1. statistics

    Out of a group of 100 US residents, how many would you expect to have travelled no more than 386.9 miles in any given year?
  2. probability and statistics

    Out of a group of 100 US residents, how many would you expect to have travelled no more than 386.9 miles in any given year?
  3. ap stats

    Based on historical data, an Oregon university enrolls 17% graduates and 83% undergraduates. Of graduates, 21% are expected to be non-residents and 79% are residents. Of undergraduates, 24% are non-residents and 76% are residents. During the 2008-2009
  4. math

    an ultralight plane had been flying for 40 min when a change of wind direction doubled its ground speed. the entire trip of 160miles took 2h. how far did the plane travel during the first 40 min? Let V be the initial ground speed and 2V be the final ground
  5. math

    merle travelled six hundred twenty-three miles. hannah travelled eight hunderes one miles. hannah travelled how many more miles then merle?
  6. Maths

    A group of students were asked some questions about how they travelled to school. 1/2 of them said they walked. 1/3 of them said they travelled by bus. In the group there were more than 20 students and less than 30. a) How many students were there in the
  7. Math

    Write the ratio as a fraction in lowest terms of the number of residents at Adams to the number of students at Dodge. Adams=115 residents Dodge=295 residents Evans=140 residents Fisher=245 residents Brown=135 residents Carver=200 residents I have no idea
  8. Math

    Three people share a car for a period of one year and the mean number of kilometers travelled by each person is 152 per month. How many kilometers will be travelled in one year? 3 x 152km/month x 12 months/year = 5472 km/year. Is this correct?
  9. Math

    Colin lived in Scotland and was going to take his caravan on holiday to France. On the first day he travelled 472.87 miles to Portsmouth. He got a ferry which travelled 73.92 miles. He then got off the ferry and drove 134.56 miles to the camp site. How far
  10. Math

    We are learning about multiplying and dividing positive and negative numbers. The population has decreased by 300 residents, over the pass 5 years the same number of residents left each year. What was the change in population each year? Please help!!!!
  11. statistics

    The distance travelled in a week by sales staff employed by a nationwide security firm is approximately normally distributed with a mean of 200 miles and standard deviation of 48 miles. a) less than 80 miles, b) more than 250 miles, c) between 100 and 300
  12. math

    . In the annual walkathon, Lee jogs for 5 3/4 miles more than he walks. If he travelled a total of 15 miles, how many miles did he walk?
  13. algebra

    In the annual walkathon, Lee jogs for 5 3/4 miles more than he walks. If he travelled a total of 15 miles, how many miles did he walk?
  14. math

    In the annual walkathon, Lee jogs for 5 3/4 miles more than he walks. If he travelled a total of 15 miles, how many miles did he walk
  15. Math Algebra

    A quick question to check my answer. Trains A & B are travelling in the same direction on parallel tracks. Train A is travelling at 100 miles per hour and train B is travelling at 110 miles per hour. Train A passes a station at 2:10 A.M. If train B passes
  16. Statistics

    Distance travelled in a week by sales staff employed by nationwide security firm is approximately normally distributed with a mean of 200 miles and standard deviation of 48 miles. Estimate the percentage of staff who in a week travel: 1. a)less than 80
  17. statistics

    Distance travelled in a week by sales staff employed by nationwide security firm is approximately normally distributed with a mean of 200 miles and standard deviation of 48 miles. Estimate the percentage of staff who in a week travel: 1. a)less than 80
  18. Math

    A faulty odometer (mile indicator) on a car registers 6 miles for every 5 miles travelled. A t the start of a journey it reads 500 miles and at the end of the journey it read 560 miles. What distance has actually been covered?
  19. Quick math help

    A car rental is $65 per day plus $0.45 per mile travelled. Determine the equation of the line that represents the daily cost by the number of miles traveled. If a total of 450 miles was travelled in one day, how much is the rental company going to receive
  20. math

    the group covered the first 70 miles in 10 hours. then it doubled its paceto travel 280 miles. how long did it takethe group to travel 350 miles? 70 mi/h and 140mi/h 350-70 = 280 280 miles left, 140 miles every 10 hours so 20 hours 20hrs + 10hrs = 30 hrs
  21. math

    Recently a census was taken on space station Gamma. Of the 100 residents interviewed, 75 traced their ancestry to the planet Omicron, 85 traced their ancestry to the planet Omega and 60 residents traced their ancestry to both planets. How many residents
  22. maths

    Two patrol boats M3 and M7 leave port at the same time.M3 heads due west and M7 on a bearing 227 degrees.After 30 minutes M7 has travelled 18 nautical miles and observes M3 in a direction due south.(a)How far is M3 from M7? (b) How far has M3 travelled?
  23. World History

    which is the biggest effect the radio had on the village of Abeokuta, Nigeria? A. It replaced the gramphone B. It became the focus of the mens group and kept them updated onthe news C. It brought the western world closer to residents of the vilage D. It
  24. World History

    Which is the BIGGEST effect the radio had on the village of abeokuta, Nigeria? A. It replaced the gramophone B. It became the focus of the mens group and kept them updated on the news C. It brought the western world closer to the residents of the village
  25. Algebra

    Astronomers measure large distances in light-years. One light-year is the distance that light can travel in one year, or approximately 5.88 × 10*12 miles. Suppose a star is 9.8 × 10^1 light-years from Earth. In scientific notation, approximately how many
  26. Stastics

    Imagine a researcher presented a null hypothesis that in a certain community, the average energy expenditure of residents is at least 2,100 calories per day. He randomly sampled 100 residents in that particular community. He computed a negative test
  27. Calculus

    a car is traveling along a highway shaped like a parabola with its vertex at the origin. the car starts at 100 miles north and 100 miles west. there is a statue at 100 miles east and 50 miles north. at what point will the cars headlights hit the statue?
  28. statistics

    Distance travelled in a week by sales staff employed by nationwide security firm is approximately normally distributed with a mean of miles and standard deviation of 48 miles. Estimate the percentage of staff who in a week travel less than 80 miles
  29. maths

    two boats, A and B, left a port C at the same time on different routes. B travelled on a bearing of 150 degree and A travelled on the north side of B. when A had travelled 8 km and B had travelled 10 km , the distance between the two boats was found to be
  30. Algebra

    A contagious disease is infecting residents of a town of 7,300 residents. The number of residents infected t days after the disease has begun is given by the function f(t)=(7300)/1+500e^-0.5 t How many residents are infected with the disease after 6 days?
  31. algebra

    A contagious disease is infecting residents of a town of 7,300 residents. The number of residents infected t days after the disease has begun is given by the function f(t)= 7300/1+500e-0.5t How many residents are infected with the disease after 6 days?
  32. math-help

    The person in the word problem wants to run a total of 1000 miles in a year and within a 2 month process she ran a total of 231.05 miles, so now they are asking how many more miles she has to run in the year to reach her goal of 1000 miles. So I think I
  33. economics

    Suppose the residents of Vegopia spend all of their income on cauliflower, broccoli, and carrots. In 2006, they buy 100 heads of cauliflower for $2 each, 50 bunches of broccoli for $1.50 each, and 500 carrots for $0.10 each. In 2007, they buy 100 heads of
  34. Economics

    Suppose that the residents of Vegopia spend all of their income on cauliflower, broccoli, and carrots. In 2006 they buy 100 heads of cauliflower for $200, 50 bunches of broccoli for $75, and 500 carrots for $50. In 2007, they buy 75 heads of cauliflower
  35. math

    One of the world's fastest roller coasters is located in a theme park in Valencia, California. Riders go from 0 to 100 miles per hour in 7 seconds. Find the acceleration of the roller coaster during this time interval in miles per second squared. Math -
  36. Maths

    Thato caught 4 snails and placed them all in the same small circle on the ground and organised a race......1st snail travelled 24cm in 4minutes,2nd snail travelled 35 cm in 7minutes,3rd snail travelled 33cm in 5minutes and the 4th snail travelled 39cm in
  37. maths

    Sixty people were asked how many films they had seen in the past year. The results are shown in table 1. Table 1: number of films seen by a group of people during the past year No of film seen(x)0 1 2 3 4 5 6 7 8 N0 of people(f) 23 12 9 6 3 4 2 0 1 What
  38. physic

    If the energy used to heat up a block of 2kg of copper is 115.8 kJ, what is the temperature it was heated to if the starting temperature was 100oC and the specific heat capacity is 386 J/kgK. E=MC(T2-T1) 115800=2*112.85(T2-100) 115800=225.7(T2-100)
  39. math

    The Sandersons are planning to refinance their home. The outstanding principal on their original loan is $100,000 and was to amortized in 240 equal monthly installments at an interest rate of 11%/year compounded monthly. The new loan they expect to secure
  40. physic..plz check if corrected

    If the energy used to heat up a block of 2kg of copper is 115.8 kJ, what is the temperature it was heated to if the starting temperature was 100oC and the specific heat capacity is 386 J/kgK. E=MC(T2-T1) 115800=2*112.85(T2-100) 115800=225.7(T2-100)
  41. MAtH

    marIsSA's cAR gEtS An aVERagE Of 25 mIlEs pER gALlON oF GAs. she PLAns tO DrIVe 175 MILeS TOdAy and 225 Miles TOmOrrow. hOW ManY gAllOnS of gAs sHoUlD SHe ExPeCt To uSe iN All.
  42. Math

    The area of Egypt is about 386,700 square miles. The area of Wyoming is about 97, 818 square miles. How many times larger is Egypt than Wyoming? Do I multiply, divide or add?
  43. mathj

    Baker Company purchases a new delivery truck for $20,000. The truck is expected to have a useful life of 90,000 miles before replacement, and a salvage value of $2,000. In its first year the truck was driven 22,000 miles, and a further 19,000 miles in year
  44. Math

    A company purchases a new delivery truck for $20,000 the truck is expected to have a useful life of 90,000 miles before replacement,and a salvage value of $2,000.In its first year the truck was driven 22,000 miles and a further 19,000 miles in year
  45. statistics

    Is this a descriptive study or an inferential study. I say descriptive...... The table below shows the average income by age group for residents of a small mid-western town in 2001 based on a sample of 200 individuals from each group. Age Group Average
  46. maths

    In Newtopia, inflation runs at 15%. A home entertainment unit currently sells for $2000. A)How much would you expect it to cost in a year`s time? B)How much would you expect it to cost in two year`s time?
  47. SS

    What was the approximate distance from San Lorenzo to La Venta? A. 150 miles B. 100 miles C. 75 miles D. 25 miles I think it's C. It's not B.
  48. Managerial Economics

    You are considering setting up a software development business. To set up the enterprise you will need to buy equipment costing $100,000. This equipment will be depreciated straight line over 5 years to a zero salvage value. Its market value at the end of
  49. math

    The distance that light travels in 1 year (a light year) is 5.88 times 10 Superscript 12 miles. If a star is 4.6 times 10 Superscript 7 light years from Earth, what is this distance in miles? Enter your answer in scientific notation. Round the coefficient
  50. algebra

    A light-year is the distance that light travels in one year. Find the number of miles in a light-year if light travels 1.86 × 105 miles/second. (Round to one decimal place, and assume that there are 365 days in a year.)
  51. math

    This year's school trip is 9 times as many miles away from school as last year's trip. This year's trip is 27 miles away from school. How many miles from school was last year's trip. Write an equation and a comparison sentence to solve.
  52. algebra

    In 2000, 49% of the residents in a large city regularly used newspapers for getting news and this has decreased at an average rate of approximately 1.3% per year since then. Find a linear function in slope-intercept form that models this description. The
  53. Finance

    Your client is 40 years old and she wants to begin saving for retirement, with the first payment to come one year from now. She can save 5000 per year; and you advise her to invest it in the stock market, Which you expect to provide and average 9% in the
  54. statistics

    It is known that the population mean for the Full Scale IQ of the WAIS is 100 with a standard deviation of 15. A researcher assesses a sample of 200 adults and find that they have a mean Full Scale IQ of 102. The point estimate of the mean for this group
  55. Math

    1.)Suppose you interview 10 randomly selected workers and ask how many miles they commute to work. You'll compute the sample mean commute distance. Now imagine repeating the survey many, many times, each time recording a different sample mean commute
  56. Math Help

    1.Liam wants to buy a bicycle that costs $290.00. His parents say Liam must raise 40% of the money himself. How much money must Liam raise? A. $112.00 B. $40.00 C. $116.00*** D. $87.00 2.Solve the proportion using cross products 29 miles/58 hours=10 miles/
  57. maths

    number of films seen by a group of people during the past year No of films seen 0 1 2 3 4 5 6 7 8 No of people 23 12 9 6 3 4 2 0 1 What percentage of people had seen more than 4 films during the year? would it be 10/60 = 0.1666 x 100 = 16.6% is this
  58. business

    Assume that at the beginning of 2000 Speedy Delivery a Fed Ex competitor purchased a 737 aircraft at a cost of 60,000,000 Speedy Delivery expects the plane to remain useful for 5 years (5 million miles) and to have a residual value of 5,000,000 Speedy
  59. math

    13. If two planes leave the same airport at 1:00 PM, how many miles apart will they be at 3:00 PM if one travels directly north at 150 mph and the other travels directly west at 200 mph? A. 50 miles B. 100 miles C. 500 miles D. 700 miles E. 1,000 miles
  60. Accounting

    Assume that at the beginning of 2000, Quick Travel, a FedEx competitor purchased a used Boeing 737 aircraft at a cost of 60,000,000. Quick Travel expects the plane to remain useful for 5 years (5 million miles) and to have a residual value of 5,000,000.
  61. maths

    A class of thirty students in a school has 18 boys. How many boys would you expect there to be in the year group of 130 students?
  62. math

    1. The class social committee, consisting of 6 people, is planning a party. The committee wants to have a cake for the group. If each cake provides 24 servings, how many cakes should the committee order to serve a class of 70 and staff of 3? 2. Young adult
  63. math

    This is a question on a study guide for a test tomorrow. How do you do it? Please help According to the Federal Highway Administration, teenage males drive an average of 10,718 miles each year. Assume the mileage totals are normally distributed with a
  64. Math

    This is a question on a study guide for a test tomorrow. How do you do it? Please help According to the Federal Highway Administration, teenage males drive an average of 10,718 miles each year. Assume the mileage totals are normally distributed with a
  65. Pre-Calulus

    for a person who drives his car 15000 miles a year trading in a car that gets 15 miles per gallon for a car that gets 18 miles per gallon (a 20% increase) will save them how many gallons of gas each year?
  66. Math

    Cari Bean was on her way to the islands in her yachet. Because of the waves and the currents, she was making irregular progess. The first day she traveled 100 miles. The second day she traversed 120 miles, and the third day only 90 miles. On the fourth day
  67. Quantitative Methods II

    The monthly income of residents of Daisy City is normally distributed with a mean of $3000 and a standard deviation of $500. a. What is the random variable? b. The mayor of Daisy City makes $2250 a month. What percentage of Daisy City's residents has
  68. Math--Statistics

    I have a couple of questions that need review--I've answered them, but I'm not sure if I'm correct. 1.)Suppose you interview 10 randomly selected workers and ask how many miles they commute to work. You'll compute the sample mean commute distance. Now
  69. corporate finance

    Suppose that you are now in your final semester of your MBA programme and you are faced with the choice of either getting a job when you graduate or continuing your study for a doctoral degree. Of course, your choice is not purely financial. However, to
  70. Quantitative Methods

    The monthly income of residents of Daisy City is normally distributed with a mean of $3000 and a standard deviation of $500. a. What is the random variable? b. The mayor of Daisy City makes $2250 a month. What percentage of Daisy City's residents has
  71. math

    whrit for multiplication/division facts using the numbers 3, 8, and 24. 5.what are the seven months of the year that have 31 days? 6. find the eughth multiple of six. then add one. what is the square root of the answer? 8. in the 2004 presidentail
  72. math

    the normal work load of the members of an operation, maintenance and repair group is forty hours per week. it employs 75 persons. and each is scheduled for two weeks vacation per year. what is the total amount of time worked by this group in a year?
  73. math

    Brandon and Jacob buy used cars at the same time. Brandon buys a car with 10,000 miles on it. He drives an average of 100 miles a week. The equation that follows can be used to determine how many miles, m, will be on the car after any number of weeks of
  74. Maths

    A man travelled 5/3km by car, 8/6km travelled by bus remaining distance travelled by walk what is the part of walk on total distance?
  75. Healthcare

    As the administrator of a local nursing home, you have just received notification that the organization is being purchased by a national group. Because of new policies to be implemented, many of the residents will be displaced. To make the situation more
  76. math homework

    two boats A and B left a port C at the same time on different routes. B travelled on a bearing of 150 and A travelled on the north side of B. When A had travelled 8km and the two boats was found to be 12km. Calculate the bearing of A route from C. Show
  77. FINAN & QUANTITATIVE LITERACY

    You currently drive 288 miles per week in a car that gets 24 miles per gallon of gas. You are considering buying a new fuel-efficient car for $15,000 (after trade-in on your current car) that gets 48 miles per gallon. Insurance premiums for the new and old
  78. concept development

    Choose the best example of a specific task assessment. A. Give a child two groups of marbles: a group of five and a group of eight. Then ask the child which group has more marbles. B. Ask a five-year-old child to clean the play area in 10 minutes. C. Ask a
  79. psychology

    A typical act of servant leader should be to: a) work for salary no higher than that of group members. b) expect group members to act like personal servants c) k group members what they want to achieve d)volunteer to do custodial work for the department Is
  80. psychology

    A typical act of servant leader should be to: a) work for salary no higher than that of group members. b) expect group members to act like personal servants c) k group members what they want to achieve d)volunteer to do custodial work for the department Is
  81. math 3

    the distance between los,angeles,ca and boston .ma is about 3,020 miles. twice a year,Li makes a roundtrip from LA to Boston. how many total miles does Li travel each year for these trips? please solve.
  82. Math

    A car rental company charges $100 for the first 50 miles and $10 for every additional 10 miles. If Gregg traveled 150 miles, how much would he pay?
  83. macro economics

    Suppose that the residents of Veggieland spend all of their income on cauliflower, broccoli, and carrots. In 1998 they buy 100 heads of cauliflower for $200,50 bunches of broccoli for $75, and 500 carrots for $50. In 1999 they buy 75 heads of cauliflower
  84. Economics

    A nations capital goods wear out over time, so a portion of it's capital goods become unusable every year. Last year, its residents decided to produce no capital goods, It has experienced no growth in its population or in the amounts of other productive
  85. eco

    during2004 the national average gas price rose from $1.50 a gallon to $2.25 a gallon. the government has stated that the high price of gas will remain as it is. discuss how this cost influences your decision to buy a new car. based on your budget, would
  86. MATHS

    Please help! Pedro and Alice raced two model trains along two straight tracks. Pedro's train travelled 7.5 cm every minute. Alice's train travelled 7.5 cm every second. How many centimeters had Alice's train travelled when Pedro's train had travelled 2.75
  87. childcare

    Two-year-old Gerald is starting at your day care center tomorrow. His mother is going back to work for the first time since Gerald was born. You have four groups at the center. In which group should you place Gerald? A. A group of six toddlers B. A group
  88. finance

    Suppose that you are 25 years old and you have two options to save money for retirement. Plan A allows you to save $3000 per year for the next 20 years, then sit for 20 years and finally draw on it for the following 30 years. Plan B allows you to wait 20
  89. Managerial ECON

    A researcher estimated the Ep for autos in the U.S. is –1.2, while the Ei is 3.0. Next year, U.S. automakers intend to increase the average price of autos by 5%, and they expect consumers’ disposable income to rise by 3%. A) If sales of domestically
  90. Chemistry

    Which of the following does form a Group II cation? lead iron cobalt nickel How do you figure this one out? You must know what is in group II. Fe, Co, and Ni are in group III. Pb is in both group I and group II. Pb ppts as the chloride in group I and as
  91. algebra

    A welfare association collected Rs.202500/- as a donation from the residents. If each paid as many Rupees as there were resident. find the number of residents?
  92. Chemistry

    Why would you expect lithium and sulfur to have different chemical and physical properties? Li is in group IA(or 1 depending upon the system you are using) and has 1 electron in its outer shell. S is in group VIA (group 6) and has six electrons in its
  93. math

    David is planning to travel alone by motorcycle from Singapore to China. The total distance to be travelled is 4900 km. In the first week, he can travel 1000 km. a) How many weeks does it take for David to reach his destination, if he reduces the distance
  94. Statistics

    A telephone company's goal is to have no more than 4 monthly line failures on any 100 miles of line. The company currently experiences an average of 5 monthly line failures per 50 miles of line. Let x denote the number of monthly line failures per 100
  95. Statistics

    A simple random sample of 50 female 14-year-olds is selected. The sample mean height of the girls is found to be 62 inches. Assume the height of 14-year-old girls is normally distributed with a standard deviation of 5 inches. 1. Based on these data, a 95%
  96. Math

    Ana bought a van that holds 12.5 gallons of gas and gets an average of 15.5 miles per gallon. How many miles can she expect to go on a full tank of gas?
  97. Math

    Stephanie runs 5 days a week. Her distances for 5 days are 2.8 miles, 3.3 miles, 3.9 miles, 4.3 miles, and 4.9 miles. Which is the best estimate for the number of miles she ran? A) 19 miles B) 21 miles C) 23 miles D) 25 miles
  98. math

    A bicycle trip starts at 2:00 p.m. and ends at 5:45 p.m. If the cyclist travelled 86.3 miles, what was his/her average velocity?
  99. Maths

    Two boats A and B left a port C at the same time on different route .B travelled on a bearing of 150 degree and A travelled 8km and B had travelled 10km ,the distance between the Two boats was found to be 12km .calculate the bearing of A's route from C.