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April 24, 2014

Search: Geometry ONE MULTIPLE CHOICE QUESTION PLEASE HELP!

Number of results: 68,417

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
Tuesday, December 13, 2011 at 9:50pm by Matt Borchelt

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, ...
Wednesday, December 31, 2008 at 3:23pm by courtney thompson

Geometry ONE MULTIPLE CHOICE QUESTION PLEASE HELP!
The vertices of a triangle are P(4, 1), Q(2, 8), and R(8, 1). Name the vertices of the image reflected across the x-axis. P'(4, 1), Q'(2, 8), R' (8, 1) P'(4, 1), Q'(2, 8), R'(8, 1) P'(4, 1), Q'(2, 8), R'(8, 1) P'(4, 1), Q'(2, 8), R'(8, 1) Thank You! :) your help...
Tuesday, March 20, 2012 at 1:44pm by Katie

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...
Friday, July 8, 2011 at 2:47pm by Cassie

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?
Tuesday, November 15, 2011 at 9:01pm by sia

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 ...
Monday, May 17, 2010 at 2:39pm by TJohnson

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 ...
Thursday, May 7, 2009 at 1:40pm by SraJMcGin

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 ...
Monday, November 19, 2012 at 11:16pm 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 ...
Tuesday, November 20, 2012 at 6:48am by Andrew

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?
Tuesday, July 5, 2011 at 7:07pm by Poochie

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...
Thursday, March 31, 2011 at 9:30am by Lacey

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.
Tuesday, May 7, 2013 at 5:34pm by Liz

Math
Given a multiple choice test with 4 choices for each question and 17 questions, What are the odds of getting all 17 questions incorrect? Each question has one correct answer--So 75% per question, but how about the entire test?
Tuesday, September 11, 2007 at 5:30pm by Mary Anne

CP Geometry
Hi. I know there must be a formula for this question, but I just can't figure it out. Q.) Imagine a large multiple choice sheet printed with response spaces like the sample below. Now how many unique responses can be encoded? Explain your reasoning! (A)(B)(C)(D)(E)(F)(G)(H)(I)
Tuesday, August 25, 2009 at 12:09am by Eve

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 ...
Saturday, January 5, 2013 at 10:27pm by John

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!
Sunday, September 18, 2011 at 1:56pm by Jane

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 ...
Tuesday, February 15, 2011 at 8:57pm by John

calculus
this question is a multiple choice question, however i dont know how to start or finish it. The solution set of |3x+2|<1 contains... i need help trying to figure out how to solve for x. other then that i believe i could answer the question.
Thursday, February 25, 2010 at 5:22pm by Selly

Geometry One multiple choice question!
Write the ratios for sin A and cos A. {picture is of a right triangle, ABC. segment AC is 8, segment AB is 17, and segment CB is 15.} sin A=15/17, cos A=8/17 sin A=15/8, cos A=8/17 sin A=15/17, cos A=8/15 sin A=8/17, cos A=15/17
Tuesday, May 29, 2012 at 7:40pm by LEXI

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...
Sunday, August 23, 2009 at 1:15pm by sam

Finite Math
A biology quiz consists of 10 multiple -choice questions. 7 must be answered correctly to receive a passing grade. If each question has 4 possible answers, of which only one is correct, what is the probability that a student who guesses at random on each question will pass the...
Monday, October 8, 2012 at 8:15pm by Toni

Math
A multiple choice quiz contains five question. Each question has four answer choices. Michael is not prepared for the quiz and decides to guess for each question. What is the probability that Michael will get at least one question correct? What is the probability that Micheal ...
Monday, April 29, 2013 at 1:09pm by Ashley

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?
Thursday, June 28, 2012 at 8:35pm by sandr

geometry
multiple choice always,sometimes,never A plane containing two points of a line_________contains the entire line?
Wednesday, September 3, 2008 at 8:54pm by jasmyn

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 ...
Saturday, September 17, 2011 at 1:02pm by Kay

Binomial Distribution
A biology quiz consists of twelve multiple-choice questions. Eight must be answered correctly to receive a passing grade. If each question has five possible answers, of which only one is correct, what is the probability that a student who guesses at random on each question ...
Wednesday, April 18, 2012 at 8:35pm by Price

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 ...
Sunday, May 18, 2008 at 3:46pm by Me

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.
Friday, January 6, 2012 at 9:02pm by Anonymous

GEOMETRY MULTIPLE CHOICE QUESTION PLEASE HELP!
Concrete can be purchased by the cubic yard. How much will it cost to pour a slab 11 feet by 11 feet by 3 inches for a patio if the concrete costs $63.00 per cubic yard? (1 point) $211.75 $70.58 $317.63 $1,905.75
Tuesday, April 17, 2012 at 4:53pm by LeXi<3

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 ...
Wednesday, November 17, 2010 at 12:32am by Jannie

Bioethics
I have a multiple choice question, I've narrowed it down to 2... A case in medical ethics is paradigmatic when it a. is similar to a prior case b. establishes a precedent Can someone please explain which one it this? I'd appreciate any help. Thank you.
Sunday, August 8, 2010 at 6:10pm by Veronica

Math
What is the difference between the number of possible answers on a five question true-false test and a five -question multiple choice test withfour choices per question
Monday, April 22, 2013 at 6:54pm by Praphul

Math
What is the difference between the number of possible answers on a five question true-false test and a five -question multiple choice test withfour choices per question
Monday, April 22, 2013 at 6:54pm by Praphul

math
What is the difference between the number of possible answers on a five question true-false test and a five -question multiple choice test withfour choices per question
Wednesday, April 24, 2013 at 10:38am by Praphul

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?
Friday, October 28, 2011 at 4:22am by Sharday

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 ...
Wednesday, March 30, 2011 at 4:22pm by Sammy

7th grade math last question!
#11 The coordinate of rectangle ABCD are given. Find the coordinates of its image after a dilation with the scale factor of 2. A (2,4) B (-3, -1) C (0,9) D (6,-4) I DESPERATELY NEED HELP WITH THIS QUESTION IT ISN'T MULTIPLE CHOICE SOMEONE HELP PLEASE!!!!
Monday, November 5, 2012 at 11:22pm by Delilah

litreature
can you give me some multiple choice question about act 3 in king lear
Friday, May 13, 2011 at 3:25pm by reem

Math
In a multiple-choice test, each question has five options. Students will get 5 points for each correct answer; lose 2 point for each incorrect answer; and receive no points for unanswered questions. A student does not know the correct answer for one question. Is it to her ...
Tuesday, July 19, 2011 at 5:31pm by Jen

Math
In a multiple-choice test, each question has five options. Students will get 5 points for each correct answer; lose 2 point for each incorrect answer; and receive no points for unanswered questions. A student does not know the correct answer for one question. Is it to her ...
Wednesday, July 20, 2011 at 3:38pm by Jen

calculus help please
hi what is lim as x reaches one of the function x/LN(x) is it one or does the limit it not exist. hi what is limit as x reaches one of the function x/LN(x) is it one or does the limit it not exist. Have you tried graphing it? That will tell you if the limit exists. yes it says...
Saturday, December 2, 2006 at 9:37pm by Anonymous

math
I think this question has a typo because none of the multiple choice answers fit. The question is which of the following values is in the solution set of inequality 8-7x<-6? A) -3 B)-2 C)2 D)-6 A if you plug in -3 you get 29<-6 no B) 8+14<-6 no c) 8-14<-6 so -6<...
Thursday, December 27, 2012 at 6:39pm by Es

Math-probability
In a multiple-choice test, each question has five options. Students will get 5 points for each correct answer; lose 2 point for each incorrect answer; and receive no points for unanswered questions. A student does not know the correct answer for one question. Is it to her ...
Wednesday, July 20, 2011 at 1:40pm by Jen

Reiny Or Damon?
Thanks for reading this! A triangular prism has vertices at A(2,-1,-1) B(2,1,4) C(2,2,-1) D(-1,-1,-1) E(-1,1,4), and F(-1,2,-1)? This question has two parts: 1 - Which image point has the coordinates (-3,2,1) after a translation using the vector <-5,1,3> I'm thinking it'...
Thursday, April 26, 2012 at 7:57pm by For Reiny

Geometry Question (multiple choice)!
The isosceles trapezoid is part of an isosceles triangle with a 34 vertex angle. What is the measure of an acute base angle of the trapezoid? Of an obtuse angle? 73; 107 34; 146 73; 146 34; 107 Thank you =) :) ;)
Tuesday, January 10, 2012 at 8:44pm by Claire

Statistics
A multiple choice test consists of 60 questions. Each question has 4 possible answers of which one is correct. If all answers are random guesses, estimate the probability of getting at least 20% correct? Trouble with deciding p, n, q, and P (X)
Friday, October 8, 2010 at 10:48pm by Lori

math
What is the probability of guessing 70 out of 100 multiple choice questions correct when there are 4 choices per question?
Tuesday, April 22, 2008 at 4:51pm by Jamal

Reiny Damon Bobpursley?
Thanks for reading this! A triangular prism has vertices at A(2,-1,-1) B(2,1,4) C(2,2,-1) D(-1,-1,-1) E(-1,1,4), and F(-1,2,-1)? This question has two parts: 1 - Which image point has the coordinates (-3,2,1) after a translation using the vector <-5,1,3> I'm thinking it'...
Friday, April 27, 2012 at 6:10pm by Tabby

math
you take a three-question multiple-choice test.each question has four choices.you dont know any of the answers. what is the experimental probability that you will guess exactly two out of three correctly please help me i am confused
Wednesday, April 21, 2010 at 4:11pm by Katherine

math
you take a three-question multiple-choice test.each question has four choices.you dont know any of the answers. what is the experimental probability that you will guess exactly two out of three correctly please help me i am confused
Wednesday, April 21, 2010 at 4:50pm by Katherine

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.
Thursday, February 23, 2012 at 11:18pm by Rose Bud

Translation with vectors
Thanks for reading this! A triangular prism has vertices at A(2,-1,-1) B(2,1,4) C(2,2,-1) D(-1,-1,-1) E(-1,1,4), and F(-1,2,-1)? This question has two parts: 1 - Which image point has the coordinates (-3,2,1) after a translation using the vector <-5,1,3> I'm thinking it'...
Thursday, April 26, 2012 at 6:32pm by For Reiny

Vertices - Reflections&Tranlations?
Thanks for reading this! A triangular prism has vertices at A(2,-1,-1) B(2,1,4) C(2,2,-1) D(-1,-1,-1) E(-1,1,4), and F(-1,2,-1)? This question has two parts: 1 - Which image point has the coordinates (-3,2,1) after a translation using the vector <-5,1,3> I'm thinking it'...
Saturday, April 28, 2012 at 1:24pm by Tabby

math
each question on a five-question multiple-choice quiz has answer choices labeled a, b, c and d. how many different ways can a student answer the five questions
Sunday, September 9, 2012 at 9:28am by nouf

Spanish 1
Cual no es un mes del ano? I just need to know what that says, its a multiple choice question but I cant translate it right and If i could just know what the question was right I could get the answer myself.
Tuesday, March 11, 2008 at 11:16pm by Alehanda

college
A test is composed of six multiple choice questions where each question has 4 choices. If the answer choices for each question are equally likely, find the probability of answering 3 OR 4 questions correctly.
Thursday, June 17, 2010 at 6:25pm by poe

math
a multiple choice test has 8 questions with 4 possible answers for each question. if a student were to guess the answer to each question how many different ways would there be to answer the test A. 32 B. 4 C. 65 536 D. 4 096
Tuesday, May 24, 2011 at 6:25pm by steve

stat
A test is composed of six multiple choice questions where each question has 4 choices. If the answer choices for each question are equally likely, find the probability of answering more than 4 questions correctly
Sunday, June 13, 2010 at 6:35pm by laura

satistics
A test is composed of six multiple choice questions where each question has 4 choices. If the answer choices for each question are equally likely, find the probability of answering more than 4 questions correctly.
Wednesday, October 20, 2010 at 10:44am by Anonymous

statistics
10. A student is taking a multiple choice test where each question have 5 possible answers of which only one is right. If the student knows the answer the student answers correctly, otherwise there is a 20% probability of correct answer. Assume the student knows 70% of the ...
Wednesday, September 12, 2012 at 3:27pm by mutinda

statistics
A student is taking a multiple choice test where each question have 5 possible answers of which only one is right. If the student knows the answer the student answers correctly, otherwise there is a 20% probability of correct answer. Assume the student knows 70% of the ...
Wednesday, September 12, 2012 at 3:30pm by erick

math
A test is composed of six multiple choice questions where each question has 4 choices. If the answer choices for each question are equally likely, find the probability of answering 3 OR 4 questions correctly. 0.131836 0.032959 0.004639 0.164795
Saturday, June 19, 2010 at 4:59pm by molly

Math
I need help with the second question: A student is taking a multiple choice exam. There are five possible answers for each question. What is the probability the student will answer the first question correctly? Answer is 1/5 What is the probability that the student will answer...
Saturday, November 19, 2011 at 6:00pm by Tanya

geometry
Which equation is the correct equation to solve for x? Given ST = 5x + 1 , TU = 4x -1, and SU = 54 Its multiple choice and the answers given are- A)(5x + 1) + 54 = 4x - 1 B)(4x - 1) + 54 = 5x + 1 C) 5x + 1 = 55 - 4x D) 5x + 1 = 27
Monday, August 26, 2013 at 8:37pm by Sid

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 ...
Saturday, April 21, 2007 at 4:00pm by Mack

GEOMETRY INSCRIBED ANGLES MULTIPLE CHOICE QUESTION
segment BC is tangent to circle A at B and to circle D at C. (Not drawn to scale) AB=10 BC=25 and DC=3. Find AD to the nearest tenth. Hint: Draw an auxiliary line from D to segment BA. {There are two circles, the larger one has point A in the center and a dotted line going up ...
Tuesday, May 15, 2012 at 9:50am by aYaMe ;)

Geometry HELP
Find the area of the parallelogram.( with base(s)=10 and the side length(s)=6cm. I don't know the height or area so how do I get my answer? here are the multiple choice answers. a.)15√3 cm^2 b.)15√2 cm^2 c.) 30√3 cm^2
Wednesday, June 9, 2010 at 4:54pm by Ariel

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.
Saturday, August 8, 2009 at 1:53pm by Twg

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?
Saturday, March 29, 2014 at 7:08pm by Anonymous

Pre-Calc
I have one more question I don't understand. It's a multiple choice question. I need to pick which of the following describes the steps involved in using the graph of y=3 cos x+3: a. Stretch the graph vertically by a factor of 3 and shift it to the left 3 units. b. Stretch the...
Saturday, May 5, 2007 at 9:21pm by sarah

statistics
Richard has been given a 5-question multiple-choice quiz in his history class. Each question has three answers, of which only one is correct. Since Richard has not attended the class recently, he doesn't know any of the answers. The success occurs if Richard answers a question...
Tuesday, November 9, 2010 at 1:00pm by Anonymous

Geometry Multiple Choice
A rectangle napkin costs $3.25. A similar tablecloth is five times longer and five times wider. How much would you expect to pay for the table cloth? $81.25 $48.74 $16.25 $32.50
Sunday, April 15, 2012 at 3:39pm by Jill

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
Friday, March 28, 2014 at 12:20pm by CaliGirl

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.
Monday, January 23, 2012 at 12:30am by juan777

statistics
A student is taking a multiple choice exam. There are five possible answers for each question. What is the probability the student will answer the first question correctly? What is the probability that the student will answer the first question incorrectly?
Saturday, November 19, 2011 at 1:30am by Tanya

Math
A student is taking a multiple choice exam. There are five possible answers for each question. What is the probability the student will answer the first question correctly? What is the probability that the student will answer the first question incorrectly?
Saturday, November 19, 2011 at 3:39pm by Tanya

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?
Thursday, March 24, 2011 at 7:32pm 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
Thursday, November 1, 2012 at 9:44pm by Pamela Straw

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.
Monday, March 19, 2007 at 9:40am 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.
Sunday, August 9, 2009 at 12:15am by Twg

English
When making multiple choice quiz for students about speaking. Do I need to use question marks in the answer choices. Example- Hello how are you. a)fine thank you and you b)good wasup c)I'm ok Answer (a) is the answer to the question but in itself is a question. I have searched...
Friday, August 17, 2012 at 5:47am by Ajarn

Math
On a multiple-choice test you randomly guess the answers to two questions. Each question has five choices. What is the probability that you get both answers correct?
Thursday, March 24, 2011 at 7:47pm by PrettyPlzHelp

One college algebra ?
Hello I have a question about a problem. The problem is (- 25/9)^3/2. Its multiple choice however I think they are tricking us. A. 125/27 B. - 125/27 C. 125/3 D. Not a real number I got A as an answer but feel that it is not a real number?
Wednesday, January 16, 2013 at 10:16pm by Kristen

Geometry Please Help With One Multiple Choice
Write the ratios for sin A and cos A. {picture is of a right triangle, ABC. segment AC is 8, segment AB is 17, and segment CB is 15.} sin A=15/17, cos A=8/17 sin A=15/8, cos A=8/17 sin A=15/17, cos A=8/15 sin A=8/17, cos A=15/17
Tuesday, May 29, 2012 at 8:33pm by LEXI

Math
Let f(x) = 1/(x+7)+15/(x-8). Find all a for which f(a)=f(a+15). How do I solve this problem? I understand this so far f(a)=f(a+15) 1/(7+a) + 15/(a-8) = 1/(a+22) + 15/(a+7) I am lost after that This is a multiple choice question and I am not getting any of the choices a.) -161/...
Sunday, October 12, 2008 at 1:34pm by David

math
Which of the values is in the solution set for the inequality -8-7x>6 It is multiple choice A=-1 b=-2 c=-3 d=2 I did this: -8-7x>6 add 8 to each side -7x>14 -7/-7>14/-7 x<-2 since it is less then -2 should the answer be c=-3 The way they ask the question I am ...
Friday, January 4, 2013 at 7:02am by b6

math
A multiple-choice test has 10 questions. Each question has 5 choices. If a student answers each question by guessing randomly, find the probability that the student gets: a) at most 4 questions correct b) at least 7 questions correct Please show your work.
Monday, May 23, 2011 at 7:41pm by corey

statistics
A test has 1 true false question and 2 multiple choice questions(A B C D). Draw a tree diagram and determine the sample space for the possible ways to answer the test.
Sunday, May 5, 2013 at 9:00pm by janae

Statistics
Richard has been given a 5-question multiple-choice quiz in his history class. Each question has four answers, of which only one is correct. Since Richard has not attended the class recently, he does not know any of the answers. The success occurs if Richard answers a question...
Tuesday, June 15, 2010 at 7:10pm by Jacob

Statistics
There are 100 questions from a SAT test, and they are all multiple choice with possible answers of a,b,c,d,e for each question only one answer is correct. Find the mean number of correct answers for those who make random guesses for all 100 questions?
Thursday, February 13, 2014 at 1:09pm by Karen

PROBABILITY MATH
Find the probability of correctly answering the first 4 questions on a multiple choice test if random guesses are made and each question has 5 possible answers. Explain to me the answer?
Wednesday, November 9, 2011 at 4:22am by HM

statistics
A multiple choice test has 20 questions with each having 4 possible answers with one correct. Assume a student randomly guesses the answer to every question. 1) What is the probability of getting exactly 9 correct answers? 2)What is the probability of getting less than 9 ...
Tuesday, March 23, 2010 at 2:21pm by please help me!

Elementary Statistics
There are 100 questions from an SAT test, and they are all multiple choice with possible answers of a,b,c,d,e. For each question, only one answer is correct, find the standard deviation for the numbers of correct answers for those who make random guesses for all 100 questions.
Friday, April 11, 2014 at 3:22pm by Confused

biology-multiple choice question
In order to survive, all organisms must carry out: 1. autotrophic nutrition 2. heterotrophic nutrition 3. enzyme-controlled reactions 4. the process of locomotion Help??
Monday, February 18, 2008 at 7:19pm by Nicci

Business
I have a multiple choice question I don't know how to do, please help. I was thinking d). Structural resources of a frim include a) customer relationships b) databases c) organizational procedures d) All of the above e) None of the above
Wednesday, July 8, 2009 at 9:32pm by Ash

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%
Saturday, July 13, 2013 at 12:10am 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?????????
Tuesday, February 11, 2014 at 12:45pm by ALEXA

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 ...
Thursday, November 1, 2012 at 6:17pm by Madmistro

geometry
Can someone check my work please? What is the area of the figure below? 18 in 30 in 36 in (my choice) 60 in What is the area of the figure below? 31.5 m 63 m (my choice) 84 m 126 m What is the value of h? 9.6 units 26.7 units (my choice) 48 units 96 units What is the ...
Friday, March 30, 2012 at 9:07pm by kevin

statistics
A multiple choice exam has 20 questions; there are four choices for each question. A student guesses the answer to every question. Find the chance that he guesses correctly between four and seven times. Find the minimum score the instructor can set so that the probability that...
Monday, February 10, 2014 at 11:50am by m

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