1. statistics

    An investigator wants to estimate caffeine consumption in high school students. How many students would be required to estimate the proportion of students who consume coffee? Suppose we want the estimate to be within 5% of the true proportion with 95%
  2. 7th grade language arts Ms. Sue please

    1. Trying to spread ideas that help one cause while hurting another is called (1 point) marketing. semantic slanting. propaganda. 2. How would you revise the title of "Take the Junk out of Marketing Food to Kids" to avoid semantic slanting? (1 point)
  3. English

    Can you please check if my rephrasing is correct? Thank you. 1)Coketown was made of red brick (not bricks). It was full of machinery and tall chimneys, from which smoke coiled up like snakes (I rephrased " "out of which interminable serpents of smoke
  4. history

    read "I Have a Dream" speech, King. 1. Which of the following phrases best summarizes King's dream? a. that americans of all religions will be free at last b. that all americans will achieve true equality and freedom c. that african americans will form a
  5. criminal justice

    need help with writing final paper. Pick a country (outside of the United States) and research its correctional system. „h Write a 1,050- to 1,400-word paper in APA format comparing the American correctional system with that of a foreign country. o
  6. world history

    can you please check my answers 3.In China in the 1980s, commune-based agriculture was replaced by the _______ responsibility system. A. household B. community C. cultural
  7. chemistry

    Evaluate the statement. Bromine (Br) is a halogen. Given the information in the statement, what can be inferred as true about bromine? bromine tends to form covalent bonds when in a chemical reaction with metals bromine has seven electrons and seven
  8. Business

    Which of the following is true concerning the preparation of financial statements? a. The cost of goods sold is added to sales b.The cost of goods sold is deducted from sales c. The tax and interest are deducted before income profit is reported d. The
  9. Courts

    Write a 1,100- to 1,400-word paper in APA format comparing the entertainment fiction of the court system with its reality. · Select examples from fictional portrayals of the courtroom found in books, movies, or television; for example, The Runaway Jury, A
  10. UCT

    An electron and a proton are released from rest at a considerable distance from each other and are completely free to move. Which of the following statements is true concerning their motion after being released? A Their accelerations gradually increase. B
  11. geometry

    a tree on a 30degree slope grows straight up .what are the measure of the greatest and smallest angles the tree make with the hill? you discovered that if a pair of angle is a linear pair ,the the angles are supplementary. does that mean that all
  12. MATH HELP

    Which of the following is true of the data set represented by the box plot? box plot with point at 16, min at 33, Q1 at 40, median at 52, Q3 at 55, max at 78, and point at 86 The greatest value in the set is 79. The data is evenly distributed throughout
  13. Chemistry

    The bubble in the tip of the buret is not removed prior to performing the NaOH standardization. Will the reported concentration of the NaOH be greater than, less than, or equal to the true concentration of the NaOH if the bubble is flushed from the buret
  14. Math

    Rhonda has 18 weeks to save $489 for her ticket to Alaska. If she saves $20 per week, which statement is true? A.) Rhonda will have more then enough for her trip B.) Rhonda will have exactly enough money for her trip. C.) Rhonda will not have enough money
  15. Math HELP NEEDED plz......

    from january 3 to january 7, buffalo recorded the following daily high temperatures: 5 degree 7 degree 6 degree 5 degree and 7 degree. which statement about the temperature is true? EXPLAIN. 1 mean=median 2 median= mode 3 mean=mode 4 mean
  16. English

    1:The maximum number of passengers (blank) posted in the front of the bus. is;are.....is*** 2:More than one-half of Sal's profits (blank) spent on camera equipment. was;were....was*** 3:Both "Pied Beauty and "Spring and Fall: To a Young Child" suggest a
  17. PE

    Your life expectancy can be related to the overall well-being of your body, your mind, and your relationships with other people. (true ***) or false Which side of the health triangle corresponds to having loving relationships with other and giving and
  18. English composition

    Hi, I have to write a reflection paper for my human development class. I am working with first graders in an elementary school and our professor wants to know this: Choose one thing about your practicum site that you think should be different. This can be
  19. math

    Under what conditions will the statement sin(angle1 + angle2) = sin (angle1) + sin (angle2) be true?
  20. math

    Which statement is not true? A. Every parallelogram is a rectangle. B. Every square is a rhombus. C. Every square is a parallelogram. D. Every rhombus is a parallelogram.
  21. Physics

    The velocity vector V1 has a magnitude of 4.0 m/s and is directed along the +x-axis. The velocity vector V2 has a magnitude of 3.0 m/s. The sum of the two is V3, so that V3 = V1+V2 A. The x-component of V3 can be 3.0 m/s B. The magnitude of V3 can be 8.0
  22. physics

    The velocity vector V1 has a magnitude of 3.0 m/s and is directed along the +x-axis. The velocity vector V2 has a magnitude of 2.0 m/s. The sum of the two is V3, so that V3 = V1+V2 true for false The magnitude of V3 can be -3.0 m/s The x-component of V3
  23. physics

    The velocity vector V1 has a magnitude of 3.0 m/s and is directed along the +x-axis. The velocity vector V2 has a magnitude of 2.0 m/s. The sum of the two is V3, so that V3 = V1+V2 True False The magnitude of V3 can be -3.0 m/s The x-component of V3 can be
  24. Statistics

    many ground level plants in tropical rainforest have adapted to the shade of the forest canopy. these plants tend to function well as house plants since they require minimal sunlight. A botanist is interested in domesticating a particular plant found in
  25. Chem

    The reaction (nitrogen monoxide reacts with hydrogen gas to form nitrogen gas and water vapor) is believed to take place in three steps, the first of which is the fast reversable dimerization of NO to form N2O2, and the last of which is the reaction N2O +
  26. Chemistry

    The reaction (nitrogen monoxide reacts with hydrogen gas to form nitrogen gas and water vapor) is believed to take place in three steps, the first of which is the fast reversable dimerization of NO to form N2O2, and the last of which is the reaction N2O +
  27. Chemistry

    Consider diamond and graphite. Which of the following is true? (A) Graphite should have a higher melting point than diamond. (B) Differences in composition account for the different properties of gaphite and diamond. (C) Amorphous soilds are likely to have
  28. math

    The grass of a lawn grows slower the larger it gets. The length of the grass L is expressed in cm and the growth of the grass W in mm/day. If the grass is 2.7 cm tall at the end of day X, than it will be taller than 4cm 20 days later (assuming it will not
  29. american gov

    which of the following statements is true with respect to the terms that the president and members of congress serve and the timing of their terms A. the us constitution, as originally ratified, limits presidents to two terms B. elections for house members
  30. Precalculus SOH CAH

    how are the following relations true? S(theta + pi/2) = C(theta) and C(theta + pi/2) = -S(theta)?
  31. stat

    A company’s CEO wanted to estimate the percentage of defective product per shipment. In a sample containing 500 products, he found 30 defective products. (a) Find a 98% confidence interval for the true proportion of defective product. Show your
  32. stats

    You are a travel agent and wish to estimate, with 95% confidence, the proportion of vacationers who plan to travel outside the United States in the next 12 months. Your estimate must be accurate within 3% of the true proportion Find the minimum sample size
  33. Physics

    True/False 1)The lens of the eye has a fixed focal length. False. 2)What must be the minimum height of a plane mirror so that a boy of height 162 cm can view himself from head to toe? 162 cm. The image formed in a plane mirror is the same size as the
  34. math

    In a game of Incan basketball, A points are given for a free throw and B points are given for a field goal, where A and B are positive integers. If A=2 and B=5, then it is not possible for a team to score exactly 1 point. Nor is it possible to score
  35. BIOLOGY

    Fermentation: (Select all that are true) Uses pyruvate to accept electrons Uses pyruvate to donate electrons Regenerates NADH Regenerates NAD+ Directly makes ATP Allows glycolysis to continue in the cytoplasm making ATP Allows oxidative phosphorylation to
  36. math

    In a game of Incan basketball, A points are given for a free throw and B points are given for a field goal, where A and B are positive integers. If A=2 and B=5, then it is not possible for a team to score exactly 1 point. Nor is it possible to score
  37. Anatomy

    I have two question 1.In a dehydration synthesis reaction which of the following occurs a. hydrogen and oxygen are removed from the reactant b. water is added to the reactants c. water is broken down into hydrogen and oxygen d. both a and c I think it
  38. Government

    Which of the following is not true of college professors? A.They are more liberal than population as a whole. B.Those at prestigious schools are more consevative than those at less prestigious schools. C.Those in social sciences are more liberal than those
  39. Math

    Acton choose from two loans offersS: 12,000 at 8% simple interest for 9 months: or a 12,000 9 month discounted loan at 7% discount. Based on the actual interest paid and the true rate on the discounted loan, which of the two loan offers will Acton choose?
  40. biomechanics

    a sailboarder is zipping northeast across the river wit ha velocity of 10 m/s relative to the water the river current is moving the water north at a velocity of 3 m/s downstream. if the angle between the relative velocity of the sailboard and the river
  41. socials

    charter of rights and freedoms (equality) man gets job over women inspite being less qualfied this break right of? (sex?) i think this false that teen not allowed into store based on age is always protected in charter mentally and disable hve right to
  42. Please help biol

    Pick the correct answer to the following question. Write a brief statement explaining why each choice of answers is correct or incorrect. In diabetes mellitus, because of insufficient insulin production, glucose cannot enter cells. instead it accumulates
  43. Biology

    Pick the correct answer to the following question. Write a brief statement explaining why each choice of answers is correct or incorrect. In diabetes mellitus, because of insufficient insulin production, glucose cannot enter cells. instead it accumulates
  44. Physics

    A heavy rifle initially at rest fires a light bullet. Which of the following statements about these objects is true? A. The bullet and rifle both gain the same magnitude of momentum. B. The bullet and rifle are both acted upon by the same average force
  45. Physics

    A heavy rifle initially at rest fires a light bullet. Which of the following statements about these objects is true? A. The bullet and rifle both gain the same magnitude of momentum. B. The bullet and rifle are both acted upon by the same average force
  46. Bio-Chemistry

    Which compound is capable of donating a proton (H+)? A. Acetic acid B. Sodium hydroxide C. Acetylene D. Pentane E. Cyclohexane Which of the following statements is not true of a C-C triple bond? A. Longer bond length than a C=C double bond. B. 180 degree
  47. communication

    Please HELP!! Question 1 of 20 5.0 Points Which of the following would be the LEAST appropriate in the closing paragraph of a negative message? A. "Let us know if model #A01 would be a suitable substitution." B. "Our layaway plan will enable you to
  48. chemistry

    Which of the following is true regarding the solubility of gases in liquids? Question 4 options: Solubility decreases as temperature increases. Solubility increases as temperature increases. Solubility is unaffected by changes in temperature. None of the
  49. history

    Discuss how the rise of capitalism led to the development of communism. I put: • Capitalism was where individuals and business firms would carry out all factors of production and trade. The owners would control the prices of their products. When
  50. science

    multiple select Select all of the items that are true about a sample of water vapor at 101°C as it cools. 1) Its temperature will fall continuously until it condensed into a liquid. 2) Its temperature will fall steadily until reaching 100°C. 3) The
  51. Math

    A jet is flying through wind blowing 55mi/h at a bearing (clockwise from north) of 35°. The jet is flying with a speed of 550 mi/h at a bearing of 65°. Find the resultant of the planes velocity vector and the winds velocity vector. Also find its
  52. Ed Tech. HELP PLZ ASAP

    1.How can you identify the values portrayed in a story? A.by reading old versions B.by reading descriptions C.by focusing on what the character**** thinks,say,and do D.by focusing on the setting of the story 4.Which of the following is true about hidden
  53. Math (please help!!)

    Which of the statements about the picture below is true? Choose 3. postimg(.)org/image/qb71bjkjh/f11870c4/ A. F is the circumcenter of the triangle
  54. MATH

    In the game of Incan basketball, a points are given for a free throw and b points are given for a field goal, where a and b are positive integers. If a = 2 and b = 5, then it is not possible for a team to score exactly 1 point. Nor is it possible to score
  55. MATH

    The median number of goals scored by 8 players in a certain soccer season is 5. The range of the number of goals scored by those players that season is 4. Determine if the following statement is true, is false, or does not contain enough information. At
  56. groundwater science

    Consider water in a well, and a point of measurement at depth below the surface of the water. True or False: if the point of measurement is located at an elevation of 2,000 ft. above mean sea level, and that point of measurement is 40 ft. below the water
  57. chemistry

    What is formed at the anode and cathode when the following solutions are electrolysed? sodium iodide copper II chloride sodium sulphate NaOH HCl magnesium nitrate also is this true: if the metal in the compound is higher in the reactivity series than
  58. Social Studies

    Here is the question .. How did the Enlightenment contribute to the Industrial Revolution? A) People used technology to create greater prosperity for all. B) Reasoning was used to solve human problems. C) Electricity used in the production of material
  59. math (Please help me out)

    An insurance company is reviewing its current policy rates.when originally setting the rates they believed that the average claim amount was 1800.00.they are concerned that the true mean is actually higher than this,because they could potentially lose a
  60. Social Studies check my answers

    1 which of the following is true of a parliamentary system of a government but not of a presidential system? the government is nnot regulated by a constitution the judicial ranch is part of an unelected senate the legislative assembly is determined by a
  61. chemistry

    What is formed at the anode and cathode when the following solutions are electrolysed? sodium iodide copper II chloride sodium sulphate NaOH HCl magnesium nitrate also is this true: if the metal in the compound is higher in the reactivity series than
  62. Business

    I have one more question that is t/f A human resource inventory contains the organizational history of an individual and indicates how that individual might be used in the organization in the future? I think this is true because within the human resource
  63. statistics

    In a sample of 200 people, 154 said they watched educational television. Find the 90% confidence interval of the true proportion of people who watch educational television. If the television company wanted to publicize the proportion of viewers, do you
  64. Statistical Math-

    In a sample of 200 people, 154 said they watched educational television. Find the 90% confidence interval of the true proportion of people who watch educational television. If the television company wanted to publicize the proportion of viewers, do you
  65. Statistics

    In a sample of 200 people, 154 said they watched educational television. Find the 90% confidence interval of the true proportion of people who watch educational television. If the television company wanted to publicize the proportion of viewers, do you
  66. Chemistry

    Thinking about the uses of radioactive isotopes, which statement is true? A. The iodine isotope, I-27, is used to diagnose thyroid disorders. B. Radiation may be detected because it ionizes the atoms it affects. C. It’s clearly understood that
  67. STATISTICS

    In a survey of 1000 registered U.S. voters, 55% respond that they support health care reform. What is the 95% confidence interval for the true percentage of U.S. registered voters who support health care reform? 50%-60% 55%-60% 51%-59% 52%-58% 49%-47%
  68. algebra

    the equation is f(x) = (1/sq. root of 1-x^2) 1. f(x) is never zero. 2. 0 is in the domain of f 3. All negative real numbers are in the domain of f 4. All positive real numbers are in the domain of f 5. 1 is in the domain of f 6. f(x) is never negative 7.
  69. chemistry kinetics

    Statement-I : For an endothermic reaction, the activation energy is less than the change in enthalpy. Statement-II: Activation energy of a reaction, at a given temperature can never be greater than its change in enthalpy are these statements true? give
  70. Geography

    The figurative use of cradle is used to mean "the place or region in which anything is nurtured or sheltered in its earlier stage" – such that the term cradle of civilization means the place where civilization was first nurtured and sheltered. True False
  71. Basic Finance Risk vs Return

    Please check and correct my answers. Investors want ____ returns and ___ risk. Answer: high return, low risk Which statement about the efficient set, minimum-variance set and feasible is incorrect? a) the minimum variance is the set of all portfolios with
  72. Science -Check Answers-

    1. In the following diagram, the green ball changes direction after colliding with the red ball because the red ball has more momentum. True
  73. Science

    1. In the following diagram, the green ball changes direction after colliding with the red ball because the red ball has more momentum. True
  74. Psychology

    Hello, I am in need of help with a psychology question. Here is the information that was provided: Psychologists use field observations, laboratory experiments, and other methods to gather data relevant to their research questions. When sufficient data
  75. Statistics

    From a random sample of 500 registered voters in Los Angeles, 400 indicated that they would vote in favour of a proposed policy in an upcoming election. a) Test at the 10% significance level a politician’s statement that “those who are in favour of
  76. English

    I have read an excerpt to Legendary King Arthur. I'm trying to find the theme. I am debating on either a true hero never dies, or family can not always be trusted. In the story, they say that King Arthur might rise, and they believe that he has set a good
  77. Identifying Fallacies

    Give example of fallacy from newspaper editorial and another one from an opinion magazine. We do not do your homework for you, but here is a great site for explaining fallacies. http://www.nizkor.org/features/fallacies/
  78. American History

    Which of the following statements is true regarding the constuction of the transcontinental railway? a.Most workers for the Union Pacific Railroad were Chinese. b. Most workers on the Central Pacific leg of the railway were Chinese. c. Construction began
  79. statistics

    In one day, a random security check of 65 travelers at JFK international airport would cause 17 of those travelers to be “red-flagged” for further checks. The population standard deviation (nation wide) is 12 “red-flags” per day. Using the JFK
  80. Statistics

    I have 2 statistics problems that I've done and felt completely confident with them until I worked the problem a different way and got a different answer. I was wondering if you could tell me if I have the right answers or not. Thanks so much! A certain
  81. English essay

    I would be very thankful if you could correct my essay for grammar and spelling mistakes, thank you! Japanese music Lately Ifve been quite addicted to Japanese culture. Not that I havenft always been, but itfs getting worse and worse. My most recent
  82. Statisics Question Help Please

    The proportion of students in private schools is around 11%. A random sample of 450 students from a wide geographic area indicated that 55 attended private schools. Estimate the true proportion of students attending private schools with 95% confidence. How
  83. english plz plz help

    Which of the following lines of dialogue best reveals Ram's false heritage to the landlord? a. "You look like a man who could tell me the right place to go." b. "I am an Untouchable from the heart of India." c. "Man is forever studying ways and means until
  84. Social Studies

    In the reading, why did the Dissenters want the Huguenots disenfranchised? a.to give the Dissenters more power b.to gain control of their rich farmland** c.to force them to return to their homeland d.to show their dislike of those with French heritage In
  85. math

    Hello tutors by any chance is there anyone who can assit me with theprevious problems that i posted..dealing with math subject Here is a website explaining how to invert a 3x3 matrix. http://www.everything2.com/index.pl?node_id=1271704 Many steps are
  86. caring for school -age children

    WWHEN PROPERLY EXECUTED,THE BEHAVIOR MANAGEMENT STRATEGY KNOW AS TIME-OUT BECOMES (A)A POSITIVE REINFORCEE (B) MORE EFFECTIVE THAN LOGICAL CONSEQUENCE (C) A CONVERSATION BETWEEN CHILD AND ADULT (D) SUITABLE PUNISHMENT FOR MISBEHAVIOR 2. WHICH OF THE
  87. english

    13. Which statement is true about this sentence: "Few Americans speak fluent French"? A. There is only one adjective in the sentence, and it modifies French. B. The one adjective in the sentence modifies the subject. C. There are adjectives modifying both
  88. math

    would this be true 53 > 18 - 7x greater or equal to 25 subtract 18 35 > -7x greater or equal to 7 divide by 7 5 > -x greater or equal to 1
  89. calc

    Which of the following statements would always be true? I. If f is differentiable at x = c, then f is continuous at x = c. II. If f is continuous at x = c, then f is differentiable at x = c. III. If f is not continuous at x = c, then f is not
  90. mass media

    Thank you if anyone could help me with the previous posts. If you are taking a course in mass media, surely you have a textbook or have been referred to particular websites or reference databases via your school's library. If the above is not true, it
  91. World History

    One more question... Which of the following statements is true regarding the construction of transcontinental railway? A. Most worker on the Central Pacific leg of the railway were Chinese. B. The Sierra Nevadas were the most difficult obstacle of the
  92. Math

    2. Find the product of 2 1/2 and 2/5. a. 2 2/10 b. 2 3/7 c. 2 4/9 d. 2 9/10 3. Which of the following makes the statement true? 1/5^0 = ? a. 1 b. -1 c. -5 d. 0 4. The area of a certian state is 840,000 square miles. What is this area in scientific
  93. S.S.

    1. Which of the following is true of the Hay-Bunau-Varilla Treaty? A. It granted the United States a canal zone in the Isthmus of Panama. B. It laid out the terms for the purchase of Panama from Colombia. C. It was intended to restore friendly relations
  94. philosophy

    Q: According to Sartre, what makes us uniquely free? a. the capacity for freedom instilled in us by nature b. ability to imagine a multitude of future paths and choices c. the existential hum d. essentialism e. democracy I don't think its E. I am leaning
  95. History

    During the Renaissance, humanism placed a great emphasis on learning and self-improvement (1). The Catholic Church helped spearhead humanism and encouraged new ideas regarding self-improvement and worship (2). Access to knowledge through books, due to the
  96. English

    am not wanting for anyone to do my work, I just was a point of view. I have already done this and is completly finished. If this is not believed, you can look at my other english posts. My request is: Write an introduction for an essay in which you are to
  97. English-Friendship Poem

    Here is another poem: the competition-by patricia young At times the competition was fierce between Cheri and me. Had to be equal in all things. Neither could bear that the other could run faster, picker a raspberry bush cleaner, that the other's mind
  98. Algebra PLEASE HELP ASAP MS.SUE PLEASE HELP

    Which statement about the product is true? 5.5 square root of 5 A. The product is rational B.the product is irrational C.the product is neither rational or irrational D.there is not enough information provided to answer the question Which of the following
  99. Physics

    An oil spill on the ocean is sometimes modeled as having a velocity that has two components: a wind induced velocity that is 3% of the true wind velocity and an independent tidal velocity Vtidal. The tidal velocity is 3.0 km/hr due north and V wind = 40
  100. math 4th grade

    If Sally gave a survey with five colors listed and ask each person who takes the survey to pick one color. She assumes that the results if given to 24 persons the results would be 1/2 blue, 1/12 red, 1/8 blue, 1/4 green, and 1/24 orange. What number of