple choice questions are worth 4 points each and the essay questions are worth 8 points each. if the test has a total of 100 points, how many of each type of question is on ...
*September 17, 2011 by Kay*

**English for john browm**

Let me give you something on "multiple-choice" items that may help you to guess better. Many teachers prepare multiple-choice tests because they are easy to mark and offer the student the advantage of actually seeing what the correct answer is. There are important strategies ...
*May 7, 2009 by SraJMcGin*

**stats**

Question 5 of 10 Why are partial regression coefficients necessary in multiple regression? (Points : 1) Multiple variables each provide some of the same information. Each variable involved contributes a unique error component. Each variable involved is part of the intercept ...
*July 20, 2014 by please help*

**math**

Part A of your history test has 15 multiple choice questions. Each question has four choices. Part B has 10 true/false questions. How many ways are there to answer the 15 multiple choice questions? How many ways are there to answer the 10 true or questions? How many are there ...
*February 15, 2011 by John*

**Writing Tests**

Lately, for the past couple of tests I've written, I suddenly blank out and can't recall any information... Normally I've been fine, but writing tests has suddenly become more difficult for me. I do study a lot, though - reviewing notes and doing questions. Perhaps I'm not ...
*March 7, 2008 by Lucy*

**Stats**

A test has 15 true or false questions and 10 multiple choice questions (each with 4 choices). All questions are weighted equally. Jack has not studied at all for the test and randomly guesses. 1. What is the probability that Jack gets 96% on the test? a. 0.000000001 b. 0....
*October 23, 2010 by Rhea *

**stats**

a test consists of 25 multiple choice questions. Each has 5 possible answers, which only one is correct. If a student guesses on each question, find the following: a) prob that he will guess all of them right b)prob that he will guess at most 12 right c) prob that he will ...
*February 18, 2011 by gio*

**Environmental Science**

Can someone please like help me? :') Mack, what is your question? We will not give you the answer but I will try to find you sources where you can find it. I checked your previous multiple choices posts. It is not possible to say if they are correct (best answer), as you ...
*April 21, 2007 by Mack*

**Civics**

Question 1 (Multiple Choice Worth 3 points) Which approach to foreign policy involves sending ambassadors to other countries? Isolation Diplomacy Intervention Imperialism Question 2 (Multiple Choice Worth 3 points) Which of the following is true about foreign and domestic ...
*July 24, 2014 by Dariusbd*

**algebra**

Given D=5, E=10 and F=4, evaluate D E/F Multiple choice 1/2 2 25/2
*June 13, 2011 by jan*

**Prob and Stats**

In a multiple regression with 5 predictors in a sample of 56 U.S. cities, what would be the critical value for an F test of overall significance at a= .05? A. 2.45 B. 2.37 C. 2.40 D. 2.56
*December 9, 2009 by please help!*

**algebra 1**

hi. i'm confused so please help. thanks. 9 - x/6 = 7(x+1)/13 multiple choice a. 6 b. 13 c. 11 d. 12 thank you again.
*November 28, 2010 by Anonymous*

**geometry**

User: Courtney Thompson In Course: Geometry V8 ( 2167) Instructor: Tracie Morgan -------------------------------------------------------------------------------- WARNING: You must not leave this exam form! If you try to click back into this exam again prior to submitting, ...
*December 31, 2008 by courtney thompson*

**Math**

24. Multiple Choice. For which pair is the greatest common factor 8? A. 2 and 4 B. 7 and 15 C. 32 and 64 D. 56 and 72
*September 18, 2012 by Gracie*

**Elementary algebra multiple choice**

2x^2+3xy-4y^2= (A) 9x^2-4y^2 (B)9x^2+4y^2 (C)9x^2+4y^2-6xy (D)9x^2+4y^2-12xy
*April 14, 2013 by Hipolito*

**Math**

What is the value of w? 5( 9 - 3) = w x 9 - 5 x 3 I think the answer is 6 because 9-3 equals 6. *it's not multiple choice*
*August 22, 2014 by Nay*

**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*

**Algebra II**

Simplify(Multiple Choice) (1-csc^2 0)/(cot^2 0) A.)-1 B.)1 C.)tan^2 0 D.)1/sin^4 0
*June 9, 2011 by HotMath*

**stats**

which test to use One-sample or independent samples t-test? A researcher tests five individuals who have seen paid political ads about a particular issue. These individuals take a multiple-choice test about the issue in which people in general (who know nothing about the issue...
*March 5, 2013 by kelly*

**gometry**

multiple choice always,never,sometimes Intersecting lines are _____coplanar?
*September 3, 2008 by jasmyn*

**Calculus**

Multiple Choice: Suppose F(x)=∫ from 0 to x^2 of 1/(2+t^3) dt for all real x, then F'(-1)=? a. 2 b. 1 c. 1/3 d. -2 e. -2/3 Steps please? Thanks(:
*February 6, 2011 by Rebecca*

**To Dakota: Multiple choice**

Sorry -- but I accidentally deleted your last post. I agree with your answer -- B.
*August 14, 2013 by Ms. Sue*

**litreature **

can you give me some multiple choice question about act 3 in king lear
*May 13, 2011 by reem*

**English**

Multiple choice: A factory might emit? A.pollution. B.smokestacks. C.resources. Is it A or B? not sure - help
*December 3, 2012 by Deborah*

**english**

how to do i do good on a ela multiple choice comprehension test. like can you give me some tips?
*April 15, 2013 by tom*

**math**

Confused!! None of these questions are multiple choice. 1) -18 + 4 + x = 9 - 19 2) 32 - 6x + 7x = -15 + 28 3) -4x + 5(x -2) = -16 + 10 4) 4.8 + x -5.9 = 3.6 5) 1/3x + 1/3 (2x - 15) = 3 1/2 I have to find x for all of them, but I'm not sure what to do first.
*September 16, 2014 by Anonymous*

**Electrical versus Gravitational Forces (Physics)**

Multiple Choice help: * _____ forces between charges are enormous in comparison to ______ forces. * A. electrical, gravitational (possible?) B. gravitational, electrical (possible?) C. positive, negative (wrong, I think) D. negative, positive (wrong, I think) According to the ...
*February 25, 2011 by Angela*

**math**

What is the probability of guessing 70 out of 100 multiple choice questions correct when there are 4 choices per question?
*April 22, 2008 by Jamal*

**Algebra 2**

Write an equation for the nth term of the geometric sequence: -12,4,-4/3 I had a_n=-12(3)^(n-1) but that is not a choice on the multiple answers they have = -12(1/3)^(n-1) = 12(-1/3)^(n-1) = -12(-1/3)^(-n+1) = -12 (-1/3)^(n-1)
*November 17, 2007 by Chelsey*

**geometry**

multiple choice always,sometimes,never A plane containing two points of a line_________contains the entire line?
*September 3, 2008 by jasmyn*

**math**

find the 3rd multiple of 100, the 4th multiple of 10,and the 9th multiple of 4
*September 23, 2012 by kaci*

**To: judith -- medical terminology**

I deleted your 17 multiple-choice exam questions. You showed none of your answers, and appeared to be trying to cheat!
*December 21, 2010 by Ms. Sue*

**AP Calculus AB**

If y = (((3x^2)+ 5)^5)((x+2)^4), then dy/dx = ? I've gotten to the point where i have (5((3x^2)+ 5)^4)(4(x+2)^3)(6x), what do i do next? It's a multiple choice question anf this is not one of the answers listed. Any help would be appreciated. Thanks!
*September 18, 2011 by Jane*

**math**

A 10-item multiple choice test with 4 options (A,B,C,D) is given to a class in English, what is the probability that the student’s answers are of the same letters
*June 29, 2012 by mae*

**Math (Combinatorics)**

How many 4 digit positive integers have the ones digit a multiple of 1, the tens digit a multiple of 2, the hundreds digit a multiple of 3 and the thousands digit a multiple of 4?
*April 29, 2013 by Bob*

**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*

**NYS ELA Online Practice Exam - PLEASE read!**

Today is my NYS ELA Exam Book 1: Multiple Choice Questions. I know I'm supposed to be at school but the 7th graders take the exam around 12:30 or 12:40. Right now the 8th graders are (still) taking the exam so I'm still at home. Tomorrow is Book 2: Listening and Note-taking (...
*April 17, 2012 by Laruen *

**Probability**

Mary took a 20 question multiple-choice exam where there are 4 choices for each question and only 1 of those choices is correct. Rather than reading the question, Mary simply puts a random choice of answer down for each question. Determine the probability that Mary gets ...
*January 5, 2013 by John*

**Math check 3**

f(x) = 1/(x+7)+15/(x-8). Find all a for which f(a)=f(a+15). I understand this so far f(a)=f(a+15) 1/(7+a) + 15/(a-8) = 1/(a+22) + 15/(a+7) I have multiplied the LCD of (a-8)(a+7)(a+22)by both sides with no luck. This is a multiple choice question a.) -161/8 b.) 120/7 c.) 161/7...
*October 12, 2008 by Shawn*

**social studies**

what are 3 reasons for emigrating in canada? (please give 3 answers making 2 of them wrong... kind of like multiple choice and specify)
*May 27, 2008 by anonymous*

**calc**

how do i find the derivative of........ (sinx) ^2-(cosx) ^2 i put it into my t-89 and got -4sinxcosx butthats not a multiple choice. can someone tel me how to do this by hand?
*March 28, 2010 by James*

**Geometry**

A pet store has various sizes of guinea pig cages. What are possible dimensions of this cage? L=6 cm W=4.8cm This problem has a multiple choice: A)28 in. BY 24 in. B)28 in. BY 18 in. C)30 in. BY 24 in. D)30 in. BY 18 in.
*January 6, 2012 by Anonymous*

**Integrating quadratics?**

find the antiderivative of f(x) = x^3(x-2)^2 I factored this out and got x^5-4x^4+4x^2 I'm supposed to integrate this. I don't know how. Someone help me please? BTW, multiple choice options are: A B C D
*April 26, 2012 by Now What Do I Do? *

**Multiple Choice**

Absolute zero is A. the temperature at which the motion of particles theoretically ceases. B. defined as 0°C. C. the triple point for water. D. all of the above A???
*May 19, 2014 by Angela*

**Algebra**

pam scored 78 on a test that had 4 fill-in questions worth 7 points each and 24 muliple choice questions worth 3 points each. She had one fill-in question wrong. How many multiple-choice questions did pam get right?
*October 28, 2011 by Sharday*

**ela**

how do i get a good grade on ela comprehension multiple choice test.
*March 20, 2013 by hibroitsmeyourbro*

**math**

please help the multiple choice answers do not match problems! 15-3+2-9 choices 0, 2, 4, 8 16+4divided by 2+9 choices 4, 11, 13, 21
*March 21, 2011 by Angie*

**PHYSICS PLEASE HELP QUICKLY**

Multiple choice please help :) Which of the following is equivalent to one ampere? 10 s/10 C 10 C/10 m 1.5 C/1.5 s 15 C/10 s
*May 8, 2014 by Hope*

**ORIENTATION MAKEUP**

A. essay questions. B. suggested activities. C. practical exercises. D. multiple-choice questions.
*October 17, 2010 by leyla*

**Biology**

How do you calculate the magnification on a microscope? Please help, I do not have any multiple choice to go by, I have to write a response!
*September 18, 2014 by Skye*

**Biology**

How do you calculate the magnification on a microscope? Please help, I do not have any multiple choice to go by, I have to write a response!
*September 18, 2014 by Sky*

**Math**

Why is this problem 37,1% correct. Sam scored 45 points againd Memphis in an NBA game. He made 13 of 37 shots what was his shooting percentage? Multiple choice test. 37% 37.4% 37.1% 37.3%
*March 9, 2007 by Amber*

**MATH Prob.**

Find the probability of correctly answering the first 4 questions on a multiple choice test if random guesses are made and each question has 3 possible answers.
*August 8, 2009 by Twg*

**American Government**

The greatest blow to the organinzational strength of U.S. parties was: Multiple Choice answers: A. National convention B. Direct primary C. Jacksonian democracyemergence of PACs D.
*July 23, 2011 by NeNe*

**statisitcs**

suppose you got 75 items corrct on a 100-item, six alternative, multiple-choice exam what would your score be after we corrected for guessing?
*September 16, 2012 by jt*

**statistics**

Test consist of 10 multiple choice questions each having 4 possible answers one being correct. you guessed all 10 what is the probability of getting less than 30%
*July 13, 2013 by janice *

**History Multiple Choice**

One of the Patriots’ greatest strengths was their A. reliance on local militia. B. well-trained soldiers. C. superior troop numbers. D. persistence in fighting. Is ir B?????????
*February 11, 2014 by ALEXA*

**Statistics**

Astudent makes random guesses on 6 multiple-choice questions. One of the 5 choices in each question is correct. What is the probability that the student will get at most 4 answers right?
*October 21, 2014 by M-M*

**AP CHEMISTRY**

Could someone please tell me where to find the 2008 AP Chemistry Multiple Choice for FREE ONLINE? Thank You in advance!
*May 1, 2012 by DAN*

**Simplify Polynomials**

-3f^2+4f-3+8f^2+7ft1 3x^2+5x-5x^2-4x+5-2 Pleeaase help me! this is worth 4 points and I have my answers but they just don't fit the multiple choice answers.
*May 30, 2014 by nonononono*

**US History multiple choice**

1. Kennedy's record on civil rights: A. did not exist. B. was completely revolutionary. C. produced mixed results. D. was accepted by Congress. I think it's C but I'm not 100% sure.
*November 19, 2010 by anthony*

**MATH**

HOW DO LEAST COMMON MULTIPLES WORK. IT SAYS THERE IS A PROBLEM TO SOLVE BUT MY MOM AND I CAN'T FIND IT. THEY CIRCLED BOTH 2'S AND 3'S. The least common multiple of 2 and 3 is six. The least common multiple of 12 and 6 is 12. # noun: the smallest multiple that is exactly ...
*January 2, 2007 by MORGAN*

**math**

ab+cd=34 ac+bd=38 ad+bc=43 what is a+b+c+d=? multiple choice: a)15 b)16 c)17 d)18 e)19 First, I tried guessing and testing, but couldn't find the correct answer. Then I tried isolating a a=(34-cd)/b I'm stuck, there are too many variables
*February 19, 2009 by sh*

**Math**

1. P(Number<2) A. 1/6 B. 2/6 C. 4/6 D. 3/6 2. P(Number>3) A.4/6 B.1/6 C.2/6 D.5/ 3. P(Complement of 4) A.1/6 B.5/6 C.2/6 D.4/6 4. A multiple choice question has 5 possible answers. What are the odds in favor of guessing the right answer? A.1:5 B.2:2 C.3:1 D.1:3
*March 28, 2014 by CaliGirl*

**Multiple Choice HELP!**

Consider the elements neon, bromine, and phosphorus. Which has five electrons in its 4p sublevel? I got phosphorus wrong as my answer....
*May 8, 2014 by Angela*

**Math**

A student guesses on every ??? of a multiple choice test that has 9 quetions, each with 3 possible answers. what's the probability the student will get at least 7 of the questions right?
*February 10, 2010 by Reta*

**Probability**

You are taking a multiple choice test that has 20 questions with 4 possible answers each. You randoming quess each answer. What is the probality of getting 7 questions correct?
*May 1, 2010 by ryan*

**Math**

On a multiple choice test you guess he answers to two questions. Each question has five choices. What is the probability that you both answers correct?
*March 24, 2011 by Sophiee*

**Math**

A multiple-choice test has four possible answers for each question. If a student guesses at the answer, what is the probability that he or she selects the correct answer
*November 1, 2012 by Pamela Straw*

**Analytical Chemistry**

Current is applied to an aqueous solution of calcium sulfide. Multiple choice help please??! What is produced at the cathode? A) H2(g) B) S(s) C) O2(g) D) Ca(s) What is produced at the anode? A) O2(g) B) H2(g) C) Ca(s) D) S(s)
*March 30, 2013 by Sam*

**global studies**

which is not a way that the canadian government attempts to cooperate with french canadians? This looks like a multiple choice question. If so, please post the choices and indicate your answer.
*March 19, 2007 by jack*

**MATH Prob.**

Find the probability of correctly answering the first 4 questions on a multiple choice test if random guesses are made and each question has 3 possible answers. A) 4/3 B) 1/81 C)1/64 D)3/4 I automatically think D.
*August 9, 2009 by Twg*

**Multiple Choice!!!!!!!!!!**

En la clase de educación física los estudiantes _____ deportes. A. practicas B. practica C. practicar D. practican They are all the same except A its practices, so which ones right??
*January 8, 2014 by Angela*

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