In a shipment of 21 parts, four of the parts are defective. If three parts are selected at random without replacement, find the probability that : a.) All three parts selected are defective. 4/21*3/20*2/19=.003 b.) None of the tree parts

4,671 results
  1. Mathematics

    A machine takes 4.2 hours to make 7 parts. At that rate, how many parts can the machine make in 28.8 hours 48 parts 41 parts 172 parts 17 parts

  2. World History A

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  5. Science

    Why is it rare for the soft parts of an organism to become a fossil? A. the soft parts take a long time to decay. B. the soft parts can be eaten by other animals.* C. the soft parts cannot be buried in sediment. D. the soft parts form petrified fossils.

  6. major parts of speech

    select the incorrect statement. a. Major parts of speech are called content words because the carry most of the meaning fo communication b.Minor parts of speech are called function words because thay are concerned with meaning c. Major parts of speech

  7. Discrete Math

    A factory makes automobile parts. Each part has a code consisting of a letter and three digits, such as C117, O076, or Z920. Last week the factory made 60,000 parts. Prove that there are at least three parts that have the same serial number.

  8. World History

    Which option critiques the factual accuracy of the summary? Read the summary. The earliest humans originated in northern Europe (1) and traveled south via land bridges to Asia and Africa (2). As people spread throughout the world, a shift from

  9. Algebra 1

    You are making up your own mix of concrete to patch a set of stairs. In order to have the proper mix, you need to mix 1 part of Portland cement with 2 parts of sand and 3 parts of gravel. A. How many total parts are in one batch of concrete? B. You make a

  10. history

    Based on this excerpt from the text, in what way would interchangeable parts best help businesses? (1 point) Parts made by machines could be made more cheaply. Customers had to wait longer to obtain the new parts made by machines. Machines could quickly

  11. math

    Suppose that an automobile parts wholesaler claims that .5 percent of the car batteries in a shipment are defective. A random sample of 200 batteries is taken, and four are found to be defective. (a) Use the Poisson approximation to find the probability

  12. Math

    In a shipment of 400 parts 14 are found to be defective how many defective parts should be expected in a shipment of 1000? 125

  13. history

    Read the summary. Catholic reformers began working to rebuild the Church’s power base and neutralize Protestant criticism by convening at the Council of Trent (1). The Council condemned the practice of indulgences, which had made Martin Luther write his

  14. science PLEASE CHECK MY ANSWERS

    1. why is it rare for the soft parts of an organism to become a fossil a. the soft parts take a long time to decay. b. the soft parts can be eaten by other animas. c. The soft parts cannot be buried in sediment.>>>my answer d. the soft parts from petrified

  15. Algebra

    A circle is divided into 10 equal parts. What is the total angle measure of 9​ parts?

  16. Statistics

    Of the parts produced by a particular machine, 1.5% are defective. If a random sample of 11 parts produced by this machine contains 2 or more defective parts, the machine is shut down for repairs. Find the probability that the machine will be shut down for

  17. World History

    Jews were persecuted in Europe for hundreds of years even before the 20th century (1). Thousands were massacred by crusading knights on their way to the Holy Land (2). Another common practice was to force Jews into sections of town called ghettos (3). In

  18. Math

    A circle is divided into 20 equal parts. Find the angle measure of one of the parts

  19. math

    In a shipment of 750 parts, 75 were found to be defective. What percent of parts were faulty?

  20. math

    A number is divided into two parts such that one part is 10 more than the other. If the two parts are in the ratio 5:3. Find the number and the two parts

  21. matha school.alleppey

    300 is divided into 2 parts so that half of one part may be less than other by 48.then the parts are?find the linear equation

  22. Math

    A circle is divided into 8 equal parts. What is the total angle measure of 4 parts?

  23. statistics

    the percent defective for parts produced by a manufacturing process is targeted at 4%. The process is monitored daily by taking samples of sizes n=160 units. Suppose that today's sample contains 14 defectives. How many units would have to be sampled to be

  24. Statistics

    Suppose that an automobile parts wholesaler claims that .5 percent of the car batteries in a shipment are defective. A random sample of 200 batteries is taken, and four are found to be defective. (a) Use the Poisson approximation to find the probability

  25. grammar

    in classifying a sentences u underline the _______ parts once and the ________ parts twice? can someone please help my daughter

  26. Social Studies. Please help!

    Whitney wanted to speed up the making of guns by having machines manufacture each part. All machine-made parts would be alike-for example, one trigger would be identical to another. Identical parts would fit together with all other parts, and gunsmiths

  27. biology

    A plant whose reproductive parts produce nectar is also most likely to a produce sweet-tasting fruit. b have no parts that can perform photosynthesis. c have brightly colored reproductive parts. d rely on wind pollination. e suffer significant seed loss to

  28. STATISTICS

    The probability that a certain production process will produce a defective part is 0.20. If a box contains 12 parts, the probability that there will be 6 or 7 defective parts is ??

  29. Math

    A machine takes 4.2 hours to make 7 parts. At that rate, how many parts can the machine make in 28.8 hours? Round answer. 1)48 parts 2)41 parts 3)172 parts 4)17 parts I think #1. Thanks

  30. History

    Jews were persecuted in Europe for hundreds of years even before the 20th century (1). Thousands were massacred by crusading knights on their way to the Holy Land (2). Another common practice was to force Jews into sections of town called ghettos (3). In

  31. statistics

    Among 15 metal parts produced in a machine shop, 4 are defective. If a random sample of five of these metal parts is selected, find a) The probability that this sample will contain at least three defectives. b) The probability that this sample will contain

  32. History

    Read the summary. Rome’s empire covered 2.5 million square miles (1). But this large territory meant longer frontiers to defend and more lands to control (2). To flesh out the army’s dwindling ranks, Roman Senators declared that all able-bodied men

  33. history

    Read the summary. In the beginning, the Crusades had been about protecting Christians from the Saracens and reclaiming the city of Jerusalem (1). But in later Crusades, the Church began declaring holy wars on European land (2). For example, the Albigensian

  34. Math

    Latoya's Receipe 2 1/5 parts cranapple juice 1 4/5 parts lemonade ____________________________________________________________ Parker's Recipe 2 1/2 parts cranapple juice 3 1/2 parts lemonade For each recipe, write a ratio that compares the number of parts

  35. SCIENCE HELP

    How will the spacecraft for this mission be designed? What parts are for overcoming the challenging conditions? What parts are for collecting data? What are other parts of the design? I planned to go to mercury- what do I put:(((

  36. math

    A recipe for a fruit shake calls for 5 parts milk, 3 parts banana puree, and 2 parts strawberry juice. Find the quantity of each ingredient necessary to make an 8 ounce shake.

  37. math

    Leah has two same size rectangles divided into the same number of Equal parts. One rectangle has 1/3 of the parts shaded and the other has 2/5 of the parts shaded. What is the least number of parts into which both rectangles can be divide?

  38. Algebra 1--Please, help me!

    How am I supposed to graph the following functions? 1. A wholesaler is buying auto parts. He has $200 to spend. He receives 5 parts free with the order. The number of parts y he can buy, if the average price of the parts is x dollars, is y = 200/x + 5. a.

  39. math

    Leah has two same size rectangles divided into the same number of equal parts.One rectangle has 1/3 of the parts shaded,and the other has 2/5 of the parts shaded.What is the least number of parts into which both rectangles could be divided?

  40. Poetry (personification)

    Think of two things that can have human body parts substituted for their own parts. What parts does a clock have that a human body has? Now use the the objects you though of in a lines of poetry. Example: The face of Big Ben watches over the city of

  41. statistics help please :(

    A shipment of 50 parts contains 11 defective parts. Suppose 3 parts are selected at random, without replacement, from the shipment. What is the probability that exactly 2 parts are not defective?

  42. statistics

    A shipment of 50 parts contains 12 defective parts. Suppose 3 parts are selected at random, without replacement, from the shipment. What is the probability that all 3 parts are defective?

  43. World History

    Read the summary. Babylon was in the heartland of Mesopotamia, the site of the First Agricultural Revolution (1). Based on cuneiform writings on clay tablets, researchers know that farm products included sesame, barley, and dates, as well as cattle and

  44. Math- double check me please

    In a shipment of 1200 parts, 60 were found to be defective. What percent of the parts were faulty? a.60 b. 1200 c what percent d. shipment answer:a Ms. Jefferson has been given a loan of 20,000 for a 1 year. If the interest charged is $800, what is the

  45. Statistics

    Half of a set of the parts are manufactured by machine A and half by machine B. Four (.04) of all the parts are defective. Six percent (6%) of the parts manufacture on machine A are defective. Find the probability that a part was manufactured on machine A,

  46. Statistics

    In a particular manufacturing plant, two machines (A and B) produce a particular part. One machine (B) is newer and faster. In one five-minute period, a lot consisting of 32 parts is produced. Twenty-two are produced by machine B and the rest by machine A.

  47. Math

    Samantha's Recipe 3 1/2 parts cranapple juice 2 1/2 parts lemonade Caden's Recipe 4 1/4 parts cranapple juice 3 3/4 parts lemonade For each recipe, write a ratio that compares the number of parts of lemonade to the total number of parts. Please help and

  48. Discrete Math

    A factory makes automobile parts, 5C7, 1O6 or 3Z0, which are of 5,000 parts, what is the minimum number of parts with the same serial number?

  49. Algebra

    The following is a report of defective parts reported by inspectors in 3 electronic factories: Brookline= 3 per 10,000 Brookville= 5 per 100,000 Brooklyn= 13 per 1,000,000 Which of the following best expresses the portion of defective parts in three

  50. Statistics

    When a new machine is functioning properly, only 2% of the items produced are defective. If 5 parts are randomly selected from this production process, what is the probability that at most 1 defective item is in the sample?

  51. Statistics

    The production process of computer parts uses two machines one old & one new. If the old machine is used the probability that the defected part is produced is .13 if the new machine is used the probability that the defective part is produced is .04.

  52. stats

    Suppose a shipment of 500 machine parts contains 62 defective and 438 non-defective machine parts. From the shipment you take a random sample of 25. You are interested in the number of defective machine parts out of 25 trials and corresponding

  53. Statistics

    In a shipment of 21 parts, four of the parts are defective. If three parts are selected at random without replacement, find the probability that : a.) All three parts selected are defective. 4/21*3/20*2/19=.003 b.) None of the tree parts selected are

  54. Math

    In a shipment of 400 parts, 15 were found to be defective. How many defective parts should be expected in a shipment of 1000 parts?

  55. statistics

    Suppose a shipment of 500 machine parts contains 62 defective and 438 non-defective machine parts. From the shipment you take a random sample of 25. You are interested in the number of defective machine parts out of 25 trials and corresponding

  56. Statistics

    A bin of 35 manufactured parts contains 6 defective parts and 29 non-defective parts. A sample of size 5 parts is selected from 35 parts. Selected parts are not replaced. How many different samples are there of size five that contain exactly 2 defective

  57. Statistics/Binomal

    I really need help I do not understand how to start this problem. A machine that manufactures automobile parts produces defective parts 15% of the time. If 7 parts produced by this machine are randomly selected, what is the probability that at least 3 of

  58. Statistics

    I'm stuck on this homework question. If someone can just help get me started with the first one I'm sure I can do the rest. I'm just not sure how to begin. Thanks! 1. A production process produces 90% non-defective parts. A sample of 10 parts from the

  59. math

    Identify the rate,base, and amount in the following application at this point. Business and finance. In a shipment of 750 parts, 75 were found to be defective. ahat percent of the parts were faulty?

  60. math

    im a girl ok um Three out of 200 machine parts were found to be defective. About how many parts would be expected to be defective out of 2500 parts? A. 15 B. 30 C. 38 D. 67

  61. Math

    Three out of 200 machine parts were found to be defective. About how many parts would be expected to be defective out of 2500 parts?

  62. Math

    Three out of 200 machine parts were found to be defective. About how many parts would be expected to be defective out of 2500 parts? A. 15 B. 30 C. 38 D. 67

  63. Math

    Three out of 200 machine parts were found to be defective. About how many parts would be expected to be defective out of 2500 parts?

  64. math

    Three out of 200 machine parts were found to be defective. About how many parts would be expected to be defective out of 2500 parts?

  65. math

    Three out of 200 machine parts were found to be defective. About how many parts would be expected to be defective out of 2500 parts?

  66. chemistry

    The urine of horses are mixed with an excess of hydrochloric acid, after some time, a yellowish-brown crystalline precipitate, which have an unpleasant odor, that can't be removed by simply washing with water. This new compound has the following

  67. statistic math

    it is known that 5% of all parts manufactured at Plant F are defective. If 30 part are randomly selected what is the probability that all 30 parts are not defective and what is the probability that at least one of the 30 parts is defective?

  68. Statistics

    Can someone please help me with this example, I do not understand it at all. Binomial problems: Advanced A machine that manufactures automobile parts is estimated to produce defective parts % of the time. If this estimate is correct, and parts produced by

  69. 3rd grade

    alice folded a piece of paper into 12 equal squares and colored them. She had 3 times as many red parts as green parts and 2 more yellow parts than blue parts. How many parts did she have of eeach color?

  70. Statistics

    1) A Motor Company has purchased steel parts from a supplier for several years and has found that 10% of the parts must be returned because they are defective. An order of 25 parts is received. What are the mean and standard deviation of the defective

  71. Math please check

    Identify the amount in the following application In a shipment if 1200 parts, 60 were found to be detective. What percent of the parts were faulty? a. 60 b. 1200 c. what percent d. shipment answer: c

  72. Algebra1

    a company sells brass and steel machine parts. One shipment contain 3 brass and 10 steel parts and cost 48.00. A second shipment contain 7 brass and 4 steel parts and cost 54.00. Find the cost of each type of machine part. How much would a shipment

  73. STATISTICS

    The probability that a certain production process will produce a defective part is 0.20. If a box contains 12 parts, the probability that it will contain 6 defective parts is?

  74. Math

    Business and Finance: in a shipment of 750 parts, 75 were found to be defective. what percent of the park were faulty.

  75. Math

    I need help not sure if I'm doing this correctly. Parts of parts: Find each of the following parts of parts without drawing a diagram for each problem explained clearly A) 2/3 of 2/7 I think it's 4/15 because your multiplying. B) 6/11 × 2/7 I think it's

  76. Physics

    A manufacturer is designing a two part firecracker with a total mass of 1.0 kg. The firecracker will launch at a speed of 25 m/s, then separate into its parts some time, t, after launch. The parts have equal mass. If the parts separate such that the angle

  77. Math

    To make green paint, Jeff's art teacher instructed him to mix blue and yellow paint. To make the desired shade of green, the ratio of blue paint to yellow paint is 3:4. What the does the ratio 3:4 mean? a. 4 parts yellow for every 3 parts blue b. 4 parts

  78. sciance

    what are the definitions of these words: Solute Infer Serial Dilute Parts per million parts per billion parts per trillion epidemiology epidemic contaminate microrgansims Quantitative Chlorine risk trade-off thanks

  79. statistics

    Among 15 metal parts produced in a machine shop, 4 are defective. If a random sample of five of these metal parts is selected, find a) The probability that this sample will contain at least three defectives. b) The probability that this sample will contain

  80. Math

    Samantha's Recipe 3 1/2 parts cranapple juice 2 1/2 parts lemonade Caden's Recipe 4 1/4 parts cranapple juice 3 3/4 parts lemonade For each recipe, write a ratio that compares the number of parts of lemonade to the total number of parts. Please help and

  81. PHYSICS

    An object of mass M is divided into two parts ,which are placed at distance d.if gravitational force of attraction is maximum between parts,then find the ratio of mass of both parts

  82. 8th grade math.

    He ripped a piece of paper into three parts, and tore each of those parts into three more parts. if he repeated this action 12 times, how many pieces of paper would he have?

  83. Math

    The decimal number 0.75 means: A. there are seventy-five parts of a whole unit that has 100 parts. B. there are seven-and-a-half parts of a whole unit. C. that a whole unit consists of seventy-five parts. D. seventy-five tenths of a whole unit.

  84. math

    a number is divided into two parts such that one part is 10 more than the other. if the two parts are in the ratio 5:3,find the number and the two parts?

  85. chemistry

    If 19.7 g of CaCl2 are present in 200 mL of aqueous solution, what is the concentration in terms of the following? a. molarity 100 M CaCl2 b. weight/volume percent 0.1 % (w/v) c. parts per thousand 100 ppt d. parts per million 10E4 ppm e. parts per billion

  86. Math

    Suppose that an automobile parts wholesaler claims that .5 percent of the car batteries in a shipment are defective. A random sample of 200 batteries is taken, and four are found to be defective. (a) Use the Poisson approximation to find the probability

  87. math

    a bathroom cleaner contains 1 part of bleach with 4 parts of water. if you need 10 parts of bathroom cleaner, how much water and bleach do you need? If 1 part bleach and 4 parts water = 5 parts, then what do you need to do to get 10 parts? Although this

  88. World history

    The Byzantine Empire began as the eastern half of the old Roman Empire and expanded to include much of Rome’s Mediterranean territories (1). South of the Byzantine Empire, the Arab Empire rose to power, conquering the Persian Empire (2). Over time, the

  89. Math

    You have been given a recipe for a completely new fruit drink. The recipe has three parts. Here is the recipe: Fruit drink recipe: 2 parts pineapple juice, 3 parts cranberry juice; 5 parts lemon juice The mixers need to make 1 quart (4 cups) of juice for

  90. Math - please check me

    Flor is putting a fence around a field. The field is rectangular and measures 9.84 yards (yd)long and 18.39 yd wide. How much fence must Flor purchase? answer: 28.23 yd Rainfall for the first 3 months of 2004 was recorded at 2.75, 1.97, and 1.59

  91. statistics

    in certain manufacturing processes parts must be machined tonwithin specified tolerences. the parts must have a mean length of of six inches plus or minus 0.26 inches .A SAMPLING PROCEDURE HAS BEEN ESTABLISHED to determine wether the ten parts are within

  92. statistics

    Among 17 metal parts produced in a machine shop, 6 are defective. If a random sample of four of these metal parts is selected, find: (a) The probability that this sample will contain at least three defectives. (Do not round the intermediate answers. Round

  93. History

    Read the summary. In the 1910 Mexico presidential election, a writer and reformer named Francisco Madero challenged Porfirio Diaz for the office (1). When Diaz saw that Madero might win the election, he had the reformer arrested on false charges and

  94. QUESTION

    What,if anything,is wrong with the following sentence? Do you advise me to go to college or that I should get a job after high school. 1.PROPERLY CONSTRUCTED SENTENCE 2.MISPLACED PARTS 3.LACKS PARALLEL PARTS 4.RUN-ON I AM THINKING ITS NUMBER (3)LACKS

  95. Physics

    A charge of 6.0 mC is to be split into two parts that are then separated by 3.00 mm. What is the maximum possible magnitude of the electrostatic force between those two parts?

  96. Geometry Math

    Lines y= 2x/3+3&y=5 cut the ring formed by circles (x-3)2+(y-5)2=64 and (x-3)2+(y-5)2=25 into four parts. Find the area of each of the four parts.

  97. Math

    Please help me solve for the perimeter of a circle with center 0 is divided into 8 equal parts and 3 of the 8 parts are shaded. Thank you

  98. mathematics

    A jug of lemonade is made up of 2 parts of lemon juice to 18 parts of water.

  99. Social Studies

    Need help figuring out what 3 parts they are talking about in the question: List the 3 parts of the Containment Policy. Thanks...

  100. unitar

    A machine produces parts with lengths that are normally distributed with   0.5 . A sample of 10 parts has a mean length of 75.92.

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