
ap statistics
In hypothesis testing, β is the probability of committing an error of Type II. The power of the test, 1  β, is then: A. the probability of failing to reject H0. B. the probability of rejecting H0 when HA is true C. the probability of failing to reject
asked by emma on April 24, 2014 
AP Physics
Hi, please help me solve these questions for my class. I have so much homework A car traveling at 17 m/s accelerates at 3.3 m/s2 for 16 seconds. To the nearest meter how far does it travel? To the nearest tenth of a m/s, what is the final velocity of the
asked by Leslie on September 3, 2009 
Percent Composition
I figured out this percent composition problem and I got REALLY close answers, so I wanted to check in with someone to confirm if this is right. Which is the better ore for mining Aluminum: Either Al2(CO3)3 or AlPO4? For me the first one was the better
asked by Jenn on April 21, 2009 
Percent Composition
I figured out this percent composition problem and I got REALLY close answers, so I wanted to check in with someone to confirm if this is right. Which is the better ore for mining Aluminum: Either Al2(CO3)3 or AlPO4? For me the first one was the better
asked by Jenn on April 21, 2009 
proof by mathematical induction
subject is PreCalulus. 2^(k+3) = and < (k+3)! i know how to do proving using mathematical induction when its just an equal sign, but I don't understand what to do when its an inequality. thank you!!! Here is what I would do Step 1: check if it is true for
asked by Cait on January 5, 2007 
Physic please help!
A wavelength of 625 nm is used in a Young's doubleslit experiment. The separation between the slits is d = 1.3 105 m. The total width of the screen is 0.20 m. In one version of the setup, the separation between the double slit and the screen is LA = 0.35
asked by Mary on November 14, 2007 
Chemistry
In the reaction 2H2S + 3O2 > 2SO2 +2H2O, the oxidizing agent is 1.oxygen 2.water 3.sulfur dioxide 4.hydrogen sulfide oxygen?
asked by Alexis on March 21, 2011 
Chemistry
Write the equation for the reaction of iron and oxygen. Label the oxidizing reagent, the reducing agent, the reduced element, and the oxidized element.
asked by Tammy on June 18, 2016 
math
messed up on last question. heres the actual one. Aretha has $0.85 in nickels and dimes. She has 2 more nickels than dimes. How many nickels and imes does she have? Need a formula for this problem. These word problems are so hard. Help please! I may have
asked by Larry on September 28, 2008 
math
I was asked to deduce the values of a,b, and c for the parabola y= ax^2 + bx +c. There are 4 clues given: 1. the yintercept is (0,6) 2. The curve goes through (4,5) 3. The curvev has a turning point at (2,3) 4. the line of symmetry is x=1 Questions: It is
asked by Dyan on March 3, 2010 
World History
Several factors contributed to the fall of the Roman Empire. Rome was experiencing an internal financial crisis due to overspending on wars (1). Rome also suffered losses to invading tribes including the Persian Empire, which successfully sacked Rome in AD
asked by malia on October 2, 2017 
Math
1.You roll a number cube numbered one to six 12 times. P(5) = two over three. What type of probability is illustrated and why? (1 point) experimental; the result is based on the number of possible outcomes experimental; the result is found by repeating an
asked by jai on May 18, 2016 
Algebra Middle
My math question ask is 1/3(x9) = 2x+7 greater than or less than 4/3(x+4)= 4x. The problem (1) answer = 6. Problem (2) answer = 1. Therefore problem (2) is less than problem (1). Are the answer to the equations correct. Sincerely
asked by Kyle on January 14, 2015 
Algebra
Hi! My name is Jason... today I have 2 problems for you both having to deal with Algebra. My questions are ::: Question 1 :: Direction: Find the degree of the polynomial. Problem:  1 + 8 x ^ 4  x ^ 2 (negative 1 plus 8x squared minus x squared) Question
asked by Jason on August 20, 2007 
Religion.... I think you will know this.....
Today my class got in trouble for talking so my teacher made us do 3 questions.... She said the answers are not in our book so I need help... Thanks so much!!! 1. What is Jesus's race? 2. Who was the ceasor (I don't know if "ceasor" is spelled correctly)
asked by Mike on October 20, 2008 
Physical Science Question 1
If no friction acts on a diver during a dive, then which of the following statements is true? A.The total mechanical energy of the system increases. B.Potential energy can be converted into kinetic energy but not vice versa C.(KE+ PE)beginning = (KE +
asked by Liz on June 12, 2006 
American History
If at all possible can some one please check my answers? Thank you in advance for you assistance. Which of the following statements about the Southern planter's world is most accurate? My answer: B. Most great planters of the Old South were selfmade men.
asked by Tonya on February 7, 2014 
American Government
Which is NOT true of the segregation laws passed after the Civil War? My answer is 3. 1.)They prohibited interracial marriage. 2.)They did not only apply to blacks. 3.)They were only in the South. 4.)All of these statements are true.
asked by Mackenzie on February 13, 2012 
Music
I have a couple of questions... 1. I have to transpose a musical piece that is in B flat. I need to move it up a major 3rd from that. What key would that be in? 2. I have questions about diminishing intervals as well. Please help.
asked by Katie Bunting on November 29, 2006 
chem
Use the balanced equation, N2 + O2 > 2NO, to answer the following questions... A) How many grams of NO are formed from 10.0g of N2? I really don't know how to do this, so please show work so i know. There are more questions to this question but i want to
asked by Michael on May 12, 2015 
Math and Science for young Children
Predictable student responses are likely during: A. narrow questions. B. openended questions. C. initiating activities. D. observational skills. is B the right answer
asked by Tonya on January 10, 2016 
math
Test these conjectures. Give three examples. Explain if the conjecture is correct or incorrect. 1. If a number is divisible by 4, it is always an even number._________________________________ 2. All multiples of 5 have a 5 in the ones
asked by lizzy on November 28, 2011 
Exponential Growth and Decay
Can somebody please check my answers? 1. Identify the initial amount a and the growth factor b in the exponential function. g(x)=14*2^x a)a=14, b=x b)a=14, b=2
asked by Sage on February 16, 2016 
math
Could someone help me solves these questions? And can you show me how you did it? I can't figure out how to do these ones... I would really appreciate any help. Questions~~ ~ 3x – 19 = 2 ~ 4x  12x = 62 + 4(11) ~ x/8 + 7 =  10 ~ 4(5x – 9) = 2(3x +
asked by Abby on September 17, 2015 
ToMs. Writeacher
I posted 2 questions under Law. Margie answered them. Can you please look at the questions and tell me if I am right? Thank you!
asked by Natasha on January 24, 2007 
7th grade Math
There are 50 questions on a test. If a 60% is considered passing, how many questions do you have to get right to pass?
asked by Chad on October 29, 2013 
business
for all questions i asked i need suggestions and websites to best find these questions
asked by sherri r on February 6, 2009 
HELP Science
1)What do we mean by opponent processing? (2 marks) How are white and yellow produced by the opponent process? (3 marks) 2)Describe how light is produced in the atom (2 marks.) Why does each atom produce only specific colours? (3 marks) 3)How does the
asked by Ann on February 2, 2018 
World History
The Roman Empire had unified the Mediterranean region on both northern and southern seacoasts (1). Following the decline of the Roman Empire, a power vacuum was filled by the Byzantine and Arab Empires (2). Under the Byzantine Empire, the region became
asked by malia on October 4, 2017 
Math
If two sides of a triangle are proportional to the corresponding sides of another triangle, then the triangles are similar. Is this Always True, Sometimes True, or Never True?
asked by Chris on October 12, 2009 
Math Help!
tan (2theta + 8) = 0.489 theta = ? i'm on my last attempt to solve this problem on my hw. I tried subtracting 8 from 0.489 then trying to find the inverse but no luck.... I got 4.245 as one of my answers,0.7267, no luck so far :(
asked by Somi on November 7, 2014 
Chemisty HELP ASAP
In this problem, your answers should be mathematical expressions involving a variable. Consider an ideal gas with an absolute temperature of T1 To what temperature would you need to heat the gas to double its pressure? T2=? I got T2=2P but it is wrong
asked by Bill on October 18, 2012 
physics
A soccer ball is kicked at an angle of 30° to the horizontal with an initial velocity of 16 m/s. How far does the soccer ball go? A. 3.8 m B. 6.6 m C. 13.3 m D. 22.6 m i used the formula vf^2(visin theta)^2 / 2g for this and solved it for 3.3m but none
asked by franz on September 30, 2014 
stats
A certain disease has an incidence rate of 0.7%. If the false negative rate is 7% and the false positive rate is 1%, compute the probability that a person who tests positive actually has the disease.
asked by john on December 9, 2017 
Probability
A certain disease has an incidence rate of 0.6%. If the false negative rate is 5% and the false positive rate is 2%, compute the probability that a person who tests positive actually has the disease.
asked by Anonymous on October 2, 2016 
Math Antics
A certain disease has an incidence rate of 0.5%. If the false negative rate is 7% and the false positive rate is 2%, compute the probability that a person who tests positive actually has the disease.
asked by Devin on December 15, 2016 
Incidence Rate Math 
A certain disease has an incidence rate of 0.6%. If the false negative rate is 5% and the false positive rate is 2%, compute the probability that a person who tests positive actually has the disease.
asked by Crooklyn on October 2, 2016 
Probability of having disease when test has false
A certain disease has an incidence rate of 0.5%. If the false negative rate is 7% and the false positive rate is 2%, compute the probability that a person who tests positive actually has the disease.
asked by Anonymous on December 14, 2016 
MATH
A certain disease has an incidence rate of 0.5%. If the false negative rate is 7% and the false positive rate is 2%, compute the probability that a person who tests positive actually has the disease.
asked by Anonymous on December 14, 2016 
STATISTICS
A certain disease has an incidence rate of 0.6%. If the false negative rate is 4% and the false positive rate is 4%, compute the probability that a person who tests positive actually has the disease
asked by Anonymous on October 8, 2016 
compute the probability that a person who tests po
A certain disease has an incidence rate of 0.3%. If the false negative rate is 6% and the false positive rate is 2%, compute the probability that a person who tests positive actually has the disease.
asked by Anonymous on December 16, 2016 
math 1st. grade
Adding Doubles just means adding the same numberr to itself. Like 2+2=4, 3+3=6, So addind doubles to 18 would be 0+0=0, 1+1=2, 2+2=4, and so forth up to 9+9=18. Maybe this will help you solve the problem. I have a work sheet that has Add Doubles to 18 with
asked by Lance on May 21, 2007 
Physics help
A plane flies 230 mph at 60 degrees north of west for 2.5 hours. Answer the following questions. A. How far did it travel total? B. How far west did it go? C. How far north did it go? D. How fast did it go west? I don't know how to do this problem :(
asked by Hannah on October 20, 2015 
Psychology
Describe how a person moves through each of the five stages of Levinger's ABC's of relationships model. As you write your description, include answers to the following questions; What do you think people look for in the attrction stage? How do people work
asked by Donna on July 17, 2008 
The Odyssey..the book
identify 3 character qualities of Odysseus that would seem to the modern mind to be unheroic. Please let us know what YOU think the answers to your questions are. Someone here will be happy to give you feedback on your work. Here are some websites that may
asked by Cherilyn on July 10, 2006 
psy202
according to your text research on adult think and behavior has found that specific childrearing practices of parents have great influence how parents feel about their children has great influence development is predictable when all children are treated
asked by kim on September 17, 2013 
Civics
Which of the following best describes the differences between propaganda and bias? A. Propaganda is used by organizations that are speaking truthfully, whereas biased articles may be true or false. B. Propaganda is intended to be persuasive, while bias
asked by Carla on May 24, 2017 
college chemistry
what theoretical yield of formaldehyde (in grams) is expected from the reaction of 44.3 g of methanol? (Assume that methanol is the limiting reactant.) Look at my response to a stoichiometric problem one question below by Kyle. Post any specific questions
asked by Jaxson on April 6, 2007 
Just some LA q's, Ms.Sue please
1. When you summarize an informational article, you should (1 point) leave out minor details. use the author's words, including direct quotations. leave out important details. include as much information as possible. 2. Why might a scientist choose to
asked by Someone on February 7, 2013 
allied health part 2
which one of the following activities is considered part of health care operations? a. reviewing the competency of health care workers b. administering a stress test c.giving a patient her prescribed medication d.recording a patient's blodd pressure and
asked by sarah on April 13, 2011 
Literature, English
Can anyone help me with this question? (: I was sick the day the class went over these questions, so I would like to have some short answers to these, to study for my quiz on Huckleberry Finn. •Does Huck need Jim as much as Jim needs Huck? •Why do Huck
asked by rhidicde on May 19, 2015 
Cultural Diversity
List two to three characteristics of Orientalism. How may Orientalism and prejudice contribute to hate crimes against these groups? These groups are Muslim and Arab Americans Check these previous answers to these questions.
asked by Anonymous on August 2, 2007 
statistics
A card is to be chosen at random from a shuffled deck. Find the probability that the card drawn is a)the queen of clubs, given that it is an honor card. (I think it is a typo) b) a red four, given that the face number is even. c) a seven, given that the
asked by Anonymous on November 7, 2007 
Science
These are some more questions, they're not multiple answers they're S.A so the questions will be first and my answers will be on the bottom. 17. Describe the difference between thermal energy and temperature. Use the following words to help structure your
asked by Annabelle Hartz on May 7, 2013 
math
True or False? 1. The product of 2 linear polynomials is quadratic 2. The sum of two cubic polynomials cannot have a degree greater than 3. 3. The sum of two cubic polynomials may have a degree less than 3. 4. The sum of a cubic and a quartic polynomial
asked by clark on October 29, 2010 
Calculus Exam
My calculus exam is on friday. I was wondering if anyone had any tips on doing well? I have severe test anxiety and it seems as though no matter how much I prepare I still do poorly. Does anyone have any suggestions for overcoming this?? I cannot afford to
asked by Hannah on December 8, 2008 
Health Information
Dr. Bob's computerized records are damaged by a power surge. Which of the following is most true? A. Dr bob isn't at fault. B. Dr Bob is at fault. C. The records custodian, but not Dr bob will be liable. D. Dr Bob is at fault unless he had proper surge
asked by Denise on October 11, 2010 
Math
You have a $250,000 mortgage. The 30 year fixed rate is 8.5%. You have had your house for ten years. You have 20 years remaining on your mortgage. The new 15year mortgage rate is 5.5%. 1) What is your mortgage payment, principal and interest on your
asked by kate on November 4, 2016 
math
Question: A student took a test composed of 20 question, with correct answers worth 2 points. If the student received 34 points for his grade, how many questions were correct? I KNOW THE ANSWER IS 17 BUT PLEASE PUT IN AN EQUATION FORM ex: (20x2)34 =
asked by paully on October 26, 2010 
algebra
the size and diameter of your pizza the two options for number of slices, including the arc length and area for both options the two options for delivery radius, including the area and equation for both options answers to the reflection questions
asked by Anonymous on May 21, 2012 
Math
Write a brief answer to each question. Provide examples. a) When is the sum or difference of two monomials a monomial? b) When is the product of two monomials a monomial? c) When is the quotient of two monomials a monomials? Plz help, the questions confuse
asked by Kayla on December 21, 2006 
Civics
Which of the following best describes the differences between propaganda and bias? Propaganda is used by organizations that are speaking truthfully, whereas biased articles may be true or false. Propaganda is intended to be persuasive, while bias expresses
asked by TombBoy23 on June 9, 2016 
help ASAP Statistic
The tests done to determine if someone is HIV positive are called Enzyme immunoassay or EIA tests. The test screens a blood sample for the presence of antibodies to HIV. Like most tests, this test is not perfect. The table below shows the approximate
asked by helen on March 17, 2014 
Statistic help ASAP Please
The tests done to determine if someone is HIV positive are called Enzyme immunoassay or EIA tests. The test screens a blood sample for the presence of antibodies to HIV. Like most tests, this test is not perfect. The table below shows the approximate
asked by Helen on March 17, 2014 
STATISTIC ****HELP****
The tests done to determine if someone is HIV positive are called Enzyme immunoassay or EIA tests. The test screens a blood sample for the presence of antibodies to HIV. Like most tests, this test is not perfect. The table below shows the approximate
asked by TIKIMA on March 18, 2014 
math,correction
Can someone correct my answers thanks. Problem #1 The equation h= 16t^2+112t gives the height of an arrow, shot upward from the ground with an initial velocity of 112 ft/s, where t is the time after the arrow leaves the ground. Find the time it takes for
asked by jasmin20 on April 6, 2007 
groundwater science
Assume that a losing stream exists in physical connection with groundwater in an isotropic unconfined aquifer. Assume that several contour lines of equal head cross the stream and intercept it. These contour lines of equal head are "Vshaped", with the
asked by dan on February 19, 2011 
marketing
The marketing manager at Massimino & McCarthy, a chain of retail stores that sells men's clothing, is reviewing marketing research data to try to determine if changes in marketing strategy are needed. Which of the following sources of data would be a
asked by rick on May 30, 2013 
Science please help
Draw Bohr diagrams of a magnesium atom bonding with fluorine atoms. Draw atoms then electron transfer and finally the ions that form. What type of bonding occurs? Draw Bohr diagrams of 2 hyrdogen atoms bonding with an oxygen atom by sharing electrons to
asked by Anonymous on March 3, 2014 
probability
In parts 1, 3, 4, and 5 below, your answers will be algebraic expressions. Enter 'lambda' for λ and 'mu' for μ. Follow standard notation. Shuttles bound for Boston depart from New York every hour on the hour (e.g., at exactly one o'clock, two o'clock,
asked by JuanPro on April 29, 2014 
Math
Could someone help me with this question? Make up a set of 7 numbers having the following landmarks: mode 21 median 24 maximum 35 range 20. 15, 21, 21, 24, 27, 29, 35 The mode (21) is the number that occurs most frequently. The median (24) is a number in
asked by Niki on November 30, 2006 
Math
Part 1: Write two conditional statements for which the converse is true. 1. Statement: 2. Converse: 3. Statement: 4. Converse: Part 2: Write two conditional statements for which the converse is false. 5. Statement: 6. Converse: 7. Statement: 8. Converse:
asked by Kathy on January 19, 2011 
statistics
A test consists of 5 multiple questions each of which 3 answers are given, only 1 of which is correct.for each correct answer a candidate gets 2 marks but loses 1 mark for each incorrect answer.draw up table to show all possible marks and a probability
asked by faith on September 22, 2016 
math
I have no idea where to start! *A quick quiz consists of 3 multiple choice problems, each of which has 4 answers, only one of which is correct. If you make random guesses on all 3 problems, (a) What is the probability that all 3 of your answers are
asked by Emily on August 16, 2009 
problem solving
Please help me figure out how to solve this problem I have researched and racked my brain and still no luck.I don't think there is enough information givin. Problem In 1054, Chinese astronomers observed the light from a supernova in the night sky. This
asked by lynn on October 17, 2008 
Chemistry
I have a statement that I have to answer either always true, sometimes true, or never true: A decigram is 100 times smaller than a gram. In my book it says deci  10 times smaller than the unit it precedes. So that would mean decigram is always only 10
asked by Mike on September 25, 2008 
math
What are algebraic models? There's a problem and it says to use an algebraic models to answer the questions. I don't know what those are?
asked by lily on October 14, 2009 
Introduction to Finance
I just need help with these two questions: 1. The difference between the historic price a firm paid and its going price among current buyers and sellers is the difference between its a) market value and depreciation b) book value and depreciation c) market
asked by Anonymous on February 21, 2018 
english
"Either you are for me or agsinst me." is this a hasty generalization, begging the question, faulty cause, false dilemma, or faulty analogy. can some 1 help me http://academic.cuesta.edu/acasupp/as/404.htm Scroll down and check out the either/or
asked by renegade on July 12, 2007 
Chemistry
Which of the following is TRUE for a system that is in dynamic equilibrium? A) The forward reaction goes to 100% completion. B) The concentration of products is equal to the concentration of the reactants. C) The reaction rate of the forward reaction
asked by Mimi on December 10, 2016 
julie&shawn, math
The problem was actually 3 1/3  1 1/2= 10/33/2= 20/69/6=11/6, or 1 5/6 How did you get 1 and 5/6 from the problem: 3 and 1/3 minus 1 and 2/3 3 1/3 = 2 4/3  1 2/3 _____________________ 1 2/3 1 2/3 is the answer. Did you maybe copy the problem wrong?
asked by Julie & Shawn on December 16, 2006 
English
1. What are they like? They are brave. 2. What is their presonality like?  They are brave. (Are the questions and answers right and the same?) 3. It is shaped like a fish. 4. They are shaped like fish. (Are both grammatical? What is the part of speech of
asked by rfvv on November 16, 2010 
physics
Here were two tricky questions. Please provide steps. Answers are not necessary (since these are practice questions for an exam). 1.) The centrifuge is a device in which a small container of material is rotated at a high speed on a circular path. Such a
asked by jo on October 16, 2010 
physics
Here were two tricky questions. Please provide steps. Answers are not necessary (since these are practice questions for an exam). 1.) The centrifuge is a device in which a small container of material is rotated at a high speed on a circular path. Such a
asked by jo on October 17, 2010 
math  bearings
Been working on this question for a while. Have drawn a diagram (looks like a tilted trapezium, correct me if i'm wrong), but I still can't find any right angles to calculate the distance. Help would be appreciated, thanks. Question: A plane flies on a
asked by anonymous on January 12, 2018 
math
Which of the following conclusions is true about the statement below? x^2 = √x a) The statement is always true. b) The statement is true when x is negative. c) The statement is true when x=0. d) The statement is never true.
asked by Anonymous on April 6, 2013 
Statistics
Use the following table to answer the questions. (Give your answers correct to two decimal places.) x 1 1 3 3 5 5 7 7 9 9 y 3 2 6 1 3 3 3 2 5 3 (a) Find the equation of the line of best fit. y hat = 2.6+.1x (b) Find the ordinates y hat for the points on
asked by Tracy on June 30, 2013 
6th grade Science
Please help me with the questions? 1) How do you respond to some stimuli in your environment? The examples I wrote are: If I am hungry, I will eat food. If I am cold, then I will put on a jacket? 2) What does the fur of a bear have to do with homeostatis?
asked by Tim on December 9, 2011 
Chemistry
The standard electrode potentials for three electrode systems are: Ti^3+(aq) + e^ > Ti^2+ E= 0.37 Fe^3+ > Fe^2+(aq) E= +0.77 Ce^4(aq) + e^ > Ce^3+(aq) E= +1.45 Using the data above, deduce which species is the best reducing agent, giving a
asked by Kari on March 15, 2010 
Sociology
Q. Jane is thirteen and a middle school student. At her age the most important agent of socialization in her life is likely to be the: a)community b)peer group c)media d)school i think its b. please help me
asked by help on September 16, 2011 
Chemistry
In the reaction, K2Cr2O7 +14 HCl > 2KCl + 2CrCl3 + 3Cl2 + 7H2O how many moles of HCl act as reducing agent in balanced chemical equation?
asked by Clandestine on April 15, 2013 
Science
you are a patent agent, an inventor comes to you claiming he has invented a selfpowered engine that requires no fuel to run. will you agree to patent this invention? why or why not? use the first law of thermodynamics. can anyone help me out with this?
asked by Michelle on November 4, 2007 
physics
Trying to escape his pursuers, a secret agent skis off a slope inclined at 30° below the horizontal at 60 km/h. To survive and land on the snow 100 m below, he must clear a gorge 60 m wide. Does he make it? Ignore air resistance.
asked by prashant on February 6, 2017 
Algebra
A test has 15 questions worth 100 points in total. The test consists of multiple choice questions, which are 4 points each, and openresponse questions, which are worth 12 points each. How many multiple choice questions are on the test?
asked by Anonymous on January 12, 2016 
math
principal 224000, time 17 years, interest rate 2%,compounded yearly than total amounts
asked by tanuj on July 7, 2017 
chemistry
Can anyone explain Le Chatelier's principal? How you know when it shifts to the products and reactants? Such as in 3O2(g) >
asked by samantha on June 23, 2010 
Math
Principal of $600 is invested at 3.6% /a simple interest, paid annually, for 12 years. What is the rate of return? A) 43.2% B) 21.6% C. 7.2% D) 0.6%
asked by Diana on November 26, 2017 
math
If I borrow Rs 700000@12%pa simple interest for 5 years. How much do I owe now? Rs 8000 been deducted from principal every month.
asked by bubu on April 15, 2016 
statistics
how do the 4th grade girls weight in principal ben's school compare to the national mean weigh = 90 sd=15
asked by peggy on February 7, 2014 
math
principal is $750.00 rate is 9 1/2% for 200 days using a 360 day calendar year what's the interest?
asked by l on February 17, 2011