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Mathematics Questions and Answers January 19, 2023

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Perform the indicated operations, write the answer in standard form, a+bi. 2/the square root of -13

I need help regarding this question on SPSS Run two linear regression models to see if the effect of enrollment in the weight management module appears to vary by gender. Do not include any control variables (other than gender) in the first model. Include all of the control variables in the second. Note that each model should include a

Given that 1 2, find the measures of angles a and b when = 41. a = b =

A one story house is 2,200 square feet. 40% of the house has a basement. How many square feet is the basement? * 840 sqft 880 sqft 820 sqft 860 sqft If a two story home has a ground floor of 25*30 feet and second floor of 20*30 feet, what is the total square footage of the home? * 1,200 sqft 1,250 sqft 1,300 sqft 1,350 sqft

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Use the following information to answer the next question The graph of y = P(x) is shown below. All intercepts are shown. X 9. The minimum degree of P(x) is 0 6 0 4 07 05
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how do we know that they are unique. couldnt some x overlap leaving a hole

# 7a Find the curvature of an ellipse The length of its major diameter is 2a; the length of its minor diameter is 2b; it can be described by the vector function r(t) =a costi + b sintj. At what point the curvature is maximum and at what point the curvature is minimum
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Hello dear tutor, can you help me solve this question? 5. [10 points] Let T : V - W be a linear transformation, where V and W are finite-dimensional vector spaces. (a) If dim(V) > dim(W), prove that T cannot be 1-1. (b) If dim(V)
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Use the following information to answer the next question The graph of y = f(x) is shown below. All intercepts are shown. NA Below are four statements about the graph. Statement 1: the degree of f (x) is even Statement 2: the leading coefficient of f () is negative Statement 3: f () has one real root of multiplicity 2 Statement 4: the constant of
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I need help Solve the following sales tax problems. Sales tax rate is 8.75%. (25 points) 5. Amount of Sale Sales Tax Due Total Sale Amount Paid Change $95.62 $105.00 $33.25 $ 40.00 $10.00 $ 20.00 $ 2.10 $ 5.00 $155.75 $170.00
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6.25 pts Question 14 Find Q R. S R 5x 3x + 8 Q 0 5 0 4 O 20 O 11
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Let A = {1, 2, 3, 4}, B = {3, 4, 5, 6}, and C = {5, 6, 7, 8}. Find each of the following sets. (Enter your answers in set-roster notation.) \f
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Question 22 3 pts Consider the following two famous example sentences from Noam Chomsky's Syntactic Structures (1) Colorless green ideas sleep furiously (2) Furiously sleep ideas green colorless These sentences indicate [ Select ] syntactic and semantic well-formedness because while [ Select ] syntactically well-formed, [ Select ] semantically
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Which quadratic equation is graphed here? 107 8- 7. -10 3 -8 1-7 -6 -4 -3 1 2 3 4 5 6 7 8 9 10 -2 a. y = x + 15x +5 b. y = x' + 5x + 5 y = -x* + 15x + 5 d y = x* + 5x + 5
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You will provide a comment on something interesting you learned from two other papers (assigned randomly as peer reviews). The purpose is not to correct or improve the paper - it's simply to provide some positive feedback or ask questions and learn from each other's projects

Find the absolute maximum and minimum values of the function f(x,y,z) = x -- (y^2) on the sphere (x^2) + (y^2) + (z^2) = 1 using Lagrange multipliers.

Data was collected on the amount of time that a random sample of 8 students spent studying for a test and the grades they earned on the test. A scatter plot and line of fit were created for the data. Find the slope of the line of fit and explain its meaning in the context of the data. 80; a student who studies for 0 hours is predicted to earn 80%

Use the graph of the polynomial function to solve the The solution set is inequality. (Type your answer in interval notation. Use integers or fractions for any numbers in 2x 3 + 5x2 2 14x + 8 the expression.) O o f(x) = 2x3 + 5x2 - 14x -8
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According to the CDC, approximately 0.059% of children in the United States are born with a cleft palate every year. If 2333 babies are born with a cleft palate last year, then approximately how many babies were born last year? Joey Chestnut is the current (2021) Nathan's Hotdog Champion. If while training, Joey is able to each 68 hotdogs in 24

This is a discreet math question Does this graph have a Hamilton path, Hamilton circuit, or neither? If so, state the path or circuit. A G D B E G Paragraph B
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La Jolla Beverage Products is considering producing a wine cooler that would be a blend of white wine, rose wine, and fruit juice. To meet taste specifications, the wine cooler must consist of at least 50% white wine, at least 25% and no more than 35% rose, and exactly 25% fruit juice. La Jolla purchases the wine from local wineries and the fruit

Please help R If 24300 dollars is invested at an interest rate of 10 percent per year, find the value of the investment at the end of 5 years for the following compounding methods, to the nearest cent. (a) Annual: 5: (b) Semiannual: 5:]
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Find an equation of the line. Slope 7; through ( - 2,8) The equation of the line is (Simplify your answer. Type your answer in standard form.)
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'Optsj identity the sample space and the event 1n the roiiowlng statements. (bx: 1n "'i'ne chance or rolling an even number with a siX sided die is 1/2", the sample space is the numbers 16: and the event is 2, 4, or 6 [Or simply SS: positive integers 6 or less. Ev: even numbers 6 or less].) (a) The chance of ipping 2 heads in a row with a fair
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{{3, 0, 1/2}, {-6, 0, 1/2}, {1, 1, 0}} are these linearly independent

Can some one please tell me if I did this correctly? I have a fair coin that is flipped 104 times. X is the number of heads. I need to find the normal distribution best approximates X. as N( , ) I think the answer is N(52,2.49) I dont lnow if I did the formula correctly Mean =52 (52)(0.5)(0.5) = 13 square root of 13 = 6.5 square root = 2.459 Thanks

2. (8) Suppose a monopolist faces a market demand curve given by P = 50 - 0.5*%Q. Marginal cost is initially equal to zero and constant. a. (4) Calculate the profit maximizing price and quantity. Use the Lerner index to calculate the price elasticity of demand at this point. What is the amount of deadweight loss associated with this monopoly? b.
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Graph the quadratics and identify the key features of the functions. 2. y = x2 - 4x + 6 4 Vertex: Axis of symmetry: Concavity: Minimum/maximum Number of solutions: Domain: Range:x | 3. y = X2 + 6x+1 Vertex: Axis of symmetry: Concavity: Minimum/maximum Number of solutions: Domain: Range:ctions. X F(x) 4. y = -3x2 + 12 Vertex: Axis of symmetry:
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"the weight of football players is normally distributed with a mean of 200 pounds and a standard deviatoin of 25 pounds. The probability of a player weighing less than 250 pounds is?" I have the equation but Im not sure how to plug in what numbers I need, thank you for any help!

Find a nth degree polynomial function with zeros of i, -i (each with a multiplicity of 1) and a zero of -2 ( with a multiplicity of 2)

(a) Imagine that a close friend has been diagnosed with heart disease. The physician recommends bypass surgery. The surgery should solve the problem. When asked about the risks, the physician replies that a few individuals die during the operation, but most recover and the surgery is a complete success. Thus, your friend can (most likely)

Perform the following additions, noting that the parenthesized subscripts denote the number base. For example 7( 10 )+8( 10 )=15( 10 ) is the sum of the base-10 numbers 7 and 8. Notice that not every sum below is written in the same number base. If the number base of both operands is the same, express their sum in that number base. If the number
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Which of these categories (deciles) experienced the second highest in growth through 1995-2007? a. Top b. Eighth c. Bottom d. None of the above Growing Up Trends in spending on children per child, by household income, adjusted for inflation Top decile Eighth decile Third decile Bottom decile $7,000 $6,573 $6,000 $5,551 $5,000 $4,000 $3,759 $3,000
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2. Vo = 0 3 4 217 v1 = 1 1 2 17 (a) Find a basis for R4 that includes vo and v1. (b) Using the results of part (a) find an orthonormal basis {wo, w1, W2, w3} for RA. In your basis, wo should be parallel to vo and {wo, w1} should span the same subspace as {vo, vi }. (c) Let B be your basis from part (b) and B' be the standard basis for RA ({e1, e2,
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3:50 Sun, Mar 12 M 1 G . 76 27%% Wk 3 Quiz ... Switch to Light Mode X y 7 -4 11 8 -3 -34 X y X y -4 7 -7 4 8 11 -11 -8 -34 -3 3 34 O Option 1 O Option 2 X y X y 4 -7 -4 7 -8 -11 -8 11 34 3 -34 3 O Option 3 O Option 4 1 point The inverse is unique, there is only one. What is the inverse of y = 3x + 21 ? Week 3.....$2 | Feb 20 -- Feb 24..No school
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To find the inverse of a matrix by hand you A. always change the sign of the two opposite elements and switch the place of the other two. B. choose a variable matrix of the same size, multiply by the original matrix and set it equal to the identity matrix, then solve the linear system that that created. C. fill up a matrix of the same size with

EFLIInaL. L. Executive summary [5 marks, 200 words) This section provides a summary of the clients' situation, investment considerations and recommendations provided. 2. Introduction (15 marks, 250 words)
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I need to 2 blanks filled solved During one shift, the express lane clerk recorded how many times customers violated the "10 items or less" rule for his lane. In particular, he recorded how many items over the limit each violator placed on the conveyor belt. This data is summarized in the histogram below. NOTE: The last class actually represents
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Hi, I need your help, Thank you !! A researcher is looking at whether social media usage is a factor in how much sleep a person gets. The participants are divided into three groups (low, median and high) based on their social media usage. 6 people were in the Low social media usage group. 7 were in the Medium group and 8 in the High usage group.
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For the system dx = -x sin y + 2y dt dy = - cos y , dt (a) check that the system is a Hamiltonian system with Hamiltonian function H(x, y) = x cosy + y2, (b) sketch the level sets of H, and (c) sketch the phase portrait of the system. Include a description of all equilibrium points and any saddle connections
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1. A political scientist surveys 28 of the current 135 representatives in a state's legislature. what is the size of the sample? What is the size of the population?

1.Grade points are assigned as follows: A = 4, B = 3, C = 2, D = 1, and F = 0.Grades are weighted according to credit hours.If a student receives an A in a four-unit class, a D in a two-unit class, a B in a three-unit class and a C in a three-unit class, what is the student's grade point average? a)3.00 b)1.75 c)2.50 d)2.75

In this problem, you must first balance the equation. Then, find the amount of heat, in kJ, given off when 27.8g of sulfur reacts with 02. Round to the nearest whole number. Given: S = 32.06 g/mol O = 15.999 g/mol __S + __02 __S03 H = +755.5 kJ In this problem, you must first balance the equation. Then, find the amount of heat, in kJ, given off

Translate the given phrase into an algebraic expression and simplify if possible: the sum of 7 and the quotient of m and n. Note: Enter only the simplified result

Part A What is the probability that a randomly chosen flight arrives on time? Part B Overall, which carrier has the highest probability of arriving on time? Part C Given that a randomly chosen flight arrives on time, what is the probability that it arrives in Philadelphia (PHL)? Part D Given that the carrier is Hawaiian Airlines (HA), what is the
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Use the following information to answer the next question The graphs of functions f and g are shown below. g 12. Using the graphs shown, the value of f(g(3) ) is (Record your answer in the numerical-response section below.) Your
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Answer: 2. "The Fountains of Bellagio" is a choreographed water display set to light and music that takes place in front of the Bellagio Hotel in Las Vegas. In the evenings, the shows take place every 15 minutes from 7 pm to midnight. The duration of each show is 7 minutes. If Joanna arrives at a random time between 7 pm to midnight, what is the
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I want help with this question Apply the distributive property for each of the following and simplify where possible. 1. 4(27 - 3y) 2. 2(574 - 13 - 4r' + 2x - 1) 3. Ary(21 y + 7xy - 5ry) 4. (57 - 7) (27 + 1) 5. 2r(3r + 1)(7 - 4)
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Express in terms of I. square root -252 answer in the form a +bi

5A) hey please help with this linear algebra question 5. [11.33 Points] DETAILS LARLINALGB 4.4.051. Determine whether the set of vectors in M22 is linearly independent or linearly dependent. 1 1 4 2 1 7 A: 4 4'3: 32'C: 2223 A linearly independent A linearly dependent
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OpenCars04data. SETUP: Use the car weight data and construct the appropriate histogram (use bins of size 200, starting with 1800). Answer the questions: https://www.limes.one/Content/DataFiles/cars04.txt I. The chart you created resembles? (5.00 points) a. Bell shape b. Double-Bell shape c. Skewed shape II. Which bin has the highest frequency?

Determine the equation of the parabola and give answer in general form Determine the equation of the parabola whose graph is given below. Enter your answer in general form. HNWAGON -7-6-5-4-3-2 1 2 3 4 5 6 T NOUIDUNK
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A form of autocorrelation is negative autocorrelation, in which: a.large observations tend to follow small observations and small observations tend to follow large observations b.small observations tend to follow both large and small observations c.large observations tend to follow large observations and small observations tend to follow small

If y varies directly as x and inversely as the square root of w, and y = 27 when x =9 and w=8 find y when x = 8 and w =18.

Question 26 of 44 What is the area of the circle shown below? 0 A. 5113 em2 0 B. 25.1 em2 0 c. 201.1crn2 0 D. 304.2 :m2
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The difference between dyads and triads is important because: Group of answer choices moving from a dyad to a triad exponentially decreases the amount of intimacy possible in a group. moving from a dyad to a triad exponentially increases the number of relationships available in an interaction. moving from a dyad to a triad exponentially decreases

Please help me solve these weekly practice questions. Please also provide the work, number and section. The sections are : From Additional Exercises ending Section 6.1:Exercises # 6.1.2 ; 6.1.3 ; 6.1.5 ; 6.1.6 ; 6.1.7 From Additional Exercises ending Section 6.2:Exercises # 6.2.2 ; 6.2.3 From Additional Exercises ending Section 6.3:Exercises #
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using the first four images, please answer #1 and #2 on the last page with detailed and text cited answers. Word choice, or diction, in a text includes the vocabulary, the use of standard or nonstandard language, even the use (or not) of contractions. Standard English is used by almost all academics and professionals. It conforms 1 , I to the
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Score for Question 2: _ of 5 points) A pet food company wants to know the number of pets owned by adults ages 21 to 70. The frequency table shows the data from a simple random sample of the targeted population. Total 2 3 4 5 6 pets owned lumber 248 567 1402 728 419 456 203 of adults What is the estimated mean for the population? Explain your
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Insurance premium renewal propensity Objective : Premium paid by the customer is the major revenue source for insurance companies. Default in premium payments results in significant revenue losses and hence insurance companies would like to know upfront which type of customers would default premium payments. The objective of this project is to

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Find the zeros for the polynomial function and give the multiplicity for each zero. State whether the graph crosses the x-axis or touches the x-axis and turns around, at each zero. 2 f ( x ) = x+ 3 ( x - 6 ) 5 . . . O A. 2, multiplicity 2, crosses the x-axis; - 6, multiplicity 5, touches the x-axis and turns around O B. - 3: multiplicity 2,
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Use the graph of the function to find its domain and range. Write the domain and range in interval notation. 10 N W A DOT X -10-9 -8 -7 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 8 9 10 -2
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Use the zoning map to determine the building site's zone. Select the zone's abbreviation from the list below

How do you sketch the curve given by the following parametric equations? x = t + 1, y = 3t x = t, y = t^3 x = 1 + t^2, y = 2t x = 3 cos t, y = 3 sin t x = 2 cos t, y = 5 sin t

In the Pictures in album section of the Photo Album dialog box, what indicates which slide each photo will be placed on? Question 17 options: A) A check box B) A thumbnail C) A slide title D) A number

can you help me with this question? Consider the following initial value problem dy +1.2y =7e-0.3x dx V(0) =3
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if you conduct your estimation using two-stage least squares by separately estimating each regression (say in Excel), what condition should you be aware of when interpreting your second stage results? a)The coefficients will be too low. b)The coefficients will be too high. c)The standard errors reported in the second stage are not accurate. d)The

what will be the solution 6 - 2 10. The slope of this function is X 4 5 6 7 8 -8 -6 4 -2 0 11. Consider the following function: y = 7x +1. What is the rate of change of this function? 12. What is the slope of this function? Describe the meaning of this slope: As the inputs Original material under copyright, 2012 CUNY Start Algebra Core Curriculum
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The selling price of a refrigerator, is $584.85. If the markup is 5% of the dealer's cost, what is the dealer's cost of the refrigerator

Refr tn Figure P923 in the trad back for the nonlinear mhil 51:33:11- Draw the free handy diagram
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A researcher wants to determine the candy preference of shoppers at a convenience store chain. The researcher randomly selects 10 shoppers from each of the chains 23 stores. What kind of sampling is used? simple random sampling stratified sampling cluster sampling multistage sampling

Question 23 A health care professional wants to determine whether individuals with hypertension who take Atenololhave significantly lower systolic blood pressure than individuals with hypertension who do not take Atenolol. For individuals who have not been prescribed Atenolol, the population systolic blood pressure mean is 165 (= 165) with a

1.1. Suppose the supply and demand sets for Glenfiddich single malt whiskey are as follows: S consists of the pairs (Q, P ) for which Q-3P=-5 , and D consists of pairs (Q.P) such that Q+2P=145 . Here, P is the price per bottle, measured in rands, and Q is the number of thousands of bottles sold. a) Determine the supply function Q(P) and the demand
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Consider the function 12s - 42 F(s) := $2 - 7s + 12 The inverse Laplace transform of F (s) is 0-(F(s)) = meat + Belt where a
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Pls help The half-life of a certain tranquilizer in the bloodstream is 20 hours. How long will it take for the drug to decay to 90% of the original dosage? Use the exponential decay model, A = Agent, to solve. hours (Round to one decimal place as needed.)
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Los Fondos estn conformados por diferentes tipos de Activos de diferentes Emisores a distintos plazos, esto ayuda a reducir el riesgo de un Fondo ya que los diferentes Instrumentos tienen un comportamiento distinto ante las diversas situaciones en el Mercado, y mientras alguno de los Instrumentos puede tener una baja por alguna situacin en el

For every football game there is a team that is expected to win by a certain number of points. In betting? parlance, this is called the spread. If point spreads are? accurate, we would expect about half of all games played to result in the favored team winning? (beating the? spread) and about half of all games to result in the team favored to not
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Convert 7250 mL to liters using the proportion method

Please help Question 6
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This problem set has three questions A, B, C. You go to your favorite food market and see an item that you used to regularly purchased, although the last time was 8 months ago. The package looks the same BUT looking at the label you see that the number of items in the package has decreased BUT the price is kept the same as the original price Use

1.Assuming that all factors are held constant, what happens to the standard error of estimate as the correlation between X and Y toward zero? a.smaller b.larger c. stay the same

@ Question 12 ~Mo/1pt O3 @ Details Evaluate f// ; dV , where FE lies E 2% +y* + 2 between the spheres x> + y2 4 2?2 4 and z? + y2 + 22 = 16 in the first octant. Check Answer @ Question 13 ~Mo/1pt O3 @ Details Find the volume of the solid bounded below by the plane z = 4 and above by the sphere x4+ y2 + 22 =72, Write your answer as a reduced
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Find an example of "Orientalism." This can include an image, a news article (and headline), passage from a novel; a video, etc. Upload or simply explain the example with your posting. Explain, using terms and ideas from the readings and online lecture PPT, how this is an example of Orientalism. What idea of Asia and Asians does it give? Remember,

A paint company is considering setting up factories in two of four European Union countries in which legislation and institutional setup affecting its business is basically the same. Preliminary information on similar ventures gathered from specialized publications suggests there may be differences in the profitability of each country, considering

4. Find the mistakes in the solution below & correctly solve the equation. If it cannot be solved, EXPLAIN why. [C2] log4(-64) = 3x -log464 = 3x -3 = 3x X =-1
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5. (8 points) Medical case histories indicate that different illnesses may produce identical symptoms. Sup- pose a particular set of symptoms, which we will denote as event H, occurs only when any one of three illnesses - A, B or C - occurs. (For simplicity, we will assum that illnesses A, B, and C' are mutually exclusive.) Studies show these
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impossible significance was not given 24. Which of the following statements comparing the standard normal distribution and the t distributions is false? (A) The density curve for Z is taller at the centre than the density curve for T. (B) The t distributions have more area in the tails than the standard normal distribution. (C) In tests of
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CH 10 HW Working with Data: Evolving Herbicide Resistance 1 of 20 Review |Constants|Periodic Table Introduction In 1996, farmers began planting seeds that were genetically modified to resist herbicides. As the graph shows, the amount of herbicide used initially decreased after that, but then increased to a level higher than the original amount.

Solve the following formula for the specified variable. K V = U + as for a a = (Simplify your answer.)
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Please help Question 6 Find a formula for the exponential function passing through the points (-3, co | co ) and (2, 12). y
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the water from a fire hose follows a path described by y=2.0+0.8-0.20x^2 (units are in meters). if vx is constant at 10.0 m/s, find the resultant velocity at the point (4.0, 2.0). Find the magnitude of the velocity of the water at the point (4.0, 2.0). The magnitude is approximately ?? m/s.

A credit score measures a person's creditworthiness. Assume the average credit score for Americans is 709 . Assume the scores are normally distributed with a standard deviation of 55 . a) Determine the interval of credit scores that are one standard deviation around the mean. b) Determine the interval of credit scores that are two standard

(a) Find the standard error of the mean for each sampling situation (assuming a normal population). (Round your answers to 2 decimal places.) Standard Error (a) = 54, n = 9 (b) = 54, n = 36 (c) = 54, n = 144 Needing explanation and help with answers, please? Not getting the right ones.

please help me in this Question. Its about simulation problem... you should do it in excel... The management of Madeira Manufacturing Company is considering the introduction of a new product. The fixed cost to begin the production of the product is $3000 The variable cost for the product is uniformly distributed between $16 and $24 per unit with

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