# mia

Popular questions and responses by mia
1. ## Economics (45)

The 2003 Statistical Abstract of the United States reported the percentage of people 18 years of age and older who smoke. Suppose that a study designed to collect new data on smokers and nonsmokers uses a preliminary estimate of the proportion who smoke of

2. ## Economics (40)

A market research firm conducts telephone surveys with a 42% historical response rate. What is the probability that in a new sample of 400 telephone numbers, at least 150 individuals will cooperate and respond to the questions? In other words, what is the

3. ## Economics (39)

Suppose a random sample of size 40 is selected from a population with = 9. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate). a. The population size is infinite (to

4. ## Chemistry

1. Calculate the pH for each of the following cases in the titration of 25.0 mL of 0.240 M pyridine, C5H5N(aq) with 0.240 M HBr(aq): (a) before addition of any HBr (b) after addition of 12.5 mL of HBr (c) after addition of 22.0 mL of HBr (d) after addition

5. ## STATISTICS

According to Masterfoods, the company that manufactures M&M’s, 12% of peanut M&M’s are brown, 15% are yellow, 12% are red, 23% are blue, 23% are orange and 15% are green. Compute the probability that two randomly selected peanut M&M’s are both blue.

6. ## college chemistry

solid diarsenic trioxide reacts with Flourine gas to produce liquid arsenic pentaflouride and oxygen gas. Write the Qc for this reaction

7. ## statistics (7)

The average cost per night of a hotel room in New York City is \$273 (SmartMoney, March 2009). Assume this estimate is based on a sample of 45 hotels and that the sample standard deviation is \$65. a. With 95% confidence, what is the margin of error (to 2

8. ## Math help algebra

You have a gift card for your favorite clothing store for the amount of \$60. You have found a shirt you want to buy that costs \$15. If you don't want to spend more than the amount of the gift card, which of the following inequalities could be used to

9. ## Accounting

NOTE: I NEED HELP WITH THESE 10 QUESTIONS,IT IS AN EMERGENCY PLEASE! Use the following information to answer questions 1-4. The Bayside Company uses the LIFO cost flow method to value inventory. In the current year, profit at Bayside is running unusually

10. ## Calculus

A baseball team plays in a stadium that holds 68000 spectators. With the ticket price at \$11 the average attendence has been 27000. When the price dropped to \$10, the average attendence rose to 34000. Assume that attendence is linearly related to ticket

11. ## World Geo, Help pls

Please help!!! Which of the following is not true about Aborigine culture? (1 point) It is the oldest surviving culture on Earth. Traditional Aborigine societies formed agricultural settlements. Aborigines do not believe that land belongs to humans.

12. ## Economics (37)

According to the Sleep Foundation, the average night's sleep is 6.8 hours (Fortune, March 20, 2006). Assume the standard deviation is .7 hours and that the probability distribution is normal. a. What is the probability that a randomly selected person

13. ## World History

Why did the Zimmermann telegram convince the United States to change its isolationist stance? It claimed that the United States was going to be attacked by Russia. It offered US territory to Mexico if Mexico aided in the German war effort. It called

14. ## Economics (36)

For borrowers with good credit scores, the mean debt for revolving and installment accounts is \$15,015 (BusinessWeek, March 20, 2006). Assume the standard deviation is \$3,730 and that debt amounts are normally distributed. a. What is the probability that

15. ## Statistics (45)

In developing patient appointment schedules, a medical center wants to estimate the mean time that a staff member spends with each patient. How large a sample should be taken if the desired margin of error is two minutes at a 95% level of confidence? How

16. ## S.S Japan

Which statement best describes Yokohama? (A) Yokohama is an ancient political center. (B) Yokohama is a rural farm village. (C) Yokohama is a large crowded city. (D) Yokohama is an important mining town. i think b.

17. ## Chemistry

The mechanism for the reaction described by NO2(g) + CO(g) ---> CO2(g) + NO (g) is suggested to be (1) 2NO2(g) --->(k1) NO3(g) + NO (g) (2) NO3(g) +CO(g) --->(k2) NO2(g) + CO2(g) Assuming that [NO3] is governed by steady-state conditions, derive the rate

18. ## Math

The length of a track around a football field is 1/4 mile. How many miles do you walk if you walk 2 3/4 times around the track?

19. ## Chemistry

The mechanism for the reaction described by 2N2O5(g) ---> 4NO2(g) + O2(g) is suggested to be (1) N2O5(g) (k1)--->(K-1) NO2(g) + NO3(g) (2) NO2(g) + NO3(g) --->(K2) NO2(g) + O2(g) + NO(g) (3) NO(g) + N2O5(g) --->(K3) 3NO2(g) Assuming that [NO3] is governed

20. ## World History

What stopped the advance of the North Korean army on August 4, 1950? General MacArthur landed in the Bay of Inchon to push back North Korean troops. American forces pushed North Korean troops north of the Yalu River. United Nation forces defeated the North

21. ## trig

A certain species of tree grows an average of 0.5 cm per week. Write an equation for the sequence that represents the weekly height of this tree in centimeters if the measurements begin when the tree is 800 centimeters tall?

22. ## math

tatiana is planting a gadern with an area of 25 square feet. what could the length and width of the garden be?

23. ## chemistry

what is the volume of a 3.00M solution made with 122g of LiF

24. ## Chemistry

Complete and balance the equation for this reaction in basic solution? Redox reaction Cr is oxidized to CrO42– and Fe3 is reduced to Fe2...? For a particular redox reaction Cr is oxidized to CrO42– and Fe3 is reduced to Fe2 . Complete and balance the

25. ## Chemistry

What is the density of KCl at 25.00 °C if the edge length of its fcc unit cell is 628 pm?

26. ## history

Who opposed capital punishment and proposed new approaches to justice in his essay “On Crimes and Punishment”?

27. ## Accounting 1

Match each of the following characteristics that describe financial accounting, managerial accounting, both financial and managerial accounting, or neither financial nor managerial accounting. A. Financial accounting B. Managerial accounting C. Both

28. ## Math

1. Write a ratio and a percent for the shaded area (1 is shaded 0 is not shaded) 1 1 0 0 1 1 0 0 1 0 0 0 0 0 0 0 a. 1/5, 25% b. 5/16, 31.25%

29. ## Economics (42)

Consumption of alcoholic beverages by young women of drinking age has been increasing in the United Kingdom, the United States, and Europe (The Wall Street Journal, February 15, 2006). Data (annual consumption in liters) consistent with the findings

30. ## Math

Which quantity is proportional to 45⁄3? Check all that are true. Help 90⁄10 90⁄6 15⁄1 135⁄6 30⁄1

31. ## Chemistry

Assuming 100% dissociation, calculate the freezing point and boiling point of 2.45 m Na2SO4(aq). Constants may be found here sites. google. com/site/chempendix/colligative.

32. ## algebra 2a solving systems using matrices

write the system of equations represented by the matrix [0 1 2 4] [-2 3 6 9] [1 0 1 3] a: x+2y=4 -2x-3y+69=0 x+y=3 b: x+2y=4 -2-3y+6=9 x+y=3 c: y+2z=4 -2x+3y+6z=9 x+z=3 d: x+2z=4 -2x-3y+6=9 think its A

33. ## Science

A race car, moves at a constant speed around an oval track. Is the car accelerating? Why or why not?

34. ## math

what is the answer to the famous farming exression, from creative publications pre-algebra with pizzaz

35. ## Algebra 2

Your car gets 25 mi/gal around town and 30 mi/gal on the highway. a. If 50% of the miles you drive are on the highway and 50% are around town, what is your overall average miles per gallon? b. If 60% of the miles you drive are on the highway and 40% are

36. ## Math

Explain how to find 14 x 19 by breaking apart the factors into tens and ones and finding the sum of the four partial products

round 12 5/12 to the nearest whole number.

38. ## physics

A 1500 kg car traveling West at 90.0 km/h collides with a 1400 kg truck traveling North at 72.0 km/h.The two vehicles entangle after the collision and head off as one. What is the velocity of the wreckage immediately after the collision?

39. ## !math (4)

The demand function for a certain brand of CD is given by p = −0.01x^2 − 0.2x + 12 where p is the unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. The supply function is given by p = 0.01x^2 + 0.5x + 3

40. ## World History

Which option identifies the royal family that ruled the Austrian empire through much of the 19th century? Answer: Habsburg

41. ## Science

White light moves through a prism and separates into colors in the following order: red, orange, yellow, green, blue, and violet. Which of the following choices correctly describes why the violet ray is at the bottom while the red ray is at the top? Red

42. ## !math (6)

The quantity demanded x (in units of a hundred) of the Mikado miniature cameras per week is related to the unit price p (in dollars) by p = −0.2x^2 + 220 and the quantity x (in units of a hundred) that the supplier is willing to make available in the

43. ## statistics 2

In Hamilton County, Ohio the mean number of days needed to sell a home is 86 days (Cincinnati Multiple Listing Service, April, 2012). Data for the sale of 40 homes in a nearby county showed a sample mean of 80 days with a sample standard deviation of 20

44. ## World History

What was the impact of reconstructing Germany? controlling political positions led to the removal of Nazi officials from power investing in the business sectors led to a significant boost of the German economy establishing control over the German business

45. ## World History

Which event is credited with starting World War I? the attack on the Lusitania the Reichstag fire the sinking of the USS Maine the assassination of Franz Ferdinand D?

46. ## math

What is the sample space for choosing a letter from the word mathematics

47. ## !math (2)

The demand function for a certain brand of CD is given by p = −0.01x^2 − 0.2x + 10 where p is the wholesale unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. Determine the consumers' surplus if the market

48. ## Math

What is the range of this data set? 27, 5, 11, 13, 10, 8, 14, 18, 7 A. 22 B. 8.5 C. 11 D. 20

49. ## statistics 1

A study found that, in 2005, 12.5% of U.S. workers belonged to unions (The Wall Street Journal, January 21, 2006). Suppose a sample of 400 U.S. workers is collected in 2006 to determine whether union efforts to organize have increased union membership.

50. ## math (5)

Country Workshop manufactures both finished and unfinished furniture for the home. The estimated quantities demanded each week of its rolltop desks in the finished and unfinished versions are x and y units when the corresponding unit prices, in dollars,

51. ## Math - 4th grade

Draw and label the segment RT. Then what is another name for RT?

52. ## Math

in recent year, the world production of wheat was about 5.2 *10^8 metric tons. Canada produced 1/25 of this wheat. about how much wheat did Canada produce?

53. ## math

How much more do you spend by purchasing luxury items from the table below? item cost name brand jeans \$35.95 store brand jeans \$19.95 store brand sneakers \$15.98 name brand sneakers \$34.65 store brand shirt \$9.40 name brand shirt \$15.30 name brand socks

54. ## Social Studies

While credit is all or part of an amount a borrower may use, debt is

55. ## math

What is 1.07 x 10 to the 4th power in standard form?

56. ## science

Hi. One of my science vocab words is paradigm. The definition is a model that provides a framework for interpreting observations. Okay, so I have that definition memorized, but the book doesn't provide any specific examples of paradigms, so I don't REALLY

57. ## social studies

What became a challenge for humans when adopting an agricultural lifestyle?

58. ## science

in which biome would you find the main types of plant life to be grasses and nonwoody plants A.Desert B.Savanna C.Tundra D.Mountains my answers B

59. ## Chemisrty

How many grams of KClO3 must react to form 42.0 mL?

60. ## Chemistry

The following chemical reaction takes place in aqueous solution: MnBr2(aq) + 2KOH (aq) → Mn(OH)2 (s) + 2KBr (aq) Write the net ionic equation for this reaction.

61. ## Language

In witch situation is it best to observant A. crossing the street B. Listening to music C. Eating lunch D. Folding cloths Please help as soon as possible

62. ## History

What was the goal of the lend-lease act.

63. ## math

A scale drawing of a kitchen is shown below. The scale is 1 : 20. A rectangle is shown. The length of the rectangle is labeled 4 inches. The width of the rectangle is labeled 5 inches. Show your work to determine the area of the room in square feet

64. ## Chemistry

A chemist must prepare 500 ml of 9.00uM aqueous mercury(II) iodide working solution. He'll do this by pouring out some 81.0 umol/L aqueous mercury(II) iodide stock solution into a graduated cylinder and diluting it with distilled water. Calculate the

65. ## Accounting 7

Noteworthy, Inc., produces and sells small electronic keyboards. Assume that you have the following information about Noteworthy’s costs for the most recent month. Depreciation on factory equipment \$800 Depreciation on CEO's company car \$100 Speakers

66. ## Statistics (42)

A simple random sample of 60 items resulted in a sample mean of 96. The population standard deviation is 16. a. Compute the 95% confidence interval for the population mean (to 1 decimal). ( , ) b. Assume that the same sample mean was obtained from a sample

67. ## Math

The Ice-Cream Palace's sundaes include 1 cup of ice-cream, 2 ounces of chocolate syrup, and 1 ounce of sprinkles. How many ounces of ingredients do the sundaes contain?

68. ## Math emergency I have 10 minutes to submit it.

A supplier of portable hair dryers will make x hundred units of hair dryers available in the market when the unit price is p = sqrt(81 + 1.6x) dollars. Determine the producers' surplus if the market price is set at \$11/unit. (Round your answer to two

69. ## math

estimate of 6/10 + 7/12

70. ## Statistics (38)

Many drugs used to treat cancer are expensive. BusinessWeek reported on the cost per treatment of Herceptin, a drug used to treat breast cancer (BusinessWeek, January 30, 2006). Typical treatment costs (in dollars) for Herceptin are provided by a simple

71. ## Social Studies

The MOST LIKELY location of the Inaugural Address was in what country? a. Ghana b. India c. Rwanda d. South Africa

72. ## STATISTICS

From a group of 12 people, you randomly select 3 of them. Find the probability that at least one of them is among the 3 oldest people in the group

73. ## economics (4)

Assume that the following data describe the condition of the banking system: Total reserves \$200 billion Transactions deposits \$800 billion Cash held by public \$400 billion Reserve requirement 0.20 By how much could the banks increase their lending

74. ## math (5)

The monthly profit (in dollars) of Bond and Barker Department Store depends on the level of inventory x (in thousands of dollars) and the floor space y (in thousands of square feet) available for display of the merchandise, as given by the equation below.

75. ## Physics

A 3.00 watt electric motor is plugged into an electrical outlet. It takes the motor 30.00 seconds to lift a mass of 254.9 g a distance of 10.00 cm. In that time, the motor has used 90.00 J of energy. Assuming no energy leaves the system, how much heat has

76. ## Math

Find the domain of the function. Write your answer in interval notation. (If you need to enter ∞ or -∞, type INFINITY or -INFINITY.) h(u,v) = sqrt(4-u^2-v^2) u^2+v^2 = ?

77. ## Chemistry

A student needs to analyze a mixture containing an alcohol and a ketone by silica gel tlc. Consult the table of solvent polarities above and suggest a likely developing solvent. Explain

78. ## Social Studies

What major advantage did the colonists have over the British during the Revolutionary War? A. colonists had more supplies than the British B. colonists had European support C. colonists had a better knowledge of the land than the British D. colonists had

79. ## Math

A survey of 59 customers was taken at a bookstore regarding the types of books purchased. The survey found 36 customers purchased mysteries, 28 purchased science fiction, 21 purchased romance novels, 15 purchased mysteries and science fiction, 12 purchased

80. ## Math

A triangle is dilated with the center of dilation at point U. Point E is a vertex of the triangle and point E' is the corresponding vertex of the image. If UE=2 centimeters and U'E'=10 centimeters, what is the scale factor? A. -5.0 B. -0.2 C. 0.2 D. 5.0***

81. ## Physics

Two rubber bands pulling on an object cause it to accelerate at 1.6 m/s2. (a) What will be the object's acceleration if it is pulled by six rubber bands? (b) What will be the acceleration of six of these objects glued together if they are pulled by two

82. ## Accounting 1

Match each of the following characteristics that describe financial accounting, managerial accounting, both financial and managerial accounting, or neither financial nor managerial accounting. A. Financial accounting B. Managerial accounting C. Both

83. ## Statistics (39)

Suppose a random sample of size 40 is selected from a population with = 9. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate). a. The population size is infinite (to

84. ## Physics

A cannonball is fired horizontally from the top of a 63 m high cliff. It lands on an invading ship that is 430 m away from the base of the cliff. At what speed was the cannonball launched? A) 120 m/s B) 33 m/s C) 17.5 m/s

85. ## STATISTICS

From a group of 12 people, you randomly select 3 of them. Find the probability that at least one of them is among the 3 oldest people in the group

86. ## american history

what was the name given to the confederate cavalry?

87. ## Economics (7)

Assume that a \$1,000 bond issued in 2012 pays \$100 in interest each year. What is the current yield on the bond if it can be purchased for Instructions: Enter your responses as a percent rounded to one decimal place. (a) \$1,200? Yield on \$1,200 bond is =

88. ## Statistics (46)

The 2003 Statistical Abstract of the United States reported the percentage of people 18 years of age and older who smoke. Suppose that a study designed to collect new data on smokers and nonsmokers uses a preliminary estimate of the proportion who smoke of

89. ## Math

Jordan drove for 6 hours at 55 miles per hour, while Matt drove for 3 hours at 60 miles per hour. If Isaac drove 82 miles longer than Jordan and Matt drove combined, for how many miles did Isaac drive? (Hint: Rate × Time = Distance)

90. ## Physics question

Paleontologists estimate that if a Tyrannosaurus rex were to trip and fall, it would have experienced a force of approximately 260,000 N acting on its torso when it hit the ground. Question 1 Assuming the torso has a mass of 3800 kg , find the magnitude of

91. ## government

Why did the framers of the Constitution fear 'excessive democracy'? In what ways were the framers able to limit its influence on the structure of government?

92. ## Physics

A truck speed increases uniformly from 10 m/s to 30 m/s in 20 seconds. Find the ff: a. average speed b. acceleration c. distance covered during the period

93. ## Math (6)

The formula below gives the surface area S of a human body (in square meters) in terms of its weight W (in kilograms) and its height H (in centimeters). S = 0.007184(W^0.425)(H^0.725) Compute SW and SH when W = 100 kg and H = 180 cm. SW = ? SH = ? NOTE: I

94. ## !math (1)

The demand function for a certain make of replacement cartridges for a water purifier is given by the following equation where p is the unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. p = -0.01x^2 - 0.1 x +

95. ## History

which event led to united states involvement in world war 2 A. the Japanese attacked pearl harbor B. the axis powers waged war C. the allies invaded Normandy D. U.S allies were being attacked

96. ## MATH

DANI NEEDS 8 EQUAL SECTIONS FROM A BOARD THAT IS 13 METERS LONG. WHICH OF THE FOLLOWING DOES NOT PRESENT THE LENGTH OF 1 SECTION OF THE BOARD

97. ## Physics

A 50.0-kilogram skydiver jumps from an airplane and is in freefall for 20 seconds. Immediately before she opens her parachute, her kinetic energy is 78,400 joules. If the amount of heat her motion transferred to her surroundings during freefall was 884,000

1. Twelve months ago, Donnie bought shares of stock in a Biotechnology Company for \$25 per share. If the shares are now selling for \$30 per share, what is the percent of the increase in the value of the stock? 2. Last month, Curtis bought a new mountain