Friday

October 31, 2014

October 31, 2014

Number of results: 11,429

**Statistics**

Exam Grades. A statistics professor is used to having a variance in his class grades of no more than 100. He feels that his current group of students is different, and so he examines a random sample of midterm grades (listed below.) At á = 0.05, can it be concluded that the ...
*April 17, 2013 by Gabriela*

**elementary statistics**

A statistics professor is used to having a variance in his class grades of no more than 100. He feels that his current group of students is different, and so he examines a random sample of midterm grades (listed below). At 0.05 alpha level can it be conculded that the variance...
*November 30, 2013 by David*

**elementary statistics**

A statistics professor is used to having a variance in his class grades of no more than 100. He feels that his current group of students is different, and so he examines a random sample of midterm grades (listed below). At 0.05 alpha level can it be conculded that the variance...
*November 30, 2013 by David*

**Statistics**

1. The mean and standard deviation of the grades of a group of students who took an economic exam were 69 and 7, respectively. The grades have a mound-shaped distribution. According to the Empirical Rule, a) Approximately 68% of the grades were between which grade? b) ...
*September 9, 2011 by Larry English *

**teachers aide curriculum comtent**

literary themes understood by all people regardless of their background or the time they live in are (a)universal (b)skill-based(my answer) (c)motivational (d)literature -based what does the curriculum web show? (a)how one theme unites different subjects (my answer) (b)how one...
*August 27, 2011 by susue*

**statistics**

Suppose your statistics instructor gave six examinations during the semester. You received the following grades (percent correct): 89, 64, 88, 89, 91, and 75. Instead of averaging the six scores, the instructor indicated he would randomly select five grades and compute the ...
*February 29, 2012 by Anonymous*

**statistics**

Percentage grades in a large physics class follow a normal distribution with mean 58. It is known that 3% of students receive grades less than 39.2. What is the standard deviation of grades in the class?
*March 4, 2013 by Anonymous*

**My Grades (this is different) **

What is my grades for the first quarter? I didn't get my report card because my parents didn't go to the parents teacher conference so yeah but today my guides counselor show it to me (my grades for the first quarter) they didn't calculated my average. Here are my grades: ...
*November 19, 2011 by Laruen *

**physics**

ok i'm doing a lab were walking different displacements I observed that the displacements were on different grades of steepness this would decrease the coefficent of kinetic friction?
*August 12, 2009 by physics*

**mathematics (percentages)**

math problem: pedro wants to calculate his gpa. he has the lab grades:90/100,98/100,90/100,94/100,90/100,90/100,95/100,98/100. Labs are worth 20%. He has the test grades: 9/10,6/10,10/10,10/10,5/10,7/10,7/10,7/10,10/10,10/10,8/10,10/10. Homework is worth 20% test grades are: ...
*December 5, 2006 by day*

**Math**

Two students are talking after school: What is the average of your grades in Math for September? 4.6 That is impossible since the year just started. You could not possiblly have that many grades. What was the doubting student thinking of of the possible grades teachers give ...
*October 15, 2009 by Julie*

**algebra (i need help calculating my grade)**

i have exams tomorrow and i would like to figure out what i need to make on my exam to pass, daily grades are 30% major grades are 70% i averaged my daily grades to 84.5 my major grades so far are 77,85,91 what do i do next to figure out what i need to make on my exam to ...
*October 22, 2009 by Belle*

**English**

1. If your friend has bad grades, what would you say to help her get better grades. 2. If your friend had bad grades, what would you say to help her get better grades. ------------------ Which one is grammatical? Do we have to use 'has' or 'had'? Are both grammatical? What is ...
*December 12, 2013 by rfvv*

**Statistics**

My teacher is averaging up our grades in one area instead of including them all on our report card. For example, he is putting in one grade for the tests (the average of the grades) instead of including each individual grade for all of the tests. Are these two the same thing, ...
*September 8, 2009 by Avril*

**statistics**

Alice has grades of 98, 93, 82, and 89. If all of the grades count the same, what is the lowest grade she can make on the next test to have average of 92?
*December 6, 2011 by Nichole*

**Chemistry**

Chemicals are supplied in different grades,e.g. ACS,AR...etc.What do we mean when we say that the chemical is for synthesis?
*January 11, 2011 by candy*

** Math**

If I get 1 dollar for the first A plus 2 dollars for the second A and 4 for the thirs A and so on doubling with each additional A, and I get 8 different grades How do I do this?
*October 4, 2013 by Sydney Ford*

**Teacher aide**

I'm stuck on this question. Could someone help me please. Which of the following would you find in the new English and language arts curriculum guidelines? A An oral language program only at the primary grades B A phonics program at all grades C A writing program at all grades...
*April 22, 2011 by Bree*

**statistics**

If the grades on a police entrance exam are normally distributed with a mean of 100 and a standard deviation of 15, what percentage of students received grades of less than 115?
*April 1, 2012 by Laura*

**Linear Programming**

Riverside oil company in eastern Kentucky produces 3 different grades of gasoline. They are regular, premium, and supreme grades. Each barrel of regular grade sells for $77 while premium grade sells for $82 per barrel and supreme grade sells for $89 per barrel. Petroleum ...
*November 17, 2011 by Ashley*

**NYU **

NYU(New York University)? Is it tough to get into? like I want to become an artist and a writer so what addmission and grades (SAT, GPA, AND GRADES), school clubs ???? THANK U
*October 21, 2011 by Laruen *

**stats**

It was thought that students who dressed more neatly received better grades. To test this idea, a researcher rated each student on neatness of dress and obtained their grades on a standard school achievement test. The data are presented below. Higher scores indicate higher ...
*May 8, 2013 by Anonymous*

**Management Science**

Riverside oil company in eastern Kentucky produces 3 different grades of gasoline. They are regular, premium, and supreme grades. Each barrel of regular grade sells for $82 while premium grade sells for $88 per barrel and supreme grade sells for $89 per barrel. Petroleum ...
*March 18, 2013 by Annie*

**business**

i know that if u have good grades or if u take driver's ed, ur insurance is less, but does anyone know if they choose both, or only one? That depends upon the insurance company. I suggest you check this site, then call agents for several different companies to get their rates ...
*March 17, 2007 by michelle*

**Quantitative methods**

the mean and standard deviation of the grades of 500 students who took an maths exam were 69 and 7 respectively. if the grades have a bell shaped distribution, how many of these students received a grade of more than 83 marks?
*April 7, 2011 by lisa*

**Quantitative methods**

the mean and standard deviation of the grades of 500 students who took an maths exam were 69 and 7 respectively. if the grades have a bell shaped distribution, how many of these students received a grade of more than 83 marks?
*April 7, 2011 by lisa*

**college**

Suppose that, for a certain exam, a teacher grades on a curve. It is known that the grades follow a normal distribution with a mean of 70 and a standard deviation of 7. There are 45 students in the class. How many students should receive an A? Please, round your answer to the ...
*December 22, 2010 by Anonymous*

**programming**

create a c++ code that will set first the number of the student to be entered then get the name and their grades, After that display the name, grades & remarks of the student using arrays
*April 11, 2014 by fede*

**Statistics**

You want to estimate the grades of st2%atistics students who gets grades of C or better. How many students should you survey to be 95% confident that the sample percentage is off by no more than 2 percentage points.
*December 7, 2010 by Marnetta*

**statistics**

You want to estimate the grades of st2%atistics students who gets grades of C or better. How many students should you survey to be 95% confident that the sample percentage is off by no more than 2 percentage points.
*July 26, 2011 by ali*

**Algebra II**

The grades on the last math exam had a mean of 88%. Assume the population of grades on math exams is known to be normally distributed with a standard deviation of 6. What percent of students earn a score between 72% and 90%? (5 points) 0.6255 0.5843 0.6754 0.5346
*May 23, 2014 by Pewdiepie*

**Math**

The converse of this: If you study hard, then your grades will be good. I think it should be : If your grades are good, then you studied hard. Is this correct?
*July 21, 2009 by B.B.*

**English**

I have to write an essay for class. The topic is: Is too much emphasis placed on grades in our system? Explain. Is this a strong or weak thesis? Our educational system is to mandated when it comes to grades.
*July 1, 2008 by Robin*

**math**

Mary's test grades were 81, 89, 86, 86, and 84. Mary's teacher recorded one of her grades incorrectly. Instead of an 89, Mary's second test score should have been a 55. Which measure(s) of central tendency are affected by this change?
*February 8, 2012 by chris*

**math**

Mary's test grades were 77, 85, 77, 82, and 80. Mary's teacher recorded one of her grades incorrectly. Instead of an 85, Mary's second test score should have been a 58. Which measure(s) of central tendency is NOT affected by this change?
*April 30, 2012 by math*

**My First Quarter Grades (PLEASE READ!!!!) **

What is my grades for the first quarter? I didn't get my report card because my parents didn't go to the parents teacher conference so yeah but today my guides counselor show it to me (my grades for the first quarter) they didn't calculated my average. Here are my grades: ...
*November 18, 2011 by Laruen *

**math question**

hi, i have a math question that i need help with: when data are non-numerical but can be ordered, such as letter grades, the mean cannot be calculated directly; but both the median and mode can be found. Last year in Ms. Flag's history course, the final grades were 8A's, 6B's...
*August 29, 2006 by kelsey*

**English Writeteacher**

Can you proofread this for me please? Mr. Johns has demonstrated some very unique findings about physical therapy through different research and projects. Michael has developed a seminar curriculum and has done many clinical assignments at different locations. He has presented...
*February 25, 2009 by Jenny*

**ENGLISH**

How to get good grades and learn about reality.? Thesis: there are variety ways of getting good grades and learning about reality. One way to get good grades is by studying and working hard every day that will leads to higher grades average. Working hard is giving students ...
*October 9, 2008 by gertrude*

**math**

On the last school day of the first grading period Michael learns his final grade for each class. If order is not important and we know he has earned at least 1 of each of the 5 letter grades, what is the total number of combinations of 7 final grades (one for each class) that...
*November 16, 2010 by Anonymous*

**High School **

Will high school will look at my middle school grades (or just 8th grade grades ?) ????
*October 20, 2011 by Laruen *

**Business English**

Selecting concrete words 22. we have found that young men are best for this work. 23. She makes good grades 24. John lost a fortune in Las Vegas. 25. if we don't receive the goods soon we will cancel. 26.some years ago she made good money 27. His grades on the aptitude test ...
*October 18, 2011 by efi*

**statistics**

A professor informs her class that a test is very difficult, but the grades will be curved. Scores for the test are normally distributed with a mean of 25 and a standards deviation of 5. If she curves the grades by adding 50 to each grade, What is the new mean? What is the new...
*April 28, 2012 by Sabrina*

**AP Statistics**

many companies "grade on a bell curve" to compare the performance of their managers and professional workers. this forces the use of some low performance ratings, so that not all workers are listed as "above average". Ford Motor company's "performance management process," for ...
*October 4, 2014 by AnaGloria1020*

**8th grade**

On the last school day of the first grading period Michael learns his final grade for each class. If order is not important and we know he has earned at least 1 of each of the 5 letter grades, what is the total number of combinations of 7 final grades (one for each class) that...
*November 15, 2010 by Anonymous*

**statistics**

A professor is interested in determining whether assigning mandatory homework affects students’ grades. He is currently teaching two sections of the same class; in one class, he assigns mandatory homework problems, while in the second class, he just recommends homework ...
*October 24, 2014 by matt*

**mathematics (percentages)**

math problem: pedro wants to calculate his gpa. he has the lab grades:90/100,98/100,90/100,94/100,90/100,90/100,95/100,98/100. Labs are worth 20%. He has the test grades: 9/10,6/10,10/10,10/10,5/10,7/10,7/10,7/10,10/10,10/10,8/10,10/10. Homework is worth 20% test grades are: ...
*December 5, 2006 by day*

**Java Programming**

I'm new to Java and I'm not sure how to write the source code for this problem I got in class... Write a java program using the while and if statement that will accept ten student grades and that will display the sum of the grades, the student average, and the respective ...
*June 10, 2013 by Samantha*

**English**

1. Here is a checklist and some tips. 2. Here are a checklist and some tips. (Are both grammatical?) 3. Get help from friends. If you ask them, they will help you. You can buy a study book. It will help you too. 4. You need to get help from your friends. They will help you ...
*September 9, 2009 by John*

**math**

Miss C gives a test to the 10 students in her first-period algebra class. The grades are 93,82,95,86,90,84,89,79,87,93 A. Find the mean and Standard Deviation of the 10 scores. B. List all the reasons for why the late class could have a different mean or standard deviation
*May 17, 2012 by Kate*

**Psychology Please Help!!!!**

Some children require a "carrot on a stick" to get them to clean their room, behave well in public places, or make good grades. This suggests that: a. the incentive approach pulls the child toward the goal. b. the drive-reduction approach grades the child to reestablish ...
*November 23, 2011 by Anonymous*

**English**

Today I am very busy, so would you like to go to classes by yourself? I have to grade students' activities.Their attitude grades, handout grades should be graded. Then I have to enter grade information on NEIS (This is a kind of program where teachers enter information.). OK? ...
*November 29, 2009 by rfvv*

**math**

If you earn the grades of 81, 84, 78, 80 in four tests what should your final test’s score be in order to have an average of 81%? .81x400=324 Need a total of 324 pts Test grades so far 81,84,78,80 = 323 324-323=1 You need at least one more point to get an 81 Can someone please...
*September 10, 2009 by Kay*

**statistics**

A group of six students all have different grades in statistics. The median mark in the group is 68. If two of the six students are selected at random, what is the probability that both have marks greater than 68?
*November 7, 2011 by Kendra*

**All**

What does a 71% equal? im worried about my grades Anyone? i really need help It all dependes upon the instructor's grading scale. Most give a syllabus at the beginning of the semester which tells you how grades are assigned, the number of tests during the semester, etc. Look ...
*September 11, 2006 by Roxy55*

**PE**

i need help with a 5 page report on heath What is your topic? We'll be glad to help you when we know what you want write about. I want to try out volleyball but my grades are bad! But people say that sports make people do better in school. Do you that it will help? Playing ...
*August 10, 2007 by jennifer*

**math average!**

My average is a 74 right now. My grades are 70( which counts as 60% as my grade and i have 2 more major test coming up) 94, 60 (which counts as 25% and i have about 5 more of this coming up) 90,100,83,91,71( i have about 3 more of these and they count as 15%) This was an ...
*February 4, 2013 by Alyssa*

**math **

If you earn the grades of 81, 84, 78, 80 in four tests what should your final test’s score be in order to have an average of 81%? .81x400=324 Need a total of 324 pts Test grades so far 81,84,78,80 = 323 324-323=1 You need at least one more point in order to have an average of ...
*September 9, 2009 by Anonymous*

** Programming in c++**

Draw a flow-chart and Write a program that asks the user to enter students grades. The program should stop reading when the use enters ‘*’. In addition, your program should print the number of students got each grade. The grades can be A, B, C, D, and F. You should check for ...
*April 15, 2013 by alhan*

**Question regarding college**

Alright, I have a question. Last year was my freshman year in high school, and I didn't really care about my grades. I wasn't failing, but they werent excellent. They were about average. This year, I am making almost all a's, im in honors classes, and im working my BUTT off. ...
*September 21, 2012 by Bryce *

**statistics**

A professor is interested in the relationship between the number of hours students study for a quiz and their quiz grades. She asked each student to record the number of hours that he/she studied for the final exam. She also recorded the students’ grades in percentages (ex. ...
*April 29, 2014 by April*

**Language arts**

1. A student who toiled at school would probably get good grades.**** play a lot of sports. get suspended. 2. Read the following paragraph from Coming to America. Then answer question 2. "In my hometown of Ting Jiang, in southeastern China, people always said that America was ...
*June 1, 2014 by Mstv*

**probability**

A student has a choice of five different computers, three different monitors and seven different printers. How many different computer systems are possible? 15, 56, 105, or 128?
*January 1, 2010 by Anna*

**math**

The diner sells 4 different sandwiches, 6 different drinks, and 3 different deserts. How many different orders could you place if you decided to buy a sandwich and a drink? please help me to answer this..
*April 4, 2012 by Cheril*

**programming logic raptor**

1. a.input names of students from the user, terminated by "zzz", 0,0,0, and create a data file grades with records of the following form: student (string), test1 (integer), test2(integer), test3 (integer) b. display the contents of the file grades created in part a. each ...
*November 30, 2012 by gregg hedley*

**Statistics!**

Many companies "grade on a bell curve" to compare the performance of their managers and professional workers. This forces the use of some low performance ratings so that not all workers are listed as "above average." Ford Motor Company’s "performance management process" for a ...
*January 18, 2013 by Allex*

**English**

Please help with this question that has been bothering me! I take bio college class and we have graduate/student assistant for labs & when taking an exam. The professor is never there during those sections.Due to my low exam results,I feel I'm not being graded on fairly ...
*March 19, 2013 by Leah*

**Business Communication**

A student who has poor grades should: a) omit the grade poing average from the resume b) round off the grade point average rather than giving the precise figure c) explain the reason(s) for getting poor grades on the resume d) lie about the grade average I know (c) and (d) are...
*April 20, 2009 by Anonymous*

**pschology**

An article published in the "New York Times" reported the results of a large-scale study on homework for elementary school children. The study indicated that the lowest-achieving students spent more time on homework than children who received higher grades. Using what you have...
*November 5, 2011 by brandy*

**Python programming**

1,000 students took an online course. 1/4th of them were from Africa, 1/4th from Europe , 1/4th from South America, and 1/4th from Asia. At the end of the course, the instructor observed that of the top 100 grades, 30 belonged to students from a single geographical area. He ...
*January 13, 2013 by Anonymous*

**math214**

Use the following data to justify the amount of time that you expect to assign for weekly homework to classes in grades K–4 and grades 5–8. National Survey of Teachers Concerning the Amount of Homework Assigned per Week k-4 (percentages) 5–8 (percentages) 0–30 min 48 8 31–60 ...
*September 25, 2011 by darcel78*

**REALLY EASY **

Which of the following are a consequence of the Earth's yearly motion around the Sun? (check all that apply) 1.the Sun appears in different constellations in different seasons 2.the planets look different than stars 3.the Sun rises and sets 4.the Moon exhibits phases 5....
*September 19, 2011 by Kristina*

**math**

a man buying a new car can choose among 6 different colors, 3 different steering wheel styles, and 4 different audio packages? what is the total number of different combos he can choose?
*June 14, 2010 by peter*

**statistics**

A deli bar offers a special sandwich for which there is a choice of five different cheeses, four different meat selections, and three different rolls. How many different sandwich combinations are possible?
*March 16, 2011 by Maria B*

**Writing**

My corrections (please check grammar...etc): As I reflected back I realized that my friends got better grades than me. ...better grades than me... What is wrong with this? ...seek for help... What is wrong with this? ... it instead learns... What is wrong with this? Literally...
*June 30, 2013 by Anonymous*

**statistics**

In a large class, there were 220 students who wrote both the midterm and the final exam. The standard deviation of the midterm grades was 14, and that of the final exam was 20. The correlation between the grades on the midterm and the final was 0.60. Based on the least squares...
*September 22, 2012 by ashik*

**Statistics**

I'm stumped on this question. A teacher informs her history class that a test is very difficult, but the grades would be curved. Scores for the test are normally distributed with a mean of 25 and a standard deviation of 5. If the grades are curved according to the following ...
*March 15, 2011 by Norilyn*

**science**

How does soil most impact living things? A. different soils cause temperature extremes. B. different soils support different types of plants. C. different soils absorb different amounts of sunlight. D. different soils are different colors. My answer is B my next question What ...
*November 2, 2011 by lidia*

**Pre-Algebra [Permutations]**

1.A furniture store sells couches that are available in 3 different styles, 7 different colors, and 2 different sizes. How many different couches are available? - If I multiply all of these, would that give me the answer? If so, the answer would be 42. 2.In how many different ...
*June 25, 2009 by mysterychicken*

**math**

A college offers nine different psychology courses,four different history course,thirteen different math course,and five different business courses. If a student is required to take one course in each of those four subjects,how many different ways are there for the student to ...
*September 2, 2012 by Crystal*

**stat**

1. The MBA department is concerned that dual degree students may be receiving lower grades than the regular MBA students. Two independent random samples have been selected 350 observations from population 1 (dual degree students) and 310 from population 2 (MBA students). The ...
*November 29, 2010 by jeen*

**programming**

where are the errors the pseudocode debugging exercise // This application reads student typing test data // including number of errors on the test, and the number // of words typed per minute. Grades are assigned based // on the following table: // Errors // Speed 0 1 2 or ...
*September 15, 2013 by Andre*

**grades**

your average grade if you get a b- then you get a d+ ?
*September 26, 2013 by rockrboiluvr14*

**Math**

There are six different toppings for pizzas, sausage, hamburger, pepperoni, ham bacon and pork. There are three different cheeses, american, mpzzarella, parmeasan. the pizza comes with two different meats and one chese , how many different combinations of pizzas are possible?
*May 17, 2012 by tj*

**math**

Find the mean of these grades:71, 72, 87, 96, 82, 76.
*August 19, 2014 by Anonymous*

**math**

Find the mean of these grades:71, 72, 87, 96, 82, 76.
*August 19, 2014 by malcolm*

**math**

Find the mean of these grades:71, 72, 87, 96, 82, 76.
*August 19, 2014 by Anonymous*

**Science**

Different kinds of sedimentary rocks exist because A. they were formed in different places B. their formation took different lengths of time C. they were formed by sediments from different rocks D. they have been cut differently I THINK ITS C is that right?
*November 8, 2011 by Bob*

**math - please help**

In a gift wrapping department, a customer can choose from x different papers, y different ribbons, and z different greeting cards. There are 160 different paper, ribbon, and greeting card combinations. List three of the possible combinations.
*February 3, 2011 by stacy*

**math**

• 9 different crusts • With or without cheese • 4 different sauces • 8 different meat toppings • 17 different non-meat toppings Obviously you can have only 1 crust, 1 cheese, and 1 sauce on a pizza. However, you can have anything from 0 to all 8 different meat toppings and ...
*October 7, 2012 by Jim*

**Chem**

Give three examples each of household items that have: a. different structures and exhibit different properties b. same chemical make-up composition but a different structure, hence, different properties c. the same properties but with different chemical composition
*July 11, 2013 by Eliza*

**question**

does it matter the grades of freshmen year
*October 19, 2013 by jim*

**Chemistry-help**

How does a "chemical for synthesis" compare with the same chemical(ACS grade)when used in analytical testing? Posted by candy on Tuesday, January 11, 2011 at 2:10pm. Chemicals are supplied in different grades,e.g. ACS,AR...etc.What do we mean when we say that the chemical is ...
*January 12, 2011 by candy*

**math**

Ok, the problem says: a Middle school has 125 6th graders, 150 7th graders, and 100 8th graders. Which statement is NOT true? a. the ratio of 6th graders to 7th graders is 5 to 6. b. the ratio of 8th graders to 7th graders is 3:2. c. the ratio of 6th graders to students in all...
*January 18, 2011 by panda*

**math**

tom receives 4 different shirts and 4 different ties for his birthday.how many different combinations of shirt and tie could he wear?
*February 9, 2013 by ceetah*

**statistics**

First graders who misbehave in school may be more likely to be regular smokers as young adults according to a new study presented in the July 2004 issue of the American Journal of Epidemiology. After following a group of U.S. first graders for 15 years, it was found that among...
*July 7, 2012 by jennifer*

**mATH**

First graders who misbehave in school may be more likely to be regular smokers as young adults according to a new study presented in the July 2004 issue of the American Journal of Epidemiology. After following a group of U.S. first graders for 15 years, it was found that among...
*February 11, 2013 by bETTY*

**Math**

A restaurant owner has a luncheon special that consists of a cup of soup, half of a sandwich, and a beverage. She wants to advertise that a different luncheon of three items can be purchased 365 days of the year for $4.99 apiece. If she has 7 different kinds of soup and 6 ...
*February 26, 2012 by Jeremy*

**My Grades **

Hi Teachers !!!!:) Ms. Sue remember I told you about my grades well I got some a few questions I would like to ask you. This you post: 98.33 + 93.0 + 96.66 = 287.99 287.99 / 3 = 95.9966667 Your average for these three classes is 96%, which is a GPA of 3.84. ...
*October 16, 2011 by Laruen *

**sra jmcguin**

I'm supposed to do a draft essay on helping a high school senior with improving his grades. 3 recommendation as his friend and there explanations, along with introduction and conclusion sentences. Only one paragraph. ths is the draft any suggestions are appreciated - also ...
*January 28, 2009 by sam help please*

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