Monday

January 16, 2017
Number of results: 10,043

**statistics**

A math professor notices that scores from a recent exam are normally distributed with a mean of 64 and a standard deviation of 5. Answer the following questions using integer values. What score do 75% of the students exam scores fall below? And, how was this answer calculated?

*February 14, 2012 by Dora*

**Math**

Suppose that scores on the Math SAT exam follow a Normal distribution with mean 500 and standard deviation 100. Two students that have taken the exam are selected at random. What is the probability that the sum of their scores exceeds 1200?

*June 28, 2015 by Loraine*

**Statictics**

In testing a new drug, researchers found that 20% of all patients using it would have a mild side effect. A random sample of 25 patients using the drug is selected. Find the mean and standard deviation of patients having a mild side effect.

*May 19, 2014 by Netta*

**Business statistics**

A new drug that treats patients with anxiety has a 60% success rate in improving the patient’s condition. For a random sample of eight patients taking this drug, determine the probability that: 4.2.1. four patients have improvement in their condition. 4.2.2. at least two ...

*September 16, 2014 by Nthabiseng*

**English composition**

i just wanna ask if this is correct. i was making a prewritng classification and division. is not finish yet but i just wanna ask if im having a good start thanks Title: Genres of movies Topic announcement: Horror movies Introduction: It is fun to watch scary movies with ...

*July 10, 2016 by Bernard*

**Study tips needed for exam!!**

How can i study for my exam in one day? There are five chapters and i am on my first. Do you have nay study tips for me. Thanx

*June 4, 2012 by nallu allu*

**Math**

A student has to score minimum of 40% to pass an exam .if student gets 178 marks and fails the exam by 22 marks, what is the total marks?

*December 14, 2016 by Athena*

**statistics and probability**

In 1992, the FAA conducted 86,991 pre-employment drug tests on job applicants who were to be engaged in safety and security-related jobs, and found that 1,043 were positive. (a) Construct a 95 percent confidence interval for the population proportion of positive drug tests. (b...

*November 1, 2010 by Laura*

**Biology **

Describe the G protein receptor system and the tyrosine-kinase receptor system. Explain how these two systems are similar and how these two systems are different, in terms of structure and function please.

*March 4, 2016 by nan*

**Biology **

Describe the G protein receptor system and the tyrosine-kinase receptor system. Explain how these two systems are similar and how these two systems are different, in terms of structure and function please.

*March 10, 2016 by nan*

**Science**

Can someone describe the G protein receptor system and the tyrosine-kinase receptor system. I wanna know how these two systems are similar and how these two systems are different in their of structures and functions.

*March 15, 2016 by Elain*

**nystce exam help with downloading**

On the Nystce exam site-- the first site that comes up when you google "nystce": Can someone please download and repost the * Assessment of Teaching Assistant Skills (ATAS) (095) because my computer won't let me. Thanks very much.

*May 19, 2008 by Anonymous*

**stats**

scores on a University exam are normally distributed with a mean of 68 and a standard deviation of 9. use the 68-95-99.7 rule to answer the following questions 1) what proportions of students score between a 59 to 77? 2) what proportions of students score between a 50 to 86? 3...

*September 5, 2016 by kayla*

**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*

**algebra 1**

I was just wondering if anybody could explain to me the steps in 'solving systems in substitution' and 'solving systems in substitution with a variable'. I'm majorly confuzled!!!! It might help to post a specific problem so someone can show you the steps.

*March 7, 2007 by Otoño*

**Calc**

A body of an unknown temperature was placed in a room that was held at 30°F. After 10 minutes, the body's temperature was 0°F, and 20 minutes after the body was placed in the room the body's temperature was 15°F. Estimate the body's initial temperature. Thank you!!

*January 6, 2011 by Erica*

**Management of information systems**

Information systems cannot solve every business challenge. Identify 2-3 business issues and provide an explanation of why technology cannot be used to aid or solve them.

*February 11, 2011 by Sam*

**physics **

A 2 kg body and 3 kg body are moving along x-axis .At a particular instant ,the 2 kg body has a velocity of 3 m per sec and the 3 kg body has the velocity of 2 m per sec . The velocity of the center of mass at that instant is.

*September 15, 2015 by kirti*

**metal work technology**

classification of all machines

*May 1, 2008 by john*

**science please help me**

in classification system what does BASIS mean????????

*September 21, 2008 by ali*

**Chemistry**

Hi I need help with the AXmEn classification of Acetic Acid.

*October 11, 2010 by Anonymous*

**geometry**

Q(-8,3), R(6,3), S(3,-3), T(-11,-3) Which of the following is the strongest classification that identifies this quadrilateral?

*January 6, 2012 by joseph*

**Science**

Please for information on how to care each classification of metals.

*May 13, 2013 by Divine*

**physical science **

Which of the following four bodies has the greatest kinetic energy? a. A body of mass 1 kg moving with speed 1000 m/s. b. A body of mass 2 kg moving with speed 50 m/s c. A body of mass 3 kg moving with speed 50 m/s d. A body of mass 50 kg moving with speed 2 m/s e. A body of ...

*December 15, 2011 by Fonda*

**statistics**

Last week Tom had exams in Math and in Spanish. He had a score of 45 on the Math exam and a score of 65 on the Spanish exam. For which class should Tom expect the better grade? a. Math b. Spanish c. The grades should be the same because the two exam scores are in the same ...

*December 31, 2013 by Lyndyc*

**physics**

a body is allowed to slide down a frictionless track from rest under gravity . The track end in a circular loop of diameter D . What should be the minimum height of the body in terms of D so that the body successfully complete the loop.

*December 30, 2016 by Palak*

**Drug Information Sources**

Can someone review over these questions and MY answers at the bottom and let me know if I have missed any or not. I am not asking for anyone to do my homework or anything. I have already do the work I just want MY work check to make sure I got the answers right or not. Please ...

*December 22, 2010 by Kesler*

**7th grade health please**

1. The process of talking directly to the other person to resolve a conflict (1 point) conflict negotiation assault compromise 2. Forced sexual intercourse (1 point) gang assault rape neglect 3. A disagreement between people with opposing viewpoints, interests, or needs (1 ...

*January 11, 2013 by Delilah*

**Science **

what is the importance of ph to biological systems in the human body? I have an answer but is there anything else I could include and is my answer justified? My answer: Changes in the ph could be harmful, Natural buffers prevent rapid or large changes in the pH of living ...

*February 10, 2016 by Mitch*

**city college**

(Drug Benefits and Post Retirement Liabilities) Delphi Company reduced its other post retirement benefits by approx 500 million because of a change in the law. The federal government will not reimburse companies for prescription drug benefits that it provides to its employees ...

*May 9, 2011 by Anonymous*

**Drug Infromation Sources**

Can someone review over these questions and MY answers at the bottom and let me know if I have missed any or not. I am not asking for anyone to do my homework or anything. I have already do the work I just want MY work check to make sure I got the answers right or not. Please ...

*December 22, 2010 by S. Huggins*

**Math**

2500 students take a college entrance exam. The scores on the exam have an approximate normal distribution with mean u = 52 points and a standard deviation o = 11 points. Estimate the percentage of students scoring 52 points or more. ^ How would you do this?

*May 7, 2013 by Ruth*

**STATISTICS**

PINWORM INFESTATION COMMONLY FOUND IN KIDS CAN BE TREATED WITH THE DRUG PYRANTEL PAMOATE. RESEARCH SHOWS THE TREATMENT IS EFFECTIVE IN ABOUT 90% OF CASES. DRUG IS ADMINISTERED TO 25 KIDS WHAT IS THE PROBABILITY THAT EXACTLY 23 OF THEM ARE CURED? WHAT IS THE PROB. THAT MORE ...

*February 10, 2008 by todd*

**statistics**

PINWORM INFESTATION COMMONLY FOUND IN KIDS CAN BE TREATED WITH THE DRUG PYRANTEL PAMOATE. RESEARCH SHOWS THE TREATMENT IS EFFECTIVE IN ABOUT 90% OF CASES. DRUG IS ADMINISTERED TO 25 KIDS WHAT IS THE PROBABILITY THAT EXACTLY 23 OF THEM ARE CURED? WHAT IS THE PROB. THAT MORE ...

*February 10, 2008 by todd*

**statistics**

Pinworm infestation commonly found in kids can be treated with the drug pyrantel pamoate. Research shows the treatment is effective about 90% of cases. The drug is administered to 25 kids. What is the probability that exactly 23 of them are cured? What is the prob. that more ...

*February 10, 2008 by todd*

**english**

What if anything, is wrong with the following sentence? The new drug proved to be highly effective, it has no side effect. a. Comma splice b. Properly constructed sentence. c. Lacks parallel parts d. Has unclear pronoun This is an example of a comma splice. You have two ...

*August 5, 2007 by ds*

**Can somehelp me with this ASAP plz?!?!?! Stats**

For a particular sample of 63 scores on a psychology exam, the following results were obtained. First quartile = 57 Third quartile = 87 Standard deviation = 9 Range = 51 Mean = 72 Median = 72 Mode = 98 Midrange = 57 I. What score was earned by more students than any other ...

*October 19, 2011 by Jen*

**statistics**

For a particular sample of 53 scores on a psychology exam, the following results were obtained. First quartile = 44 Third quartile = 68 Standard deviation = 8 Range = 55 Mean = 54 Median = 54 Mode = 71 Midrange = 64 I. What score was earned by more students than any other ...

*January 27, 2013 by Mandy *

**Math - Ratios**

In Mrs. Sotomayor's class, the final grade is based on 6 quizzes and 2 exams. If each exam counts for 3 times as much as each of the quizzes, what fraction of the final grade is determined by each exam?

*September 10, 2013 by Venus*

**statistics**

time required to complete a statistics exam is uniformly distributed between 60 and 150 minutes. What is the probability that a student will take longer than 120 minutes to complete the exam

*November 8, 2011 by deena*

**Math**

My overall average right now is a 77%. A test exam of 67 has to be added in. That exam itself is only 10% added to final. Can someone help and tell me what my final will average out after 10% of the 67 will be? Thank you

*June 25, 2015 by Nursing student*

**College Algebra**

Matt scored 75 on the calculus midterm. If the final exam counts twice as much as the midterm exam, then for wht range of scores on the final would Matt get an average between 81 and 92?

*September 25, 2011 by Ty*

**Math**

A class of 12 students has taken an exam, and the mean of their scores is 71. One student takes the exam late, and scores 92. After including the new score, what is the mean score for all 13 exams?

*November 29, 2016 by Anonymous*

**Statistics**

The returns on the NASDAQ Index and the following stocks on the NASDAQ Exchange were calculated for the period January 2001 to December 2006 are shown in Xm04-73. Amgen Ballard Power Systems Cisco Systems Intel Microsoft Calculate the beta coefficient for each stock and ...

*May 9, 2012 by Jayson*

**math Steve for your solution**

0.224g sample that contained only bacl2 and kbr required 19.7ml of 0.1M ango3 to reach the end point. Calculate the percentage of each compound present in the sample. The right answer bacl2 32.4% KBR 67.7% You need to use 3 solution of drug H containing respectively 50%, 20% ...

*December 28, 2013 by Fai*

**Algebra 2**

At 1:00 a.m., a homicide detective found the reading of a corpse's body temperature to be 88 degrees Fahrenheit. One hour later, the body temperature is 83 degrees Fahrenheit. If the body has been in a 74 degree Fahrenheit room since its death, what is the time of death ...

*July 10, 2013 by Anonymous*

**Math.....**

At 1:00 a.m., a homicide detective found the reading of a corpse's body temperature to be 88 degrees Fahrenheit. One hour later, the body temperature is 83 degrees Fahrenheit. If the body has been in a 74 degree Fahrenheit room since its death, what is the time of death ...

*July 16, 2013 by Anonymous*

**Stats**

For a particular sample of 63 scores on a psychology exam, the following results were obtained. First quartile = 57 Third quartile = 87 Standard deviation = 9 Range = 51 Mean = 72 Median = 72 Mode = 98 Midrange = 57 Answer each of the following: I. What score was earned by ...

*October 17, 2011 by Jen*

**Health care please check answer**

Please check my answer thank you :) A patient visits the doctor's office with abdominal pain of two days' duration. Medical history is significant for tonsillectomy and hypertension. The patient denies alcohol and drug abuse. The rectal exam confirms heme-negative stool. ...

*March 19, 2008 by Kaleigh-Anne*

**Algebra**

Before the final exam, a student has test scores of 72, 80, 65, 78, and 60. If the final exam counts as one-third of the final grade, what score must the student receive in order to have a final average of 76 percent? Thanks!!

*September 14, 2013 by Serena*

**Algebra 2**

You have 48 minutes to take an exam of 21 questions. After you finish the first 10 questions, you realize you must answer the remaining questions twice as fast to finish the exam. How many questions per minute were you answering?

*November 23, 2016 by Lewis*

**history **

Both the Puritans and William Penn viewed their colonies as “holy experiments.” How Did they differ?

*March 5, 2012 by ljessie*

**ALGEBRA 1**

In a certain math course, a student needs between 720 and 810 points in order to get a B. The final exam is worth 200 points. If Cathy has 582 points just before the finals, what range of scores on the final exam will give her a B for the course?

*January 6, 2013 by HELP HELP HELP MNHS*

**statistics**

A sample of 100 patients who use the drug are followed over time. Those that use the drug have a mean life expectancy of 71.30 years. The mean life expectancy for the general population is 75.62 years. The population standard deviation is 28.

*September 20, 2014 by Michelle*

**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 *

**math, algebra**

Two expressions for calculating the drug dose for young children are: (2t^3 + t^2 -t)a / 48t^2 -24t and (3t^2 -2t)a / 3t^2 + 34t - 24 where t is the age of the child in years and a is the adult dose. If the adult dose for a pain killing drug is 250mg, then what is the dose to ...

*January 2, 2012 by dominic*

**Math**

The time needed to complete a final examination in a particular college course is normally distributed with a mean of 83 minutes and a standard deviation of 13 minutes. Answer the following questions. What is the probability of completing the exam in one hour or less (to 4 ...

*October 22, 2015 by Kelsey*

**biology**

What two classification groups are used in the scientific name?

*March 2, 2008 by TeeWee*

**science**

what is the last skill i have inference predition obsevation and classification?

*October 5, 2009 by amanda*

**Business Management**

Are there any weaknesses in the EFAS/IFAS classification system?

*January 14, 2010 by chosen4cj*

**English **

Would doing a classification paper on skin types be to complicated?

*February 28, 2010 by Trowers *

**Chemistry**

What does the study of the periodic table have to do with classification and prediction?

*March 23, 2010 by Ash*

**math models**

What is the classification for this polynomial? 4g^2h^4j^2+3g^6h^8 A. monomial B. binomial C. trinomial

*October 6, 2010 by jackie*

**math models**

What is the classification for this polynomial? 4g^2h^4j^2+3g^6h^8 A. monomial B. binomial C. trinomial

*October 6, 2010 by jackie*

**Mgn**

My teacher gave me a project on classification of fibres please help me

*July 1, 2011 by A*

**Science 7R HELP! (Q3)**

which of the seven level of classification is most specific? Please help I don't get this!!!!!

*January 18, 2012 by Laruen *

**algebra**

what are the classification of polynomials according to the number of terms they have.

*October 17, 2012 by kat*

**Science**

Metals used in the home and classification. Uses and how they may be cared.

*May 12, 2013 by Juanita*

**Math**

Select the BEST classification for π ??? Is it rational or irrational?

*November 2, 2015 by Hailey*

**Health**

1. The functions of the respiratory system are (choose 2) A. to pump blood to the body** B. to deliver oxygen to the body** C. to remove carbon dioxide from the body D. to absorb nutrients 2. ______ is a substance in tobacco products that causes stained teeth and skin A. ...

*February 19, 2016 by Hanna*

**statistics**

Professor Smith gave a final exam in her history class. The scores on the final exam are normally distributed with a mean of 75 and a standard deviation of 6. If Professor Smith wishes to give A’s to the top 4%, what would be the cutoff score be for A’s? a. 90.0 b. 87.3 c...

*April 14, 2014 by Sally*

**Stats**

Suppose the scores of students on an exam are Normally distributed with a mean of 297 and a standard deviation of 66. Then approximately 99.7% of the exam scores lie between the numbers _____and _______such that the mean is halfway between these two integers.

*October 27, 2014 by Please and Thank you!!!*

**Health**

Body fat is defined as the proportion of fat that is in your body compared to your bone and muscle. True or False My answer is true because to me its the component that refers to the ratio of fat to lean body mass.

*August 18, 2014 by Faye*

**Physics**

A body of mass 10kg moving with velocity 30m/s collide with another body of mass 15kg.If the velocity of both the body are same after collision.Then find their common velocity.

*August 9, 2012 by Aarushi*

**Math ---HELP!!!!!**

sample of nine students is selected from among the students taking a particular exam. The nine students were asked how much time they had spent studying for the exam and the responses (in hours) were as follows: 18, 7, 10, 13, 12, 16, 5, 20, 21 Estimate the mean study time of...

*May 30, 2016 by angela*

**MEDIAN AND MEAN**

The following scores were recorded on a 200 point final exam.193, 185, 163, 186, 192, 135, 158, 174, 188, 172, 168, 183, 195, 165, 183 Find the mean final exam score. A)183 B)185 C)176 I CHOSE A Find the median final exam score. A) 176 B) 183 C) 185 i CHOSE B IS THIS CORRECT?

*November 29, 2009 by Anonymous*

**health**

The nine essentialamino acids are A)NOT FOUND IN FOODS B)NOT MADE BY THE BODY C)ALL PRESENT IN INCOMPLETE PROTEIN D)MADE BY THE BODY not made by the body, so they must come from foods.

*January 5, 2007 by gabrielle*

**Chels**

What can you say about the motion of a body if its veloctiy-time graph is a straight line inclined with the time axis? a. the body moves with uniform velocity b.the body moves with uniform acceleration c. the body moves with non uniform acceleration d. the body moves with ...

*April 29, 2008 by Physics*

**Psychology**

It is common sense to see that the brain has an impact on the body. If the brain issues the command to look to the left, the body generally responds by doing just that. How much can be said of the reverse? Does the body have an impact on the brain?

*March 16, 2009 by Bryan*

**Health**

1. A fungi is a single celled organism that can cause a disease -True? 4. Your skin keeps pathogens from getting out of your body. -False? 16. Hormones are chemical substances made and released in one part of the body that causes a change in another part of the body. -False? ...

*November 26, 2011 by mysterychicken*

**stats 200**

. At a college, 72% of courses have final exams and 46% of courses require research papers. Suppose that 32% of courses have a research paper and a final exam. Let F be the event that a course has a final exam. Let R be the event that a course requires a research paper. a. ...

*September 6, 2015 by edi*

**Physical science**

The combined weight of a crate and dolly is 256N. (a)If the person pulls on the rope with a constant force of 30.1N, what is the acceleration of the system (crate plus dolly)? Assume that the systems starts from rest and that there are no frictional forces opposing the motion ...

*February 17, 2008 by Anonymous*

**Math**

The function D(h)=7e^-0.4(h) can be used to determine the milligrams D of a certain drug in a patient's bloodstream h hours after the drug has been given. How many milligrams will be present after 9 hours. Round three decimal places. so 7e^(-0.4 x 9) = .191 To get this answer...

*November 3, 2010 by Hannah*

**math**

The function D(h)=7e^-0.4(h) can be used to determine the milligrams D of a certain drug in a patient's bloodstream h hours after the drug has been given. How many milligrams will be present after 9 hours. Round three decimal places. so 7e^(-0.4 x 9) = .191 To get this answer ...

*November 4, 2010 by Hannah*

**Statistics in Psychology**

Please Help! For the following, which type of t-test is required? (a) Studying the effects of a memory drug on Alzheimer’s patients, testing a group of patients before and after administration of the drug. (b) Studying whether men and women rate the persuasiveness of an ...

*February 26, 2014 by jamie*

**programming**

Write a program that requests the numeric grades on a midterm and a final exam and then uses a Function procedure to assign a semester grade (A, B, C, D, OR F). The final exam should count twice as much as the midterm exam, the semester average should be rounded up to the ...

*April 16, 2013 by Shirley*

**English**

is the following statement using a regular or irregular verb and why Some athletes have taken drug tests to prove they are not on steroids. 5b. Some athletes have took drug tests to prove they are not on steroids.

*January 27, 2010 by Heather*

**dog behaver ,traing insturst ics penn state **

test for social behavior and commutation

*August 2, 2014 by miriam*

**English**

1. My math exam is tomorrow. 2. Tomorrow is my math exam. 3. Tomorrow I have a math exam. 4. I take a math exam tomorrow. (Are all the same and grammatical?) 5. What did you do over the summer vacation? 6. What did you do during the summer vacation? 7. What did you do on the ...

*August 25, 2009 by John*

**MATH**

At McLeod University, thirty percent of the students are in Engineering. Forty percent of Engineering students study Probabilistic Systems, and sixty percent of the students studying Probabilistic Systems are in Engineering. What percentage of students at McLeod are either in ...

*October 6, 2011 by Sarah*

**sociology**

what can individuals do to foster pliralism in society

*May 16, 2009 by Gwen*

**math**

A researcher was interested in the emotional effects of music on exam performance. Before their exam, a professor took one group of students into a room in which calming music was played. A different group of students were taken to another room in which new wave hard rock was ...

*September 21, 2013 by Rachael*

**Algebra**

16. Going into his final exam, John has a total of 72 points out of 90 possible in his history class. His final exam is worth 10 points. How many points must he get on his final exam to end the class with an 80%? 8? 17. Joan actually likes 30% of her male friends and 20% of ...

*June 19, 2010 by mysterychicken*

**management of Information Systems**

Create a table that list the strengths and challenges of traditional systems development life cycle, prototyping, rapid application development, and end user system development life cycle."

*January 31, 2008 by Shawn*

**body systems**

A 67-year-old man is diagnosed with cancer and subsequently undergoes chemotherapy. As an expected side effect of chemotherapy, his bone marrow stops functioning. What is a potential consequence of this loss of function? A. His calcium levels will decrease. B. He’ll suffer ...

*March 25, 2009 by Annie*

**biology**

why do biologists use a classification system to study the diversity of life

*February 24, 2009 by sami*

**PLEASE HELP 8**

Basing the Results on Probability A. Calculation B. Abstraction C. Classification D. Relation C

*February 19, 2012 by kesha*

**help asap**

Basing the Results on Probability A. Calculation B. Abstraction C. Classification D. Relation a

*February 19, 2012 by kesha*

**algebra **

graph the following linear equations and determine the correct classification: L1:y=-x+5 and L2:y=-2x+1

*January 21, 2013 by juan*

**english composition**

please help me to create division and classification prewriting essay.

*July 6, 2013 by maria*