The probability that a person stopping at petrol pump will get his tyres checked is 0.12, the probability that he will get his oil checked is 0.29 and the probability that he will get both checked is 0.07. A) what

23,706 results
  1. math

    A Drunk Person at the Theater There are š‘› people in line, indexed by š‘–=1,ā€¦,š‘›, to enter a theater with š‘› seats one by one. However, the first person (š‘–=1) in the line is drunk. This person has lost her ticket and decides to take a random

  2. Statistics

    A sign on the gas pump of a certain chain of gasoline stations encourages customers to have their oil checked, claiming that one out of every four cars should have its oil topped up. What is the probability that exactly 3 of the next 10 cars entering a

  3. statistics

    A service station has a pump that distributes diesel fuel to automobiles. The station owner estimates that only about 3.2 cars use the diesel pump every 2 hours. Assume the arrivals of diesel pump users are Poisson distributed. a. What is the probability

  4. math

    If a car is speeding down a road at 40 (mph), how long is the stopping distance compared to the stopping distance if the driver were going at the posted speed limit of 25 ? Express your answer as a multiple of the stopping distance at 25

  5. Conditional Probability

    A certain virus infects one in every 400 people. A test used to detect the virus in a person is positive 90% of the time if the person has the virus and 10% of the time if the person does not have the virus. Let A be the event "the person is infected" and

  6. physics - another thermo problem

    A bicycle pump is a cylinder 20 cm long and 3.0 cm in diameter. The pump contains air at 25.0 C and 1.0 atm. If the outlet at the base of the pump is blocked and the handle is pushed in very quickly, compressing the air to half its original volume, how hot

  7. algebra

    Pump A can fill a swimming pool in 6 hours and pump B can fill the same pool in 4 hours. The two pumps began working together to fill an empty pool, but after 40 minutes pump B broke down, and pump A had to complete the job alone. The pool was scheduled to

  8. Statistics

    John runs a computer software store. Yesterday he counted 127 people whwo walked by his store, 58 of whom came into the store. OF the 58, only 25 bought something in the store. A. What is probability that a person who walks by the store will enter the

  9. Math

    The probability that a person stopping at petrol pump will get his tyres checked is 0.12, the probability that he will get his oil checked is 0.29 and the probability that he will get both checked is 0.07. A) what is the probability that a person stopping

  10. MATH

    A CAR TRAVELS 432 KM ON 48 LITERS OF PETROL . HOW FAR WOULD IT TRAVEL ON 28 LITERS OF PETROL ONLINE SOULATION

  11. maths

    One pump fills a tank two times as fast as another pump. If the pumps work together they fill the tank in 18 minutes. How long does it take each pump working alone to fill the tank?

  12. math

    A new chewing gum has been developed that is helpful to those who want to stop smoking. If 60 percent of those people chewing the gum are successful in stopping smoking, what is the probability that in a group of four smokers using the gum at least one

  13. Maths

    Sally drove 560 miles in her car. The car travelled 34.5 miles for each gallon of petrol used. Petrol cost Ā£1.08 per litre. 1 gallon = 4.55 litres. Work out the cost of the petrol the car used in October.

  14. physics

    A house with its own well has a pump in the basement with an output pipe of inner radius 6.4 mm. Assume that the pump can maintain a gauge pressure of 420 kPa in the output pipe. A showerhead on the second floor (7.5 m above the pump's output pipe) has 38

  15. Engineering science

    A water pump produces 9KL of water per hour at a height of 70 m above the pump.The pump is driven by a 3 KW electric motor.calculate. 1) The work done per hour 2) The work done per minute

  16. math

    A car travels 56km using 8litres of petrol. What distance will it travels with 13litres of petrol.

  17. Statistics

    A sign on the petrol pumps of a chain of petrol stations encourages customers to have their oil checked, claiming that one out of every four cars should have its oil topped up. Assuming this claim is true: (b) What is the probability that at least half of

  18. mathematics

    a car petrol tank in 0.8m long 25cm wide and 20cm deep.how many litres of petrol can it hold?

  19. Science

    A water pump produces 9kl of water per hour at height of 70m above the pump. The pump is driven by 3kW electric motor calculate 1.the work done per hour. 2.the work done per minute.

  20. Math

    A pump can raise 900 liters of water per minute to a height of 50 meters caculate the h.p.(metric) of the pump.

  21. algebra 2

    A person playing a game of chance has a 0.25 probability of winning. If the person plays the game 20 times and wins half of that number of times, what is the difference between the theoretical probability and the experimental probability of that person

  22. CAN A TUTOR HELP ME WITH THIS PROBLEM PLEASE!

    A certain virus infects one in every 600 people. A test used to detect the virus in a person is positive 90% of the time if the person has the virus and 10% of the time if the person does not have the virus. Let A be the event "the person is infected" and

  23. Algebra I

    Pump A, working alone, can fill a tank in 3 hours, and pump B can fill the same tank in 2 hrs. If the tank is empty to start and pump A is switched on for one hour, after which pump B is also switched on and the two work together, how many minutes will

  24. statistics

    Commercial airliners have a maximum allowable weight of passenger checked baggage. It is known that the distribution of individual passengers checked-in baggage weight has a mean of 42 pounds and a standard deviation of 25 pounds. Suppose that a particular

  25. Physical Science

    When you do 100 J of work on the handle of a bicycle pump, the pump does 40 J of work pushing the air into the tire. What is the efficiency of the pump?

  26. Physics

    When you push down on the handle of a bicycle pump, a piston in the pump cylinder compresses the air inside the cylinder. When the pressure in the cylinder is greater than the pressure inside the inner tube to which the pump is attached, air begins to flow

  27. biology

    The sodium-potassium ion pump simultaneously transports two different solutes. Is the sodium-potassium ion pump an example of a cotransporter? Justify your answer by explaining the mechanism of the pump.

  28. 7th grade science

    How does the insulin pump help a person with type 1 diabetes maintain homeostasis?

  29. Science

    A pump is used to lift 500 kg of water from a depth of 80 m in 10 seconds.Calculate the power rating of the pump if it's efficiency is 40% . Take g=10 m/ s*s.

  30. Python programming Language

    Assume that there are n tyres that could be used by car, tricycle and bicycle. Write a program to accept n tyres and generate all the combinations (I.e the number) of car(s), tricycle(s), and bicycle(s) that could exhaust the n tyres. Ensure that all the

  31. HEALTH

    The heart is a _____ that provides the force necessary to circulate the blood to all the tissues in the body. A. Skeletal pump B. Autonomous pump C. Muscular pump D. Systemic pump My answer would be C. i think that's right...

  32. maths

    A car runs 18 km using 1 litre of petrol. How much distance will it cover using 7 1\4 litres of petrol ?

  33. physics

    iv. When you use a hand pump to inflate the tires of your bicycle, the pump gets warm after a while. Why? What happens to the temperature of the air in the pump as you compress it? Why does this happen? When you raise the pump handle to draw outside air

  34. Urgent ..!Math

    If a car covers 82.5km in 5.5 liters of petrol, how much distance will it cover in 13.2 liters of petrol?

  35. MATHS

    A car can cover a distance of 540 km on 18 liters of petrol. How far can it travel on 16 liters of petrol?

  36. maths

    a car runs 44 km using 11/4 litre of petrol.how much distance will it cover in 1 litre of petrol?

  37. maths

    A car travels 40 miles per gallon of petrol. How many kilometres can it travel on 5 gallons of petrol? (From a KS2 CGP SATs question book). The solution in the book says 40/5 = 8 8x8=64 64x 5 = 320Km I get the 64x5 =320Km, but not the first bit. Can anyone

  38. Math

    A mixture of petrol and oil for a two stroke lawn mower contains 85% petrol, how much oil is required for 18 litres of the fuel mixture?

  39. math

    One pump fills a tank two times as fast as another pump. If the pumps work together they fill the tank in 18 minutes. How long does it take each pump working alone to fill the tank? mat

  40. math

    It certainly pays to check your work! I just took a HUGE science test. I checked it over twice before I turned it in, and got an A! My score was 94 out of 100! I figure that each time I checked it, I found half of the mistakes that were there at the time.

  41. science

    A car travels 70km on 20 litre of petrol.How far could that car travels on 230 litres of petrol

  42. Statistics

    brewery's filling machine is adjusted to fill bottles with a mean of 33.8 oz. of ale and a variance of 0.004. Periodically, a bottle is checked and the amount of ale noted. (a) Assuming the amount of fill is normally distributed, what is the probability

  43. Science

    An electric pump has 2KW power.How much water will the pump lift every minute to a height of 10meter?

  44. Quantitative analysis

    3. A service station owner sells Firm-on-the-road tyres which are ordered from a local tyre distributor. The distributor receives tyres from two plants, A and B. When the owner of the service station receives an order from the distributor, there is a 0.5

  45. math

    on the way to the Open Air Museum Jaz and Kim stop to buy petrol.The petrol costs $3.15 for one USE gallon. Kim wants to compare the cost of petrol in America with the cost of petrol in England. Kim uses this information - 1 US gallon=3.875 litres - 1

  46. math

    A) Daily sales of petrol from the Nabua service station are normally distributed with Mean 6300L and the standard deviation 400L. (i) If a daily sale is selected at random, find the probability that it is less than 6200L. (ii) If petrol sales are sampled

  47. computer programming

    Assume that there are n tyres that could be used by car, tricycle and bicycle. Write a program to accept n tyres and generate all the combinations (i.e. the number) of car(s), tricycle(s) and bicycle(s) that could exhaust the n tyres. Ensure that all the

  48. computer programming

    Assume that there are n tyres that could be used by car, tricycle and bicycle. Write a program to accept n tyres and generate all the combinations (i.e. the number) of car(s), tricycle(s) and bicycle(s) that could exhaust the n tyres. Ensure that all the

  49. math

    When a person is swinging the amplitude (the swings"s distance above it's rest position) increases with each pump. According to Scientific magazine the amplitude increases by adding a constant when the person pumps sitting down, and by multiplying by a

  50. statistics

    The water supply in a town depends entirely on two pumps. A and B. The probability of pump A filling is 0.1 and the probability of pump B failing is 0.2. Calculate the probability that (a) Both pumps are working (b) There is no water in the town (c) Only

  51. math

    A) Daily sales of petrol from the Nabua service station are normally distributed with Mean6300Landthe standard deviation 400L. (i) If a daily sale is selected at random, find the probability that it is less than 6200L. (ii) If petrol sales are sampled for

  52. health

    The heart is a _____ that provides the force necessary to circulate the blood to all the tissues in the body. A. skeletal pump B. autonomous pump C. muscular pump D. systemic pump C?

  53. Mathematics

    The cost of petrol for a 270 km journey for a car which run 12km on each liter of petrol is 524.what would be the cost for 500 km journey for a van which runs 11km on each liter of petrol

  54. Algebra

    When a person is swinging the amplitude (the swings"s distance above it's rest position) increases with each pump. According to Scientific magazine the amplitude increases by adding a constant when the person pumps sitting down, and by multiplying by a

  55. maths

    A car travels 25.75 km/l of petrol. How much distance will it cover in 7 litre of petrol

  56. rates

    A bus uses 18 litres of petrol to travel 90 km. At the same rate of consumption, calculate the amount of petrol needed for a 200 km journey.

  57. physics

    In 37.0 s, a pump delivers 552 dm3 of oil into barrels on a platform 29.0 m above the pump intake pipe. The density of the oil is 0.82 g/cm3. (a) Calculate the work done by the pump. (b) Calculate the power produced by the pump

  58. Physics

    In 39.0 s, a pump delivers 549 dm3 of oil into barrels on a platform 22.0 m above the pump intake pipe. The density of the oil is 0.82 g/cm3. (a) Calculate the work (kJ) done by the pump (b) Calculate the power (kW) produced by the pump W = Fd --> W = mad

  59. math

    i have 30.6litres of petrol i use one third. Hpw much petrol do i have left

  60. programming

    1. Assume there are n-tyres that could be used by car, tricycle and bicycle. Write an algorithm to accept n-tyres and generate all the combinations of cars, tricycle and bicycle that would exhaust the n-tyres. 2. Assume S is a string of lower case

  61. Business Statistics

    (a) Of the next 10 cars entering a petrol station, what is the probability that exactly three of them should have their oil topped up?

  62. science

    An automobile travelling at 80km per hours has tyres of radius 80 cm. On applying brakes the car is brought to a stop in 30 complete turns of the tyres. What is the magnitude of the angular acceleration of the wheels how far does the car move while the

  63. S

    An automobile travelling at 80km/hrs has tyres of radius 80cm. On applying brakes the car is brought to a stop in 30 complete turns of the tyres. What is the magnitude of the angular acceleration of the wheels? How far does the car move while the brakes

  64. physical science

    A car drivers at 5 km/hr, consumes one liter of petrol per 50km. The RPM is 50. How many mintues will the car drive on one litre of petrol. Kindly supply formula and answer.

  65. physics

    1. An electric pump, used to obtain water from 20 metres below the ground, is marked 5000W. a) If the pump operates as rated, how much energy is used to pump water every second? b) Describe the energy conversions that take place when the pump is used. c)

  66. physics

    1. An electric pump, used to obtain water from 20 metres below the ground, is marked 5000W. a) If the pump operates as rated, how much energy is used to pump water every second? b) Describe the energy conversions that take place when the pump is used. c)

  67. Physics

    A piston in a bicycle pump is pressured half way into the pump without letting air get out and at unchanged temperature. Inside diameter of the pump is 2,3 cm. a) What is the pressure inside the pump in atm? b) How much force is needed to hold the piston

  68. Physics

    A car has wheels with tyres on, which are 75cm in diameter. The car is travelling at a constant speed of 60km/hr. If no slipping is observed between the wheels(tyres) and the road, calculate the angular speed and the acceleration of a stone wedged in the

  69. maths

    A car travles 432 km 48 liters of petrol. How far would it travel on 20 liters of petrol

  70. MATH

    A CAR TRAVELS 432 KM ON 48 LITERS OF PETROL . HOW FAR WOULD IT TRAVEL ON 28 LITERS OF PETROL

  71. math (ms sue)

    Suppose that one voter in the 2010 UK General Election was selected at random. The probability that the person voted for the Conservative Party was 0.36, the probability that the person voted for the Labour Party was 0.29, and the probability that the

  72. Statistics

    Four people working independently on an assembly line all perform the same task. The time (in minutes) to complete this task for person i (i = 1, 2, 3, 4) has a uniform distribution on the interval [0, i]. Suppose each person begins the task at the same

  73. Physics

    Figure 18-46 shows a hydraulic lift operated by pumping fluid into the hydraulic system. The large cylinder is 40 cm in diameter, while the small tube leaving the pump is 1.7 cm in diameter. A total load of 2500 kg is raised 2.2 m at a constant rate.

  74. math

    A pump brings underground water up to ground level. The water flow is measured in litres per minute.The pump fills an 18 litre bucket in 7 seconds.what is the speed of the pump flow

  75. Statistics

    Four people working independently on an assembly line all perform the same task. The time (in minutes) to complete this task for person i (i = 1, 2, 3, 4) has a uniform distribution on the interval [0, i]. Suppose each person begins the task at the same

  76. Chemistry

    The petrol, can be represented by the formula of the octane rating, has earth specifies 704 g/L. Estimate the enthalpy variation when burning 28.5 liters of petrol, assuming energies of connection 0 = 0 (117 kcal) C = 0 (173 kcal) 0ā€“H (111 kcal) Cā€“C

  77. math

    1) Write 0.78787878787878.... (recurring) as a percentage. 2) The price of petrol increased by 10%. Six months later it increases again by 10% There was no other price changes. What was the total percentage increase in the price of the petrol.

  78. Physics

    Can Anyone help me with this physics problem? The piston of a bicycle pump is circular in shape and has a diameter of 3.18 cm. When you exert a pushing force on the pump handle, it exerts a pressure of 225 kpa on the air inside the pump cylinder. 1) What

  79. Statistics

    The director of the library believes that 25% of the library's collection is checked out. If the director is right, what is the probability that the proportion of books checked out in a sample of 545 books would differ from the population proportion by

  80. Math

    A pump can pump 450 gallons from a pool in 5 min. What is the unit rate of the pump per min.? I divided 450 by 5 and got 90 Is that correct?

  81. Maths

    A certain disease is present in 1 in 200 of the population.In a mass screening program quick test for the disease is used, but the test is not totally reliable. For someone who does have the disease there is a probability of 0.9 that the test will prove

  82. Maths

    A certain disease is present in 1 in 200 of the population.In a mass screening program quick test for the disease is used, but the test is not totally reliable. For someone who does have the disease there is a probability of 0.9 that the test will prove

  83. Physics

    A person of mass 70kg slides across a slippery floor at 2m/s. If the coefficient of kinetic friction is 0.05 and that of static friction is 0.35. Find the distance the person will slide before stopping.

  84. Conditional Probability

    A certain virus infects one in every 600 people. A test used to detect the virus in a person is positive 90% of the time if the person has the virus and 10% of the time if the person does not have the virus. Let A be the event "the person is infected" and

  85. Maths

    A garage bought 55000 litres of petrol for 86 pence a litre and sold it for 96 pence a litre calculate how much garage paid for petrol.

  86. math

    petrol price rose from x cents/ liter to y cents/liter. Before the rise, it costs $a t fill my car with petrol. What is the new cost to fill it?

  87. physics

    A rotating water pump works by taking water in at one side of a rotating wheel, and expelling it from the other side. If a pump with a radius of 0.120 m starts from rest and accelerates at 30.5 rad/s2, how fast will the water be traveling when it leaves

  88. MATH

    two pump can individual fill the tank in 10 hours and 12 hours respectively while a third pump empites the full tank in 20 hours.If all the three pump are run simultaneously,in how munch time will be the tank be filled?

  89. Math

    Each of three pumps A, B, C can pump water either into, or out of, a swimming pool. Pump A can fill the pool in 6 hours, while pumpp B works twice as fast. Pump C however takes one third more time than pump A to fill the pool. 1. All three pumps together

  90. math

    a man paid $8.50 for a small pump and 8 feet of tubing.he paid 12 times as much for the pump as for each foot of tubing.how much did the pump cost? the tubing?

  91. stastics

    A survey of drivers in the United States found that 15% never use a cell phone while driving. Suppose that drivers arrive at random at an auto inspection station. a. If the inspector checks 10 drivers, what is the probability that at least one driver never

  92. statistic

    A survey of drivers in the United States found that 15% never use a cell phone while driving. Suppose that drivers arrive at random at an auto inspection station. a. If the inspector checks 10 drivers, what is the probability that at least one driver never

  93. Centrifulag pump curve

    Q4 The system on site is a pressure sand filter, with a service curve. The filter is backwashed using the feed pump, at a higher flow rate, shown as backwash curve. Service duty point : 3 m3/h Backwash duty point : 9 m3/h Part (a) (4 marks) What is the

  94. math

    if the papers of 4 students are checked by any of the 7 teachers, then the probability that all the 4 papers are checked by exactly 2 teachers is?

  95. math/probability

    204 / 205 - EXERCISES FOR SECTION 4.2 18- WHAT ARE EQUALY LIKELY OUTCOMES? 19- DESCRIBE THE DIFFERENCE BETWEEN AN IMPOSSIBLE EVENT AND A CERTAIN EVENT IN PROBABILITY. BE SURE TO PROVIDE EXAMPLES. 26- ALZHEIMER'S DISEASE. THE BAR GRAPH IN FIGURE 4.3 SHOWS

  96. Algebra

    a worker has a new pump and an old pump. the new pump can fill a tank in five hours and the old pump can fill the same tank in 7 hours write and solve an equation for the time it will take both pumps to fill one tank if the pumps are used together.

  97. Physiology

    The rate at which the Na+-K+ pump operates is not constant but is controlled by a combined effect of changes in ICF Na+ concentration and ECF K+ concentration. Do you think an increase in both ICF Na+ and ECF K+ concentrations would accelerate or slow down

  98. Statistics

    *Give all probabilities to two decimal places. Three daily newspapers are published in a large city. Suppose we have the following facts about the people in the city: 60% read Newspaper A. 34% read Newspaper C. 72% read Newspaper A or Newspaper B. 18% read

  99. physics

    A pump raises water through a height of 15m at the rate of 30kg per second .Calculate the power of the pump

  100. Pump power

    I have a question in a tutorial, one of these that give the answers in brackets. However, I think the answer given may be wrong. Anyone check this please, if the given answer is correct, how is it worked out. Q A centrifugal pump is required to lift 400 kg

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