Questions Asked on
June 22, 2013

statistics
The customer bills in a family restaurant are normally distributed. The bills mean is $28 and has a standard deviation of $6. a. Identify what the random variable you are measuring is in this problem. b. What is the probability that a randomly selected
asked by James 
math
a sum of Rs.8000 generates Rs.1261 as compounded interest in 03 years interest compounded annually. The rate of compound interest is
asked by Anonymous 
Physics
A cook puts 7.20 g of water in a 2.00L pressure cooker that is then warmed to 530°C. What is the pressure inside the container? (Assume room temperature is 20°C.)
asked by Josie 
Accounting
Zeke Company is a manufacturing company that has worked on several production jobs during the 1st quarter of the year. Below is a list of all the jobs for the quarter: Balance Job 356 $ 450 Job 357 $1,235 Job 358 $ 378 Job 359 $ 689 Job 360 $ 456 Job 356,
asked by Anonymous 
Math
Molly Ellen, bookkeeper for Keystone Company, forgot to send in the payroll taxes due on April 18. She sent the payment November 8. The IRS sent her a penalty charge of 8% simple interest on the unpaid taxes of $5,900. Calculate the penalty. (Remember that
asked by Lulu 
Calculus 2
A tank is full of water. Find the work W required to pump the water out of the spout. (Use 9.8 for g and 3.14 for π. If you enter your answer in scientific notation, round the decimal value to two decimal places. Use equivalent rounding if you do not
asked by Liz 
Algebra 2
y varies jointly as x and z, and y=98/3 when x=2 ans z=7. Find y when x=7 and z=3. Options: A: y=7/3xz; 49 B: y=6/7xz; 18 C: y=14/3xz; 98 D: y=3/7xz; 9
asked by Stacie 
business
Catherine borrowed $19,000 on June 20, at 10% interest. If the loan was due on September 17, what was the amount of interest on the loan using the exact interest method? (Round to the nearest cent) (Points : 2) $500.01 $273.06 $463.00 $463.29
asked by Anonymous 
Physics
A seesaw is 4 meters long and is pivoted in the middle. There is a 350 N child on the left end. Where will a 540 N person have to sit to balance the seesaw?
asked by Ann 
Math (Geometric Progression)
5 distinct positive reals form an arithmetic progression. The 1st, 2nd and 5th term form a geometric progression. If the product of these 5 numbers is 124 4/9, what is the product of the 3 terms of the geometric progression? Note: The phrase "form an
asked by Shin 
Physics
A block of mass m1 is on top of a block of mass m2. Block 2 is connected by an ideal rope passing through a pulley to a block of unknown mass m3 as shown. The pulley is massless and frictionless. There is friction between block 1 and 2 and between the
asked by XYZ 
business math
. Pamela Mello is paid on an incremental commission schedule. She is paid 2.6% on the first $60,000 and 3.4% on any sales over $60,000. If her weekly sales volume was $89,400, what was her total commission? (Points : 3)
asked by douny 
math
Varsity Press, a publisher of college textbooks, received a $70,000 promissory note at 12% ordinary interest for 60 days from one of its customers, Reader’s Choice Bookstores. After 20 days, Varsity Press discounted the note at the Grove Isle Bank at a
asked by brad 
Math
The image of the public library is constantly changing, and their online services continue to grow. Usage of the library's home page grew by 17% during the past 12 months. It has been estimated that the current average length of a visit to the library's
asked by JACKIE 
math help
Sorry if this has been posted twice, but we have tried this numerous times and can not work it. Due in the morning. Suppose that a hypothesis test is to be carried out by using á = 0.05. What is the probability of committing a type I error? (Give your
asked by JACKIE 
math
You are the accountant for Suite Dreams, a retail furniture store. Recently, an order of sofas and chairs was received from the manufacturer with terms of 3/15, n/45. The order amounted to $230,000, and Suite Dreams can borrow money at 13% ordinary
asked by brad 
math
How large a sample should be taken if the population mean is to be estimated with 95% confidence to within $75? The population has a standard deviation of $898. (Round you answer up to the nearest whole number
asked by Tommy8 
physics
Two construction workers each of mass m raise themselves on a hanging platform using pulleys as shown above. If the platform has a mass of 0.5m, the initial distance between the pulleys and the platform is d, and the workers each pull with a force f on the
asked by XYZ 
chemistry
Calcium oxide and carbon are reacted to produce carbon monoxide and calcium carbide CaC2. When one mole of calcium carbide is formed, 464.8kJ is absorbed. Write a thermochemical equation for this reaction.
asked by Jill 
phyisics
If approximately 70% of the Earth's surface is covered with water, what is the order of magnitude for the number of raindrops in the world's oceans?
asked by shyam 
physics
A 2.0mtall, 30cmdiameter concrete column supports a 3.0×105kg load. By how much is the column compressed (in mm) ?
asked by Kate 
chemistry
Calcium oxide and carbon are reacted to produce carbon monoxide and calcium carbide CaC2. When one mole of calcium carbide is formed, 464.8kJ is absorbed. What is the enthlapy of reaction when 1.00g of calcium carbide is formed?
asked by Jill 
chemistry
Calcium oxide and carbon are reacted to produce carbon monoxide and calcium carbide CaC2. When one mole of calcium carbide is formed, 464.8kJ is absorbed. How many grams of carbon are used up when 20.00kJ of heat is absorbed?
asked by Jill 
physics
Noah wants to swim across a river 10 m wide, flowing from north to south. He swims so his velocity with respect to the river is 2 m/s due east, and the river moves at 4 m/s. How far downstream in m from his starting point will he reach the other side?
asked by raja harishchandra 
statistics
What is your conclusion based on the following data? A survey was conducted to study the effects of weight loss from a low fat diet. Two random samples of 100 people each were selected. One group was put on the low fat diet and the other group on the
asked by jerry 
Math (Trigonometry [Polar Form])
Let z be a complex number such that z = 2(cos 8∘ + i cos 82∘).Then z^5 can be expressed as r(sin α∘+ i cos α∘), where r is a real number and 0 ≤ α ≤ 90. What is the value of r+α? Hint to solve: Example Question: Let z be a complex number
asked by Shin 
math check
Consider the approximately normal population of heights of male college students with mean ì = 69 inches and standard deviation of ó = 4.6 inches. A random sample of 25 heights is obtained. (b) Find the proportion of male college students whose height is
asked by Tommy7 
Algebra 2
y varies jointly as x and z, and y=98/3 when x=2 ans z=7. Find y when x=7 and z=3. Options: A: y=7/3xz; 49 B: y=6/7xz; 18 C: y=14/3xz; 98 D: y=3/7xz; 9
asked by Stacie 
Accounting
During the period, labor costs incurred on account amounted to $250,000 including $200,000 for production orders and $50,000 for general factory use. In addition, factory overhead applied to production was $23,000. From the following, select the entry to
asked by Anonymous 
math help
Consider the following. (Give your answers correct to four decimal places.) (a) Determine the level of confidence given the confidence coefficient z(á/2) for z(á/2) = 1.65. Incorrect: Your answer is incorrect. . (b) Determine the level of confidence
asked by Tommy8 
maths
In an urn, there are several colored balls, with equal numbers of each color. We add 14 balls which are all of the same new color, that is different from those in the urn. It is calculated that the probability of drawing, without replacement, two balls of
asked by Anonymous 
Math
Carol Miller went to Europe and forgot to pay her $820 mortgage payment on her New Hampshire ski house. For her 52 days overdue on her payment, the bank charged her a penalty of $23. (assume 360 days). What was the rate of interest charged by the bank?
asked by Jena 
math
Katie Chalmers borrowed money from her credit union at 13.2% simple interest to buy furniture. If the loan was repaid in 2½ years and the amount of interest was $1,320, how much did Katie borrow?
asked by Beth 
Physics
A 2.60mol sample of oxygen gas is confined to a 5.03L vessel at a pressure of 7.95 atm. Find the average translational kinetic energy of the oxygen molecules under these conditions.
asked by Josie 
physics
Noah wants to swim across a river 10 m wide, flowing from north to south. He swims so his velocity with respect to the river is 2 m/s due east, and the river moves at 4 m/s. How far downstream in m from his starting point will he reach the other side?
asked by raja harishchandra 
math
Alicia Eastman deposited $2,000 in a savings account at the Biltmore Bank paying 6% ordinary interest. How many years will it take for her investment to amount to $2,600?
asked by Tom 
Stats
1. In a study of caffeine and stress, college students indicate how many cups of coffee they drink per day and their stress level on a scale of 110. The data appear below. Number of Cups of Coffee Stress Level 3 5 2 3 4 3 6 9 5 4 1 2 7 10 3 5 = 3.88 X=
asked by Dee 
intro to chemistry
. Nitrogen is unique in that it forms no fewer than seven molecular oxides. The one of highest molar mass is dinitrogen pentoxide, N 2 O 5 , a crystalline, colorless solid made by the reaction of nitric acid (HNO 3 ) with P 4 O 10 . HNO 3 ( l ) + P 4 O 10
asked by Anonymous 
statistic of behavioral science
for each of the following, identify the exam score that should lead to the better grade. In each case, explain your answer. A score of x=56, on an exam with the mean =50 and the standard deviation of 4; or a score of x=60 on an exam with the mean=50 and
asked by Janice 
math help
Please help me on these I have lost the tables that I would need to answer them or at least the ones I think are used. Consider the following. (Give your answers correct to four decimal places.) (a) Determine the level of confidence given the confidence
asked by Tommy7 
Math
Find the equation of normal to the curve 3x^2  y^2 =8 which is parallel to the line x + 3y =4.
asked by Chockalingam 
Physics
A tie bar is made of a material having a tensile strength of 231MPa and has to carry a load of 225kN. What is the diameter of the bar if a factor of safety of 7 is applied? Where do I begin?
asked by Danny 
Business math
Compute the rate for the following loan. Round your answer to the nearest tenth of a percent. Principal $50,000 Rate (%) Time 9 months Interest $4,500
asked by Tee 
Business Math
Abe Wolf bought a new kitchen set at Sears. Abe paid off the loan after 64 days with an interest charge of $12. If Sears charges 9% interest. What did Abe pay for the kitchen set (assume 360 days
asked by Anna 
math stats
Set up the null and alternative hypothesis for the following problem. A survey reported the planning habits of men and women. The question asked, "how do you primarily keep track of meetings, appointments and deadlines?" 56% of men and 46% of women
asked by jerry 
Math Algebra 1A
How do you type the time measured in years when it involve the year 1995?
asked by Kim 
chemistry
balance the equations 1)Mg3N2+N2+H2O=Mg(OH)2+NH3 2)KMnO4+H2S+H2SO4=KHSO4+H2O+MnSO4 3)AS2O3+SnCl2+HCL=SnCl4+AS+H2O
asked by vishal 
math
11. Universal Exporting has three warehouse employees: John Abner earns $422 per week, Anne Clark earns $510 per week, and Todd Corbin earns $695 per week. The company’s SUTA tax rate is 5.4%, and the FUTA rate is 6.2% minus the SUTA. As usual, these
asked by douny 
plsheeeeeeeeeeelp math
Find the largest possible number of distinct integer values {x_1,x_2,…,x_n}, such that for a fixed reducible degree 4 polynomial with integer coefficients, f(x_i) is prime for all i?
asked by lin 
maths
How many ways are there to write 2000 as the sum of powers of 2 with nonnegative exponents, where each power is used at most twice?
asked by Anonymous 
Physics
What is the factor of safety of a steel hanger having an ultimate strength of 550.000MPa and supporting a load of 64000.000N. The steel hanger in question has a cross sectional area of 7.600cm^2 ANS= Round to 3 decimal places Safety factor = design load/
asked by Danny 
statistics
How is the Pvalue used to determine whether or not to reject the null hypothesis?
asked by jerry 
statistics
A store manager claims that the average age of his customers is less than 40 years old, while the industry average is 40 years old. He asks you to test his thinking. You collect a sample of 50 customers and found that the average age is 38.7. Assuming that
asked by jerry 
statistics
Set up the null and alternative hypothesis for the following problem. A survey reported the planning habits of men and women. The question asked, "how do you primarily keep track of meetings, appointments and deadlines?" 56% of men and 46% of women
asked by jerry 
Ethics/323
How should I start my paper?
asked by Kimberley 
Networking
how many broadcast domains are present in a network with three switches and three routers
asked by Cisco 
Physics
What is the factor of safety of a steel hanger having an ultimate strength of 550.000MPa and supporting a load of 64000.000N. The steel hanger in question has a cross sectional area of 7.600cm^2 ANS= Round to 3 decimal places Safety factor = design load/
asked by Danny 
world geography
1. When Australia became the federated Commonwealth of Australia in 1901, Sydney and Melbourne competed to be the capital city. A compromise was reached and _______ became the federal capital in 1928. A. Canberra B. Brisbane C. Adelaide D. Sydney 2.
asked by SUBSAHARAN AFRICA, AUSTRALIA,OCEANIA, AND ANTARTI 
Precal
Please help. I'm having a lot of trouble with solving inequalities and graphing them solve the inequality and graph the solution on the real number line x^2+x6/x I got SS: infinity to 3 including 3 union 2 to infinity including 2 is that right?
asked by Abi 
bio chemistry
Relate membranes to energy metabolism, redox reactions, and ATP synthesis in both eukaryotic and prokaryotic cells.
asked by Anonymous 
math help and check
Consider the following. (Give your answers correct to two decimal places.) (a) Determine the value of the confidence coefficient z(á/2) for 1  á = 0.87. .44 my answer (b) Determine the value of the confidence coefficient z(á/2) for 1  á = 0.91. .45
asked by Tommy7 
math
Consider the following. (Give your answers correct to four decimal places.) (a) Determine the level of confidence given the confidence coefficient z(á/2) for z(á/2) = 1.65. Incorrect: Your answer is incorrect. . (b) Determine the level of confidence
asked by JACKIE 
Math (Trigonometry)
θ is an acute angle such that tan(θ)=1/4. What is the value of 17√17*(sinθ+cosθ)?
asked by Shin 
Statistics
There were two independent groups who took a school course by different modes. The first sample of students took the course in the online and the second sample took the course in the conventional face to face mode. Using the sample data determine if there
asked by Leah 
maths
The number (27+200^1/2)^1/2 can be simplified to the form a+b√, where a and b are positive integers. Find the product ab.
asked by raja harishchandra 
chemistry
what is evidnece that cathode rays are part of matter?
asked by vishal 
math help
Consider the following. (Give your answers correct to two decimal places.) (a) Determine the value of the confidence coefficient z(á/2) for 1  á = 0.87. (b) Determine the value of the confidence coefficient z(á/2) for 1  á = 0.91. can someone just
asked by Tommy8 
math check
Consider the following set of data. Pairs 1 2 3 4 5 Sample A 2 8 7 9 2 Sample B 7 8 1 1 8 Find the standard deviation sd of the paired differences. (Give your answer correct to two decimal places.) My answer was 5.00.
asked by Tommy8 
math
Euromart Tile Company borrowed $40,000 on April 6 for 66 days. The rate was 14% using the ordinary interest rate method. On day 25 of the loan, Euromart made a partial payment of $15,000, and on day 45 of the loan, Euromart made a second partial payment of
asked by brad 
Science
A picture os the salor sysmty
asked by Alice 
Accounting
prepare the necessary journal entries to clear the intangible asset account for separate intangible assets, other types of assets,and expenses indicated by the transactions
asked by Anonymous 
Math
If P^2  0.037 = 0; Find the value of P.
asked by Chockalingam 
statistics
Calculate p ̅. x1 20 n1 50 x2 55 n2 100
asked by jerry 
Chem
Which element from Groups 8 through 10 is used to separate H2 from other gases?
asked by Anonymous 
English
How to use a Buffer in a sentence, foe delivering bad news?
asked by Linda 
math stats
Calculate p ̅. x1 20 n1 50 x2 55 n2 100
asked by jerry 
Math
I am a morethan of 30 but less than 35 I am multiple of 2 the sum of my digit is 7? Who am i
asked by Stephanie 
math
what numbers simplify in to 7
asked by jodie 
algebra
Let U = {1, 2, 3, 4, 5, 6, 7}, A = {1, 2, 3, 4}, B = {1, 2, 5, 6}, and C = {3, 5, 7}. List all the members of the given set. (Enter your answers as a commaseparated list.)
asked by dani 
Algebra
A line passes through the points (10, 4) and (1, 2). What is the slope of the line that passes through the two points? I keep getting lost in the middle.
asked by Korie 
chemistry
calculate the equilibrium vapor pressure of napthalene of c10h8 innthe flask at 35 degrees celsius?
asked by Anonymous 
physics
Optical fibers are devices used for guiding light in many applications, most notably for fast communication. A fiber consists of a glass cylinder surrounded by a wall covered in a special coating. The fibers work on a principle called total internal
asked by anonymous 
chemistry
1)why bohr orbit are called stationary orbit? 2)what do you mean by saying energy of electron is quantised?
asked by vishal 
chemistry
1)why bohr orbit are called stationary orbit? 2)what do you mean by saying energy of electron is quantised?
asked by vishal 
English
1. I won the piano contest. 2. I got the piano contest. 3. I won first place in the piano contest. 4. I got first place in the piano contest. (Are they all grammatical? Are they the same?)
asked by rfvv 
Psychology
Please help me: explain why individualistic and collectivistic cultures differ in their tendency to make the fundamental attribution error in. Please 80 to 100 words, Thank you in advance.
asked by Anonymous 
maths
The number (27+200^1/2)^1/2 can be simplified to the form a+b√, where a and b are positive integers. Find the product ab.
asked by raja harishchandra