# A store owner receives 12 computers:nine are model A and the rest are model B.if two computers are sold at random,find the probability that one of each model is sold. (base on probability and combinatorial analysis)

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1. ## statistics

A store owner receives 12 computers:nine are model A and the rest are model B.if two computers are sold at random,find the probability that one of each model is sold.
2. ## math

A store owner receives 12 computers:nine are model A and the rest are model B.if two computers are sold at random,find the probability that one of each model is sold
3. ## math

A store owner receives 12 computers:nine are model A and the rest are model B.if two computers are sold at random,find the probability that one of each model is sold. (base on probability and combinatorial analysis)
4. ## Math

I need help in seeing if I solved these inequality problems correctly. 1. A store sells two models of computers. Because of the demand, the store stocks at least twice as many units of model A as of model B. The costs to the store for the two models are
5. ## algebra 2

three computers were on sale model E computer was priced at 1/3 the price model C and model P was priced at 1/2 the price of model E on business bought one of each type of computers on sale and paid a total \$1800
6. ## math

A retailer planned to buy some computers form a wholesaler for a total of shilling 1,800,000. Before the retailer could buy the computers the price per unit was reduced by shilling 4,000. This reduction in price enabled the retailer to buy five more
7. ## math

A retailer planned to buy some computers form a wholesaler for a total of Shillings 1,800,000. Before the retailer could buy the computers the price per unit was reduced by shillings 4,000. This reduction in price enabled the retailer to buy five more
8. ## math

A retailer planned to buy some computers form a wholesaler for a total of Shillings 1,800,000. Before the retailer could buy the computers the price per unit was reduced by shillings 4,000. This reduction in price enabled the retailer to buy five more
9. ## math

The sales team at an electronics store sold 48 computers last month. The manager at the store wants to encourage the sales team to sell more computers and is going to give all the sales team members a bonus if the number of computers sold increases by 30%
10. ## math

Julius sold 5x as many computers as Sam sold last year. In total they sold 78 computers. How many computers did Julius sell. **Solve each problem by WRIING and solving the equation.
11. ## Pre-Calculus

The logistic growth model p(t)=0.90/1+3.5e^-0.339t relates the proportion of new personal computers sold @ Best Buy that have Intel's latest coprecessor t months after it has been introduced. a) what proportion of new personal computers sold @ Best Buy
12. ## computers

what computers can do?what computers cannot do?what are the advantages and disadvantages of computers?what are the roles of computer in the society?
13. ## Math

Im having trouble getting the correct answer to this question. Could someone help out. Monthly sales of a particular personal computer are expected to decline at the following rate of S'(t) computers per month, where t is time in months and S(t) is the
14. ## Calculus

Universal instruments found that the monthly demand for its new line of Galaxy Home Computers t months after placing the line on the market was given by D(t) = 2900 − 2300e−0.08t (t > 0) Graph this function and answer the following
15. ## math help

Universal instruments found that the monthly demand for its new line of Galaxy Home Computers t months after placing the line on the market was given by D(t) = 2900 − 2300e−0.08t (t > 0) Graph this function and answer the following
16. ## statistics

à manufacturer of computers designed to aid social scientists in analyzing research data clams that his computers are opérational for at least 80 percent of the time. during the course of the year one computer was operational for 270 days. test, 1
17. ## math

The Media cnter at Josh's school has a computer area. The first four rows have sixm computers. the fifth row has four computers. how many computers are there in all?
18. ## Language Arts

7. in the biography nolan bushnell which of the following descriptions best reflects the authors feelings towards the impact of the computers on society A. computers hinder the academic performances of many students B. computers and technology promote
19. ## math

the ratio of the number of desktop computers sold to the number of laptops sold by a dealer is 5 to 9 if 20 desktop computers were sold then how many laptops wree sold?
20. ## Computer Development

How has the history of computers changed over the years? The history of computers has changed over by the years by the growth of technology and te different computers that grow to be invented to work better and faster. Ways to answer the question would be
21. ## Math

Mrs. Roberts plans to purchase a microscope for a present as a Christmas gift. The A model magnifies to a maximum of 5 x10 2 power , while the b model magnifies to a maximum of 3x10 3 power times. Which of the following statements is true? 1. The b model

the heckscher- ohlin model question is below.. can anyone explain this question..? The Heckscher-Ohlin model assumes that tastes are the same in Home and Foreign. Suppose now that tastes are different in Home and Foreign. Is it possible for the capital
23. ## Math

Mr. Jackson sold 3 computers in the first year. In the second year he sold 4 times as many computers. In the third year he was able to sell 6 times as many computers as the first year. How many did Mr. Jackson see in three years.
24. ## Chemistry

which atomic model best explains the helium atom? A. Bohr's Model B. Dalton's Model c. Quantum mechanical model D. Thompson Model Not really sure what this question is asking.
25. ## Computer Literacy

2. Which of the following components was a significant development featured in the Macintosh LISA computer? (C) C Prompt Disk Operating System Graphical User Interface) Memory 4. Which is NOT a function associated with a motherboard? (D) Expansion slot
26. ## Math

Theresa's company just bought 18 new computers. She was told that there would be a random drawing to see which employees got one of the new computers. If Theresa has 46 coworkers, what is the probability that she will get one of the new computers?
27. ## I.C.T.

What is a PC? "PC" can stand for several things. In our society right now, the most common references are these: Politically correct Personal computer I'm sure there are plenty of others!! =) One thing it stands for is personal computer. But I'm sure there

Heckscher- Ohlin Model 1. Suppose that Home produces computers (C) and Food (F) using skilled labour (S) and unskilled labour (L). The unit factor requirements for each industry are: aSC = 1 aSF = 1 aLC = 2 aLF = 4 (a)What good is skilled labour intensive?

Please help on the following question 2. (Heckscher- Ohlin Model) Suppose that Home produces computers (C) and Food (F) using skilled labour (S) and unskilled labour (L). The unit factor requirements for each industry are: aSC = 1 aSF = 1 aLC = 2 aLF = 4
30. ## Algebra

I need help please. 9.The owner of a computer store received a shipment of computers at cost of \$319.85 each. If he sells the computes for \$412.99 each, what is the percent of markup? Round to the nearest whole percent. 23% 29% 77% ****??? 79%
31. ## math

A store sells one model of bicycle for \$250. a. Write an expression for the amount of money the store receives if it sells b bicycles. b. How much would the store make if it sells 5 bicycles.
32. ## English

What does the narrator of “All Watched Over by Machines of Loving Grace” want? A) people to reject computers B) computers to rule man and animal C) the natural world to swallow up technology D) computers and living things to live together in a natural
33. ## English

What does the narrator of “All Watched Over by Machines of Loving Grace” want? people to reject computers computers to rule man and animal the natural world to swallow up technology computers and living things to live together in a natural harmony My
34. ## computers

who would be responsible for computerized records damage due to a hacker or power surge, the owner or the custodian or manager owner
35. ## algebra

The number of computers sold by BCC depends on the dollar amound,x, that they spend on advertising. How much must they spend to sell 200 computers? Round to the nearest dollar and do not include units in your answer. N(x)=100+20 * In(0.25x)
36. ## Math

The depth of the first model of a mobile phone measure 7/20 of an inch. The second model is 6/7 Was the depth of the first model. The third model measured 27/35 of the size of the first model. The fourth model was 4/5 the size of the first model. What is
37. ## Math Alg2

The number of computers sold by BCC depends on the dollar amount, x, that they spend on advertising. How many computers will they sell by spending \$100,000 on advertising? Round to the nearest whole number and do not include units in your answer.
38. ## Math- Alg 2

The number of computers sold by BCC depends on the dollar amount, x, that they spend on advertising. How many computers will they sell by spending \$80,000 on advertising? Round to the nearest whole number and do not include units in your answer. N(x) = 100
39. ## math

A small group of employees in a company get viruses on their computers. Every hour, each computer infects one other computer. If it takes 8 hours for 100 computers to be infected, how long would it take for only 50 computers to be infected?
40. ## Math

Tony works in a factory that produces 1,000 computers each day. When 50 computers were sampled, it was found that 7 were defective. Estimate how many defective computers are made each day. 1. 140 2. 7 3. 4.
41. ## Computers

When setting up a network, you should set up any computers running the Microsoft Vista operating system: first. last. only before any computers running Linux. The order does not matter. aboekhout20: im thinking its either aboekhout20: C or D
42. ## Math

Tony works in a factory that produces 1,000 computers each day. When 50 computers were sampled, it was fount that 7 were defective. Estimate how many defective computers are made each day.
43. ## English writing

Topic is It has been said that computers are taking over our lives. Do you agree or disagree? Please help with the following thesis statements I wrote for the topic. Computers make terrific business parters. Our lives depend on computers for our everyday
44. ## Spanish

Schools in Mexico _______. a. have no computers b. have 10 to 12 computers c. are working to increase the student/computer ratio*** d. have plenty of computers because they work with large computer companies Just checking my work:) *** - My Answer Thanks,
45. ## Math

Annual sales (in millions of units) of pocket computers are expected to grow in accordance with the following function where t is measured in years, with t = 0 corresponding to 1997. f(t) = 0.18t^2 + 0.16t + 2.64 (0<=t<=2) How many pocket computers
46. ## Math

Annual sales (in millions of units) of pocket computers are expected to grow in accordance with the following function where t is measured in years, with t = 0 corresponding to 1997. f(t) = 0.18t^2 + 0.16t + 2.64 How many pocket computers will be sold over
47. ## Teachers Aide/Technology in the Classroom

Which of the following scenarios most likely describes the future of technology in education? A. School personnel will become convinced that computers are a passing fad. B. More interactive multimedia programs will become available. C. Drill and practice
48. ## Math

A sales associate at a computer store receives a bonus of \$100 for every computer he sells. He wants to make \$2500 in bonuses next month. Write and solve an inequality to find the minimum number of computers he must sell.
49. ## algebra II,math

this is another from a different section can you show me how to solve it. An electronics company produces three models of stereo speakers, models A, B, and C, and can deliver them by truck, van, or station wagon. A truck holds 2 boxes of model A, 2 of

Could someone explain what multiplication comparisons are? An example of the problem is: Northview bought 6 computers Southview bought 2 computers Using multiplication, compare the number of computers the two schools bought. Express the comparison 2 ways.
51. ## Need help with math

In a survey of 250 households regarding the ownership of desktop and laptop computers, the following information was obtained: ​ 130 households own only desktop computers. 30 households own only laptop computers. 50 households own neither desktop nor
52. ## word problem

A company makes and sells notebook computers. The company’s cost function in thousands of dollars is C(x) = 0.3x + 100, and the revenue function in thousands of dollars is R(x) = 0.75x, where x is the number of notebook computers. (a) Evaluate and
53. ## math

Ridwan work in a factory packing computers. He packed 1/3 of all the computers in the morning. 1/2 of the computers he packed were shipped out immediately after packing. What fraction of all computers in the factory was shipped out after packing?
54. ## Algebra2

The first candle was sold at 10\$ and the store sold 2500 of them. Then they decreased to 9.50\$ and sold 2800, they decreased more to 9\$ and sold 3100. Find a quadratic formula that will model the profit from this based on price change. What selling price
55. ## Math

5) A car manufacturer has manufacturing plants in 3 major cities. Below are the daily amounts of cars produced per plant for 3 different model types. (matrix A) Model X Model Y Model Z Plant A 12 10 0 Plant B 4 4 20 Plant C 8 9 12 Due to wage increases,
56. ## Algebra

Company produces three models of speakers. models A,B,and C and can deliver them by truck, van and car. Truck holds 2 boxes of model A, 2 of model B and 3 of model C. Van holds 3 boxes of model A, 4 boxes of model B, and 2 boxes of model C The car holds 3
57. ## math

Uncle Toby is making a scale model of the battlefield at Fredericksburg. The area he wants to model measures about 11 mi by 7.5 mi. He plans to put the model on a 3.25 ft by 3.25 square table. On each side of the model he wants to leave at least 3 inches
58. ## math

Toby is making a scale model of the battlefield at Fredericksburg. The area he wants to model measures about 11 mi by 7.5mi. He plans to put the model on a 3.25 ft by 3.25ft square table. On each side of the model he wants to leave at least 3 inches
59. ## math

Toby is making a scale model of the battlefield at Fredericksburg. The area he wants to model measures about 11 mi by 7.5mi. He plans to put the model on a 3.25 ft by 3.25ft square table. On each side of the model he wants to leave at least 3 inches
60. ## computers

why do we need computer ethics? Why should we need ethics at all? The next question is why should computers change that? that doesnt answer me question Actually, it does. Think. Are you clear on the meaning of the word "ethics"?
61. ## computers in day care

Which of the following statements about children and computers is not correct? A. Today, many children begin using computers in preschool or day care. B. Some day care providers begin computer-assisted instruction with children as young as two years old.
62. ## Math

A company is planning to produce and sell a new line of computers. The fixed cost will be \$320,000 and it will cost \$600 to produce each computer. Each computer will be sold for \$800. 1. Write the cost function, C, of producing "x" computers.
63. ## math

change both measurements to the same unit of measure,and find the scale factor. 1. 4in. model of a 6ft.cabinet 2. 4cm. model of a 2m. door. 3. 12ft. model of a 100yd. playground 4. 20m. model of a 3km. street.
64. ## English

1. I am good at computers. 2. I am good with computers. (Are both the same in meaning?) 3. I am good at using computers. 4. I am good with using computers. (Are both the same and grammatical?)
65. ## Computer Scheduling

Five Computers 9:30-10:00 young toddlers 3 children here 10:00-12:00 older toddlers 4 children here 1:00-3:00 preschoolers 10 children here Scheduling time.Which one of the following statements is true for this schedule. A. The young toddlers aren't

A store owner buys suppleis from a vendor for 8.40. The terms of sale are 2/30, n/30. What will be the net amount due if the owner pays the bill by the 10th day after he receives the supplies?
67. ## Computers

What is the only layer of the TCP/IP model that places information used to perform a frame check sequence at the end of the frame? A. Internet B. Transport C. Presentation D. Network Access Suck between two answers.
68. ## Math!

Change both measurements to the same unit of measure and find the scale factor. 1) 1ft model of a 1in. fossil 2) 20cm model of a 28m rocket 3) 2ft model of a 30yd sports field 4) 3ft model of a 5yd whale
69. ## Math 10

Cashew nuts are sold at 15 per kg. Walnuts are sold at 12 per kg. What quantities of each nut would a store owner put into a 100-kg barrel so that it could be sold for 13.20 per kg?
70. ## statistics

I'm trying to work through the proof for SST = SSM + SSE MEAN = ∑(X)/N SST = ∑((x - MEAN)^2) = ∑(x^2 - 2 * x1 * MEAN + MEAN^2) = ∑(x^2) - 2 * MEAN * ∑(x) + N * MEAN^2 = ∑(x^2) - 2 * ∑(x)^2/N + ∑(x)^2/N =
71. ## Math

a simple Model (model 1)of distance,d meters,fallen in time t seconds by free-fall skydiver is d(t)=4.9t^2 a. sketch the model b. a different model (model 2) for the distance travelled by a skydiver is d(t)=4.9t^2-0.1t^2.sketch a graph of this function
72. ## statistics

A certain type of dvd player is sold at just two stores. 30% of sales are from store A and 70% of sales are from store B. 2.7% of the dvd players sold at store A are defective while 3.7% of the dvd players sold at store B are defective. If Kate receives
73. ## computers

discuss several ways computers are integrated into our business and personal lives?
74. ## Chem 1

In this website, winter.group.shef.ac.uk/vsepr/isomers.html Does model (A) have the most interactions... leaving model C to least reactions? The way I read it is that model C has the most interactions and model A has the least (overall); therefore, the
75. ## Science

What are the advantages and disadvantages of Mathematical model - disadvantage: it often cannot account for all possible factors Advantage to a mathematical model is it can be applied to categories of any size and can predict complex events Physical Model
76. ## computers

You have been hired by a small company to network six computers in one small office that will be connected directly to the Internet. The company president wants a cost effective solution that will prevent hackers from accessing the gaining access to the
77. ## computers

I have 2 children 9 and 10 yr old I am trying to find ways to teach them about different aspects of computers.Any book worksheets or website ideas
78. ## introduction to computers

Which type of high speed memory is common to almost all personal computers? a)L1 b) L2 c)L3 d)L4 is a) correct answer?thank you
79. ## introduction to computers

Which type of high speed memory is common to almost all personal computers? a)L1 b) L2 c)L3 d)L4 is a) correct answer?thank you
80. ## computers

computers are classified by price, processing speed, capacity, and
81. ## technology

Why computers manufacturers constantly are taking out computers more faster?
82. ## computers

Which of the following devices allows a computer to communicate with other computers via the phone lines?
83. ## computers

How does a computers benefit from having all in one computer security systems installed?
84. ## Technology

If you want to teach whole classes how to use computers, where is the best place to locate the computers?
85. ## computers

Suppose Fred's Computers advertises that their new computer comes with exactly 1,200 megabytes of RAM in main memory. Why is this unlikely to be true?
86. ## computers

Scenario: You have been employed as the IT Director for the ABC Company. The company comprises 15 employees and it has not upgraded its computer system since 1996. Project: The President of the Company has asked you to replace the computers in every
87. ## math

one sixth of five dozen computers were shiped how many were not shiped b what was the ratio of computers were shipped to those that were not shipped c what percent of computers were shiped
88. ## Basic Operations and Bussiness Basics

A store owner buys supplys from a vender for \$8,450. The terms of sale are 2/10, n/30.What will be the net amount due if the owner pays the bill by the 10th day after he receives the supplies?
89. ## math

a store owner buys supplies from a vendor for \$8,450. The terms of the sale are 2/10, n/30. What will be the net amount due if the owner pays by the 10th day after he receives the supplies

91. ## computers

what can be done using computers in medical billing and coding and nursing.
92. ## Math

A store owner buys supplies from a vender for 8,450. The terms of sale are 2/10, n/30. What will be the net amount due if the owner pays the bill by the 10th day after he receives the supplies?
93. ## Math

a store owner buys supplies from a vendor for \$8,450. the terms of sale are 2/10, n/30. what will the net amount due be if the owner pays the bill by the 10th day after he receives the supplies?
94. ## statistics and probability

A shipment of 20 computers contains 4 defective machines.Two computers are selected at random without replacement and tested for being detective. (a). is this a binomial experiment? why or why not solution. Yes. because each trial can result in just two
95. ## computer

what is the cost: performance: reliability: size: installed in numbers: of super computers, main frame, personal computers and PDA'S ?
96. ## Statistics

A manufacturer makes two models of an item: model I, which accounts for 80% of unit sales, and model II, which accounts for 20% of unit sales. Because of defects, the manufacturer has to replace (or exchange) 10% of its model I and 18% of its model II. If
97. ## Statistics

A manufacturer makes two models of an item: model I, which accounts for 80% of unit sales, and model II which accounts for 20% of unit sales. Because of defects, the manufacturer has to replace (or exchange) 10% of its model I and 18% of model II. If a