Help please I really don't understand this! 1)Janine wishes to conduct a poll to predict how many students will vote for her for class president. Which polling methods are likely to be biased? Choose all answers that are correct. A.
35,258 results
Math
M is the set of integers that are greater than 1 and less than 4 I don't understand?? i know it's easy but i don't understand how to solve it

Chemistry
Predict how the entropy of the substance is affected in the following processes: a) O2 (g,200 kPa, 300k) > O2 (g, 100, 300k) b)Br2 (l, 1 bar, 25 degree C) > Br2 (g, 1 bar, 25 degree C) C)Fe (s, 1 bar, 250 degree C)> Fe(s, 1 bar, 25 degree C) will

Statistics
At one university, the students are given zscores at the end of each semester instead of traditional GPA's. The mean and standard deviation of all the student' culmulative GPA's, on which the zscores are based, are 2.7 and .5 respectively. i understand

Chemistry
Which of the following transition metal ions has a color? Cr3+ , hg2+, v2+ How can you predict that? I don't understand!!

statistics
I don't understand how to answer this: relate the three measures of central tendency to a normal distribution I looked it up online and it said that the mean, median, and mode are all the same but i don't understand how that can be

Physics
An asteroid revolves around the Sun with a mean orbital radius twice that of Earth's. Predict the period of the asteroid in Earth years. (6.38*10^6 radius) I don't understand how to solve this problem.

Calculus
A man can swim 2km/h in still water. Find at what angle to the bank he must head if he wishes to swim directly across a river flowing at a speed of 1km/h. I don't understand how to find that.

math
explain the error Janine tells her friend that ordered pairs have an x coordinate of 0 lie on the x axis. She uses the origin as an example. Describe Janine's error. Use a counterexample to explain why Janine statement is false.

GENERAL CHEMISTRY
CALCULATE THE pH AND HYDROLYSIS IN 0.10 M AlCl3 SOLUTION.Ka = 1.2 X 105 FOR [Al(OH2)6]+3,OFTEN ABBREVIATED Al+3.TELL WHETHER pH IS ACID OR BASE.GIVE IONIC EQUATION. Help us a little by telling us how much you know to do and exactly what you don't

Government
The validity of public opinions polls may be affected by several factors,including A.poll overrepresentation of the views of a political elite. B.the fact that public opinion tends to be relatively stable over time. C.the wording of questions on a poll.

Chemistry
Predict the products of electrolysis in an aqueous solution of FeCl2. Please help. I don't understand how the answer is OH, O2, H+, H2.

principle of management
____ means that managers don't have enough information about the surroundings needed to understand or predict the future. A. Environmental uncertainty B. Competitive intelligence C. Minimization D. Disinformation IS the C right answer please help.

Physics
A poll is 10m and weight 600 newton at it's centre of gravity four metre from end (A) and lies on horizontal plane. 1. Draw a diagram acting on the poll when the end (B) is lifted by vertical form

MATH##$$&&^^**
A researcher wishes to estimate the proportion of college students who cheat on exams. A poll of 490 college students showed that 33% of them had, or intended to, cheat on examinations. Find the margin of error for the 95% confidence interval.

math
explain the error Janine tells her friend that ordered pairs have an x coordinate of 0 lie on the x axis. She uses the origin as an example. Describe Janine's error. Use a counterexample to explain why Janine statement is false.

government
Which of the following has been a criticism of the role of polling in American politics? A. Important milestones in U.S. history would never have happened if politicians had relied on poll data.***? B. Polling is a very expensive process that requires tax

u.s history
How did Montcalm's failure to consult with his Indian allies or to understand their expectations at the battle of Fort William Henry affect the future conduct of the war? ( I'm failing in my history class so can you please help me to understand. You guys

Psychology
How have you used the scientific process (unsystematic observation, building theories, and evaluating propositions) in your life to better understand your personality? Provide an example in your response. What does this question mean? I don't understand

Language Arts
In the third wish the king of the forest claims that he has yet to hear of the human being who made any good use of his three wishes in a paragraph consider whether mr peters proves the king wrong do mr peters wishes bring him happiness does he put his

Chemistry
What is wrong with or ambiguous about the phrase "four molecules of NaCl" I really don't understand my textbook says in the back that it is an ionic compound so I guess that its not really a molecule then I don't understand...

Algebra
1) For which of the following functions is f(5) = 2 ? a)f(x) = x +7 b) f(x) = 2x6 c) f(x) = 3x+5 d) none of these 2) Which of the following is a function? a)(4,1), (1,8), (4,2) b)(4,1), (1,8), (2,2) c)(4,1),(1,8), (1,2) d) none of these 3) what is

Math
If a graph of a quadratic function can have 0, 1 or 2 xintercepts. How can you predict the number of xintercepts without drawing the graph or (completely) solving the related equation? Suppose that the graph of f(x) = ax^2+bx+c has xintercepts (m,0) and

PhysicsCheck my answers
when combing you hair you scuff electrons from your hair onto the comb.is your hair then positively or negativley charged?How about the comb? Your hair is postively charged, while the comb is negatively charged Why are the tires for trucks carrying

Math
A Voting Poll: Candidate A: 30% Candidate B: 50% Undecided: 20% The Table above summarizes the results of an election poll in which 4000 voters participated. In the actual election, all 4000 of these people voted and those people who chose a candidate in

statisticsPLEASE HELP quick
I understand most of the formulas however Im not sure what the answers tell me. I did a frequency distribution table for all points scored by a football team over 4 years, but I don't understand what my answers mean and I don't want to look stupid in front

Physics
A boy wishes to row across a river in the shortest possible time. He can row at 2m/s in still water and the river is flowing at 1m/s. At what angle should he point th efront of his boat? The answer is 90 degrees but I don't understand how to solve the

history
I don't understand this question: the removal of general mcclellan represents a loss of the army and the potomac and a victory for the interfering politicans in washington (validate) i know that mcclellan was replaced by grant because he was to hesitant to

Government
1) The portion of the population selected to participate in a poll is known as the a. public b. population c. deliberative group d. sample e. focus group 2) A sample that does not overrepresent any portion of the population and whose responses can

statistics
A researcher wishes to estimate the proportion of college students who cheat on exams. A poll of 490 college students showed that 33% of them had, or intended to, cheat on examinations. Find the margin of error for the 95% confidence interval. solution I

Math
Explain the Error Janine tells her friend that ordered pairs that have an xcordinate of 0 lie on the xaxis.She uses the origin as an example.Describe Janine's error.Use a counter example to explain why Janine's statement is false.

Math
If there are 16 people at a party and one of the group decided to conduct a poll of who the president of the united states was, explain whether you would expect the answer to be accurate and why?

Algebra 2
In 1950 the life expectancy of women was 72 years. In 1970 it was 75 years. E represents the life expectancy and T the number of years since 1950 (t=0 gives 1950 and t=10 gives 1960). a. fit a linear equation to predict life expectancy (0,72) AND (20,75)

chemistry
predict the solubility of 2propanol in dichloromethane and in water. Can someone explain how they came to their conclusion because I just don't understand how to determine solubility.

history
I don't understand this question: the removal of general mcclellan represents a loss of the army and the potomac and a victory for the interfering politicans in washington (validate) i know that mcclellan was replaced by grant because he was to hesitant to

statistics
A candidate for a political office claims that he will win the election. A poll is conducted, and 35 of 150 voters indicate that they will vote for the candidate, 100 voters indicate that they will vote for his opponent, and 15 voters are undecided. a.

government
Why did the first opinion poll on a presidential election—in Literary Digest in 1936—fail to predict the outcome? A. The sample was too small. B. The sample was not random.*** C. The sampling relied on landlines. D. The sampling was too early in the

social problems
Dr.Rivera and Dr. Harris want to conduct research to determine whether training prisoners in computer skills during incarceration will reduce recidivism.The researchers plan to compare a group of prisoners who received the training with a group that did

statistics
A manager wishes to determine the relationship between the number of miles (in hundreds of miles) the manager's sales representatives travel per month and the amount of sales (in thousands of dollars) per month. Find the equation of the regression line for

ap history
what was john walthall alleged offense?how might one account for the ferocity of the assault on carter's family walthall? I believe he sleeps with white women but i don't know what he stole. I don't understand the second question. please help me coz i need

literature
In “The Third Wish,” the King of the Forest claims that he "has yet to hear of the human being who made any good use of his three wishes." In a paragraph, consider whether Mr. Peters proves the King wrong. Do Mr. Peters’ wishes bring him happiness?

organic chemistry
Instead of using 1propanol or 2pentanol, a student decided to conduct the same reaction you did starting with 2,4dimethyl3pentanol. What product(s) would you predict for this reaction? Show a mechanism to account for any products you propose. How do I

math{HELP HELP}
i don't understand these mmath equations. 1) 6y = 24 2)y / 7 = 2 y=_________ On number one i know that if there is a letter next to a number it means multiplication.and i still don't know how to solve it. On number two i don't understand anything at all:(

Geometry
Janine wants to paint just the sides of a cylindrical pottery vase that has a height of 45 cm and a diameter of16. Janine wants to paint just the sides of a cylindrical pottery vase that has a height of 45 cm and a diameter of 14 cm. To the nearest whole

Samples and Predictions Math
Help please I really don't understand this! 1)Janine wishes to conduct a poll to predict how many students will vote for her for class president. Which polling methods are likely to be biased? Choose all answers that are correct. A. Five people in each of

Algebra
Tricia and janine are roommates and leave Houston on Interstate 10 at the same time to visit their families for a long weekend. Tricia travels west and Janine travels east. If Tricia's average speed is 12 mph faster than Janine's, find the speed of each if

Math Statistics
A poll wishes to determine how many Americans agree with the policies of the current president. Pollsters contact 5,000 voters and ask the question: "Do you approve of the president's policies?" The poll produces 1,789 yes answers and 3,211 no answers. 1)

Math(Algebra)
Janine has started an exercise program. As part of her exercise program, she will walk along trails. Janine walks at an average speed of 1 mile in 15 minutes. What is Janine’s average speed in miles per hour? Show or explain how you got your answer.

chemistry
I have the 1st part of the answer to my question I guess what I don't understand is the 2nd part of the question. I am supposed to 1. predict how ke increases in temperature, 2. predict how equilibrium will shift when pressure is decreased and 3. predict

algebra
Janine and Laura both took a standardized math test. The test scores were normally distributed with a mean of 75 and a standard deviation of 11. Janine earned a score of 76, whereas Laura earned a score of 89. About what percentage of people had a score

government
one advantage of direct contact between elected offials and the public verus the use of public opinion poll is that direct contact a. is always more accurate than a poll b. makes it less likely that certain public concerns will be overlooked. c requires

Political
A poll conducted with a sample that is not randomly drawn and not always statistically significant in size. These polls are often done online and can involve respondents who are self selected. this above info fit for tracking poll or Benchmark poll.

English
As a reporter or writer, which of the following opinion polls should I trust? a. a poll with a sample drawn from people who volunteer for online polls. b. a poll where votes cast via a website, text message or 900 number. c. a poll conducted only in urban

chemistry
What are the certain conditions when ionic compounds conduct an electric current? Why are ionic compounds not always used as conductors? Ionic compounds conduct an electric current when the ions are free to move about. This usally means they are in

Arithmetic
Janine is having seven friends over for breaksfast. Of the eight people who will be eating breakfast, six like orange juice best, and two prefer grapefruit juice. Both kinds of juice cost $2.89 for half gallon, $2.09 for a quart(1/4 of a gallon), and $1.29

statistics
A political candidate has asked you to conduct a poll to determine what percentage of people support her. If the candidate only wants a 4% margin of error at a 99% confidence level, what size of sample is needed?

math
A political candidate has asked you to conduct a poll to determine what percentage of people support her. If the candidate only wants a 8% margin of error at a 95% confidence level, what size of sample is needed?

about Engineering
Electronic and Communication Engineering is mainly Mathematical analysis, implemented in practical circuits. You have to understand higher forms of math, and think in those terms. You have to understand the imperfect models used for systems analysis. You

algebra
On Christmas Day 2009, there was a bomb scare aboard a Detroitbound plane. Soon afterwards, a poll indicated that 42% of Americans were worried that they or a close friend or family member would become a victim of terrorism. The poll had a 5% margin of

Statistics
r^2 the corelation squared measures how well the y hat is than just using y bar or the other way around... I don't remeber what r^2 measures I have what it means on my calculator but I still don't understand it My teacher told me it's basically somehting

MATH
You are interested in finding out if a student’s ACTscore is a good predictor of their final college grade point average(GPA). You have obtained the following data and are going to conduct a regression analysis. Follow instructions on page 324 of your

math
Marcus wants to predict the next student council president. He polls every fourth person from each grade level as they exit the cafeteria. In his poll, 65% chose Sophia. What type of sample was taken? Can his result be extended to the rest of the school?

Chem Urgency
Can you explain what the pseudogas configuration is? I have the definition but I still don't understand. I have the example.. Sn([Kr] 5s24d105p2) Sn4+ ([Kr]4d10)+4e I understand the first part but I don't understand the second.

Geology
I need help with a radiometric dating equation. I am trying to determine the age of a sample that has a 40AR/40K ratio of 4.5. I understand the equation of D=Do+N(e^.693t1). I understand I would set Do to zero. But what is D? I went to geology tutoring

chemistry
so I don't expect you to answer all of these I just don't understand how they work so if someone could just explain one or two so I can do the rest that would be helpful! Thanks! Use the activity series to predict whether the following reaction will occur.

American Government
"Universe" is a term used to describe a. a politician's constituency b. the entire group of persons in a given poll. c. the entire group of persons whose opinions a poll seeks to measure d. the group that supports the activities of an interest group A

Math
Debbie has a box containing y ribbons and 4 extra ribbons. Janine has 12 ribbons. Express the number of ribbons that Sarah has in terms of y. For what value of y will Debbie and Janine have the same number of ribbons

Math
I need someone to check my homework answers. I don't really know this stuff but i'm trying to do better in math this year. I didn't understand how to do some either. 1. √12 I got 2√3 2. √9a^3 I got 3a 3. √8 * √2 I got 4 4.3√50 I got 15√2 5.

Statistics
In a poll of 1,000 adults, 57% believed that there was too much inappropriate content on TV. A 95% confidence interval for the proportion is given as 0.54 to 0.60. What is the margin of error of this poll? A. 0.54 B. 0.015 C 0.03 D. 0.57

math
A researcher wishes to estimate the proportion of college students who cheat on exams. A poll of 490 college students showed that 33% of them had, or intended to, cheat on examinations. Find the margin of error for the 95% confidence interval.

math
A researcher wishes to estimate the proportion of college students who cheat on exams. A poll of 400 college students showed that 33% of them had or intended to, cheat on examinations. Find the margin of error for the 95% confidence interval.

math
A researcher wishes to estimate the proportion of college students who cheat on exams. A poll of 490 college students showed that 33% of them had, or intended to, cheat on examinations. Find the margin of error for the 95% confidence interval.

Statistics
A sociologist is testing the null hypothesis that the percentage of school superintendents who earn an annual salary of more than $150,000 is greater than or equal to 50%. The sociologist conducts a poll of 1100 randomly selected superintendents and finds

Algebra
According to a poll conducted in a company, 47% of the employees regularly use the internet while at work. You conduct a similar survey at your mother's office where there are 250 respondents. What is the probability you find between 102 and 117.5

PreCal
Janine, a science student, measured the volume of carbon dioxide gas that can be absorbed by one cubic centimeter of charcoal at pressure x. She made the following four sets of measurements: (120, 3.1) (340, 5.5) (534, 7.1) (698, 8.3) Janine finds that the

Statistics
A researcher wishes to estimate the proportion of college students who cheat on exams. A poll of 410 college students showed that 15% of them had, or intended to, cheat on examinations. Find the 95% confidence interval for the population

Tutor
Hi, I am a student a Michigan's connections academy and I need a tutor to help me out with some types of math, science, social studies. And a few others some stuff I don't understand and all of my teachers don't explain very good except for my math

calculus
f'(x) < 0 if x < 1 And apparently this means f is decreasing on (1, 1). I don't understand this. I know f'(x) < 0 means the function is decreasing. But I don't understand the absolute value. It means I can put 1 or 1 inside, but wouldn't it still be 1

Language arts
In the third wish the king of the forest claims that he has yet to hear of the human being who made any good use of his three wishes in a paragraph consider whether mr peters proves the king wrong do mr peters wishes bring him happiness does he put his

statistics
Washington University banned smoking on the Hilltop campus starting in 2010. The student paper decides to do an opinion poll to see if current campus students/faculty/staff support the ban. Reporters are about to start asking a sample of 250 Hilltop people

Physics Word Problems
Could you please explain to me these problems, I don't understand them. Do 100 J of work in 50 s and your power output is?  I got 2, but not sure of the units. A bow is drawn so that it has 40 J of potential energy. When fired, the arrow will ideally have

Bio.
I don;t understand what a taxon is :S I looked at the wikipedia definition and I don;t understand it at all. Could someone please explain it to me a simple terms. Thanks.

math
ok so I asked a question like this before and I understood how to do it and a cuple more like it but now I don't understand how to do this on ..... I keep on trying to find the answer but I just don't understand what I am supposed to do 5(2w+1)=25

English
Posted by rfvv on Monday, October 13, 2014 at 8:31pm. 1. Mattie made three wishes on the Internet. 2. Mattie wrote three wishes on the Internet. 3. Mattie uploaded three wishes on the Internet. 4. Mattie posted three wishes on the Internet.

math
Try as I might, I just don't understand the difference between inductive and deductive reasoning. I have tried reading about it and they keep talking about general and specific things but I just don't get it. Is there an easy, lay way to explain it so I

To Troyer 0269
I deleted your last science post, as I promised I would a couple of weeks ago. You posted five questions that I'm sure you could answer by reading your text. As you know, we don't give answers, but help students with problems they don't understand. If you

Language Arts
In “The Third Wish,” the King of the Forest claims that he "has yet to hear of the human being who made any good use of his three wishes." In a paragraph, consider whether Mr. Peters proves the King wrong. Do Mr. Peters’ wishes bring him happiness?

math
How many two digit numbers are there in base 5. I really don't understand how to figure this out. I know it's been asked already, but I still don't understand it.

history
I would love if someone helped me bc I don't understand this?? at all?? Compare and Contrast (the U.S Constitution and Copy of Wedding Vows (“Wedding Contract”)): Give some thoughts to the two “social contracts” below. Provide at least two (2)

math
what makes the use of variables diffcult to understand? what makes them difficult to understand is : Depending on which variables are used somehow they have to predict just how they vary, and what factors influence the variation this is what i got helped

chemistry
Acids that form ionic solutions will conduct electricity. Acids that form covalent solutions will not conduct electricity. but acids have HYDROGEN in them and hydrogen is a gas is that why the results of the conduction test need to be changed because

Statistics
A poll of 92 students found that 48% were in favor of raising tution to pave new parking lots. The standard deviation of this poll is 3%. What would be the standard deviation if the sample size were increased from 92 to 195?

algebra 2
simplify 27^((2)/(3)) I know the answer is 1/9 but I don't understand how to solve it. I looked it up but I still don't understand. HELp!!

Science
I have to write about water convection, and whenever i look it up, it's using terms that i don't understand. So i don't understand what it is asking, could somebody please help me?

organic chemistry
Instead of using 1propanol or 2pentanol, a student decided to conduct the same reaction (using Sodium Bromide and Sulfuric Acid) you did starting with 2,4dimethyl3pentanol instead. What product(s) would you predict for this reaction? Show a mechanism

HCA 230 COmmunicaiton in Health Care
I am not looking for someone to do this, I am just trying to figure out how am I suppose to do an introduction and conclusion in a PowerPoint for this. I understand everything else in the directions, but it's my final project and I want to make sure I have

English
Think About the work you completed in your reading role. Determine the ideas that would be most worthy to share in a literary discussion about Johnny Tremain. Provide an explanation for your choices. How did the role you select and the work you completed

statistics
Please Help! My book and instructor are no help. Please help me understand why I need to make a scatter diagram, when dealing with bivariate data, and how to find SS(x), SS(y), SS(xy), and r. I have all the formulas, but don't understand. Thanks! I don't

MATH
how many milligrams are there in a kilogram I give up alejandra. I showed you how to count your way to the answer and you keep posting. We don't give answers but we try to help you understand so you don't need us. Please go back and count your way from

Math
a poll found that a particular group of people read and average or 18.3 books per year. The pollsters are 99% confident that the result from this poll is off by fewer than 3.79 books from the actual average x. express this situation as an inequality

Algebra
Solve graphically. xy=0 y=x² The reason I don't understand the question is the second equation with the x². How do I graph that? I'm not sure if I ever graphed with an exponent, and if I did, it was a long time ago. I'm reposting this because I didn't