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Mathematics Questions and Answers October 07, 2022

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A linear regression analysis reveals a strong, negative, linear relationship between x and y. Which of the following could possibly be the results from this analysis? = 13.1-27.4x, r = 0.85 = 542-385x, r = -0.15 = 13.1+27.4x, r = 0.95 = 27.4+13.1x, r = -0.95 = 0.85-0.25x, r = -0.85

The sample space S is the odd integers starting at eleven and less than 26. Find: - Sample space ; - Probability of A, where A = numbers less than 18 ; - Probability of B, where B = numbers divisible by 3 Use fraction form for the probability

Rinsed lip of solution bottle by pouring a small amount of solution into bowl or cup on out of field State reason for "rinsing" lip of the bottle

Which of the following is not one of the 4 parts of a conclusion? Question 9 options: the signal the plan the restatement the relevance factor

A hospital has 120 patient beds, and each room has 4 windows. If each window requires 2 curtains, how many curtains are needed to cover all the windows in the hospital? Please provide your answer along with a brief explanation of your solution.This question is required

nuestro tio nos llevo a su casa. Nos encontramos perdidos en el palacio. era un lugar seco, sin amor. Solo el sonido metalico de ls monedas, Y si de pequenos nos tiranizo, cuando crecimos se hizo cada vez mas intolerable. de la casa donde vivian el tio Nestor y sus dos sobrinos

What is the purpose of minmax search? Select one: a. To find the minimum value in a set of numbers b. To find the optimal move in a two-player game by maximizing the minimum possible gain c. To find the maximum value in a set of numbers d. To find the optimal move in a two-player game by minimizing the maximum possible loss

According to the historical data, the life expectancy in the United Kingdom is less than the life expectancy in the United States. A new study has been made to see whether this has changed. Records of220 individuals from the United Kingdom who died recently are selected at random. The220 individuals lived a mean of78.2 years with a standard

Rank the five modes of transportation from 1 - 5 based on CO2 Emissions. (1=best performance; 5 = worst performance) Air [ Choose ] v Ocean [ Choose ] V Pipeline [ Choose ] V Rail [ Choose ] v Truck [ Choose ]
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Hello, please help!! Thanks! ONLY NEED HELP WITH C AND F PLEASE !!! MINE WAS INCORRECT. THANK YOU. The horsepower (Y, in bhp) of a motor car engine was measured at a chosen set of values of running speed (X, in rpm). The data are given below (the first row is the running speed in rpm and the second row is the horsepower in bhp): rpm 1100 14001700
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Please help Solve the given differential equation by using an appropriate substitution. The DE is homogeneous. ( x - y) dx + x dy = 0
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The data graph can be thought of as having three parts: before the minimum, at the minimum, and after the minimum. (2pts) Compare the slopes of the graph before and after the minimum for each individual reaction as well as for both reactions. How are they similar? How are they different

The mean score on a college algebra exam for freshmen is 50.An educational researcher who thought that seniors might score higher than this gave the exam to a random sample of 35 seniors. The researcher obtained Z = 2.18 for the Z-statistic in doing the test of hypothesis H0: = 50, Ha: > 50 where is the mean exam score of the population of

Calculate the profit/loss from the FFA position for the charterer. Given the following Suppose that today is 18th of May and a charterer is interested in transporting coal from the US Gulf to Japan under a voyage charterparty two months from today on 31st July. The current freight rate for this trip is $23.1/mt. In order to protect himself from

In this problem the input is the values of a real-valued function f at the integers 1, . . . , n. "Affine linear functions" are functions of the form g(x) = ax b. We are interested in finding an affine linear function g which is closest to f in the sense that it minimizes n k=1 |g(k) f(k)| . Show how to formulate this as a linear programming

The equation y equals 25 left parenthesis 2 to the power of t right parenthesis shows the number of infected people from an outbreak of E.coli. The variable y represents the number of infected people, and t represents time in weeks. In how many weeks will the number of infected people reach 800? a.) 5 weeks b.) 3 weeks c.) 6 weeks d.) 4 weeks

Requirements for Discussion Assignments You are required to post one initial post and to follow up with at least two response posts for each discussion assignment. You should post your discussion response first, and then respond to other students. An important mathematical application in economics is to model the cost and revenue for a company.

Hannah noted the height of each student in her class and found that the mean height of the students is 56 inches, with a standard deviation of 1.2 inches. The height of one of the students, James, is 59 inches. What is the z-score for James' height?

Solve Please Suppose, you are running an experiment that has two outcomes, namely 'success' and 'failure'. You intially don't know the probability of success in a single experiment. But you know that if you continue to run the experiment several times, the expected number of experiment required for the first success is '16. What is the standard
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Statistics Sampling distribution For the next few questions, you will use the following block of code (run this code now), which generates a population where 45% of the people are \"for" something, and 55% are \"against" it, whatever it is: # Create 10K entries with support at 452 pop_size
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Find the simple interest for the following. Round it to the nearest cent. $18,981 at 9% for 208 days. Question 33 options: $987.01 $1,034.33 $1,020.16 $973.49

To produce the same energy, it takes 1.61 times more coal (by volume) than oil. How many gallons of oil will give you the same amount of energy as 650 pounds of coal. Assume that 1 pound of coal has a volume of 0.144 gallons. gallons

A casino offers a House Special bet on roulette, which is a bet on five pockets (00, 0, 1, 2, 3) out of 38 total pockets. The bet pays out 6 to 1. In other words, a losing bet yields -$1 and a successful bet yields $6. A gambler wants to know the chance of losing money if he places 500 bets on the roulette House Special. 1.) What is the standard

What is an example of a repetitive and specific task in which you use descriptive statistics on a daily basis. What is an example of how you consciously or subconsciously rely on the presence of descriptive statistics in your daily routine.

Table 10-1 A company has decided to use 0-1 integer programming to help make some investment decisions. There are three possible investment alternatives from which to choose, but if it is decided that a particular alternative is to be selected, the entire cost of that alternative will be incurred (i.e., it is impossible to build one-half of a

Frequency Distribution class limits midpoint frequency 0 up to 2 16 2 up to 4 26 4 up to 6 20 6 up to 8 16 8 up to 10 10 10 up to 12 2 12 up to 14 0 total 90 This is problem 16 from Basic Statistics for Business and Economics 9th Edition, page 38. It's for my own benefit, and I am trying to organize and process the data, but am confusing the

2. Farmers growing peas ship them to the processing plant of their cooperative. The co-op will pay $30 per ton minus the cost of transportation. The co-op's transportation fee for peasis: 7C =1+d where d is the distance from the farm to the plant in miles and TC is the cost of hauling per ton. Make a table showing the net price a farmer will
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Complete the dialogue by writing the numeri ordinali of the numbers in parentheses. Esempio: Mangio il mio (2) secondo panino. Danilo: gi la (4) enter answer volta che chiamo la dottoressa e non risponde! Laura: Chiama il suo cellulare, lo studio chiude alle 16:00. successo anche a me la (1) enter answer volta, poi ho capito che, dopo l'orario

1. If you calculate the shortest distance between all possible pairs of vertices in a graph, then the largest of these values is called the diameter of the graph. For example, the graph below has diameter 3 since there exists a path of length at most 3 between any two vertices. Suppose a graph G has A(G)
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Look at the graph below. It includes data on annual catch and a best fit line. Assuming that "Catch" has a 1:1 relationship with abundance (i.e. you could replace ln(Catch) with ln(N) on the y-axis), what parameter is equivalent to the slope of the line

Excel output from a test of hypothesis is shown in the following figure . Figure 1 : t - Test : Two - Sample Assuming Equal Variances Variable 1| Variable 2\\ Mean 4. 76 4 . 4 Variance 10. 523 3 3 333 12. 25 Observations 25 25 Pooled Variance 11. 38656567 Hypothesized Mean Difference O of 48 + Stat 0. 37 718916 P ( T
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A clerk at a bookstore is restocking a shelf of best selling novels. He has 5 copies each of 3 different novels. a) How many different ways can he arrange the books on the shelf? b) How many different ways can these books be arranged on the shelf if the copies of the same novel must be grouped together?

A college admissions director wishes to estimate the mean age of all students currently enrolled. In a random sample of 25 students, the mean age is found to be 20 years. From past studies, the standard deviation is known to be 2.5 years, and the population is normally distributed. Construct a 90% confidence interval of the population mean age.

If Ms. Jones's division sees a 5 percent (or greater) revenue increase over last year, she will receive a $20,000 bonus. If her division sees a 0-5 percent revenue increase over last year, she will receive an $8,000 bonus. If the revenues in her division decrease relative to last year, she will receive no bonus. Assuming that the percentage

4. The following graph is a sine curve. [6 Marks] 2 a) From the graph, determine the amplitude, the vertical translation, the phase shift, and the period. (4) b) Write an equation for the function. (2)
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How many points do I need to make a B- at Liberty University

Solve for x. Be sure to simplify your answer. Check your solution. 1/9 x equals 7

4. Set up an analysis of variance table for the following per acres production for variety of wheat each grown in four plots of Land. Per acre production variety of wheat Plot A B C of land 1 6 5 5 5 7 5 4 3 3 3 3 4 8 7 4

Holder's inequality. Show that if p, q > 1 and 1/10 + Mg 2 11 then EIXYI S (EIXIPWWEIYIQJW- When p = q = 2, it is the CauchySchwarz inequality. Hint: Think that Expectation is integral. Find how the same inequality is proved for any pair of real functions in Calculus. Minkowski's inequality. Show that if p 2 1, then (EIX + YIPW" S (EIXIPWP +
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A carnival game has 160 rubber ducks floating in a pool. The person playing the game takes out one duck and looks at it. If there's a red mark on the bottom of the duck, the person wins a small prize. If there's a blue mark on the bottom of the duck, the person wins a large prize. Many ducks do not have a mark. After 50 people have played the

what two threats to internal validity are controlled by random assignments?

An economic theory is that the money flowing into and out of mutual funds (fund flows) is related to the performance of the stock market (market return). To the right is part of the regression analysis, where the response variable is Fund Flows ($ million) and the explanatory variable is Market Return (%). Find the 90 % prediction interval for a
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P(A)=0.4, P(B)=0.8, P(A and B)=0.52 A and B are independent? True or False

Submit Part I of the math 6 grde lesson plan for instructor's feedback

1.An important application of regression analysis in accounting is in the estimation of cost. By collecting data on volume and cost and using the least squares method to develop an estimated regression equation relating volume and cost, an accountant can estimate the cost associated with a particular manufacturing volume. Sample data on production
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The Sarao family is installing a pond in their backyard with the dimensions shown below. They want to stock the pond with fish that require 2 square feet of surface area each. How many fish can they put in their new pond? Round your answer down to the nearest whole fish. (Picture is not to scale.) 5 12 ft 13 Fish 15#
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There are 23 people in this class. What is the probability that at least 2 of the people in the class share the same birthday?

The British Department of Transportation studied to see if people avoid driving on Friday the 13 th .They did a traffic count on a Friday and then again on a Friday the 13 th at the same two locations ("Friday the 13th," 2013).The data for each location on the two different dates is in table #9.2.6.Estimate the mean difference in traffic count
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Differentiate the given function. X +3 4 y= X - 5 dy dx
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Homework #1 STAT 2112 2 2. A local real estate investor in Orlando is considering three alternative investments: a motel, a theater, or a restaurant. Profits from the motel or restaurant will be affected by the availability of gasoline and the number of tourists; profits from the theater will be relatively stable under any conditions. The
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complete math questions 1 - 18 16 UNIT I Creating the Beam SUMMARY basic review of arithmetic, algebra, and units of mea- of measurement are mass, length, and time. Units of Asurement has been presented. The arithmetic review in- measurement were officially defined on an international cludes fractions, decimals, computation with values, powers of
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Do you feel that the instructions are telling me to answer each question with the 260-350 word count or a TOTAL word count of all questions combined be 260-350?

Find episode of a popular television show from this time period ( post ww2 through the end of the 1950s). Brief description of what show was about. Include of show or series, when it ran, who starred in it, and who, if anyone, sponsored the show

d. Exposure to arsenic in drinking water during pregnancy may have an impact on infant outcomes. Infants born to mothers residing in two cities, one with arsenic concentrations in the drinking water and one without, are compared to investigate whether arsenic exposure is associated with smaller head circumferences. However, the two cities are
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Which of the following statements about the TEAS exam is true? The TEAS exam: Group of answer choices stands for Test of Essential Academic Skills. should be taken without studying for best results. is part of Phase One of the application process to the program. is not given on a computer

A bus stop on a college campus is located at the following coordinates: 35 48' 47.3'' N, 116 30' 33.3 W The door to a classroom on that same college campus is located at the following coordinates: 35 48' 43.5'' N, 116 30' 33.3 W The distance in one second of latitude is 101.464 feet. Knowing this, how far must a student walk from the bus stop to

One of the natural radioactive series is called the uranium series. In this radioactive decay chain there are some long half-life radionuclides, starting with uranium-238, which transform into different nuclides through alpha and beta decays. The stable nuclide at the end of this series is

1. Graph the function g(x) = Ixl + 4 as a translation of the parent function f shown. How did the transformation affect the domain and range
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Suppose you change the game in the Monty Hall problem, so that there are 10 closed doors (instead of 3), concealing 1 car and 9 goats. As before, you select one door initially. Now the host opens eight of the other doors, revealing a goat behind each one, i.e. there are still two doors closed, including the one you initially selected. If you

Find the x - and y -intercepts of the graph of the equation algebraically. y = 3 (10 x )

Suppose that in a large class, the instructor announces that the average grade on an exam is 75.Which is more likely to be closer to 75: a.) The exam grade of a randomly selected student in the class? b.) The mean exam grade of a sample of 10 students? Explain.

Which is the following about the normal distribution is not true? a) Theoretically, the mean, median and mode are the same. b) About 68% of the observations fall within one standard deviation from the mean. c) It is a discrete probability distribution. d) its parameters are and . 5.

Strategic management is a change process, something that is going to take time to develop, cultivate, and assimilate into your business process (Forbes, 2012

Rotate the model to an anterior view. Which of the following statements apply to anterior views of the left or right radius or ulna? You may use each term more than once. ResetHelp Blank Ulnar styloid process is pointing to the lefttarget 1 of 6 Blank Radial tuberosity is on right side of bonetarget 2 of 6 Blank Ulnar styloid process is pointing

Solve for x. Be sure to simplify your answer. Check your solution. minus6equalsStartFraction x/9 EndFraction

Your pin at work needs to be 4 digits long, where the first two digits need to be a number between 0 and 9 and the last two digits need to be any of the English alphabet letters (A through Z and not case sensitive). How many different outcomes for a pin do you have to choose from? A.16 B.40,260 C.7,260 D.67,600

N.4 Corequisite: Percentages and ratios, Absolute and relative change, Rates / Learn: N.4 Corequisite Lesson site Lesson Contact (Q8) In 2019, the U.S. Congress debated cutting the federal budget. The goal was to reduce the national debt, which was $23 trillion. (a) If one group wanted to reduce the budget by $500 billion. How large is this change
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What would a correlation coefficient r = - 0.25 indicate? Select one: a. There is a weak negative correlation between two factors b. There is a strong negative correlation between two factors c. There is a moderate negative correlation between four factors d. There is a strong positive correlation between two factors

Given mEFG = (2x 12) and mGFH = 32. Find x and mEFG

Each of the following sentences contains one or more anglicisms. Correct the Spanish and the "back translate " into English to identify the anglicisms. 1. Pedro trabaja como hombre til en la tienda. Corrected: back translation: 2. Me puse mi sombrero. Corrected: Back translation: 3. Mario Camino lentamente y dolorosamente. Corrected: Back

Let g : A B and f : B C be functions. Justify your answer on each of the following. (a) If f g is one to one, does it follow that g is one to one? (b) If f g is one to one, does it follow that f is one to one? (c) If f g is onto, does it follow that g is onto? (d) If f g is onto, does it follow that f is onto?

uadrilateral PQRS is located on the coordinate plane. The lengths and slopes of the sides have been calculated. Segment PQ d equals the square root of the quantity 2 minus 0 end quantity squared plus the quantity 4 minus 0 end quantity squared end root equals the square root of the quantity 4 plus 16 end quantity equals the square root of 20 m

This is the problem. Find the component form for the vector with the given magnitude and direction angle of |v| = 4.8, 9 = 101.50 . Round values to the nearest tenth. 0 0 O O
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According to guest speaker Dr. Schueller, approximately what proportion of users continue to use Headspace, the meditation application after 2 weeks? Group of answer choices No one does (0%) Very few do (5%) A moderate amount do (50%) Nearly everyone does (85%)

Given the sideA, sideB, and sideC of a triangle, assign triPerimeter with the perimeter of the triangle. Ex: If the input is 13 5 14, then the output is: Perimeter: 32 Note: The perimeter of a triangle is calculated by adding all three sides together

The vertical axis, line of sight, the axis of telescope level, and crosshair (vertical and horizontal) are the __________. Select one: A. Principal lines on a transit/theodolite B. Principal lines of a level C. Principal lines of a laser level D. Principal lines of an Optical Plummet tribrach

f = .05 and = .25, calculate the following: The statistical decision is to reject the null, and H 0 (the null) is really false (i.e., Power) .05 .25 .75 .95 .01

How many different straight chain positional isomers exist for heptadiene without putting the 2 alkene functional groups next to each other

True/False: Just like the Bass, the notes of the Guitar actually sound one octave lower than written

Nine experts rated four brands of Columbian coffee in a taste-testing experiment.A rating scale was given based on taste, aroma, richness, and acidity.At the .05 level of significance, analyze the data to determine whether there is evidence of a difference in the ratings of the four brands of Columbian coffee. a.State the "block" variable. b.State

Check 1 pt Retries 1 Reattempts 97 Info Details Using the following stem & leaf plot, find the five number summary for the data by hand. 1|4 9 2|4 7 7 3|4 7 4|1 4 5 9 5|3 6 7 7 9 6|0 0 Min = Q1 = Med = Q3 = Max =

Explain why a 95% confidence interval estimate for the mean value of y at a particular x is narrower than a 95% confidence interval for an individual y value

classify each of the variables into one of the four levels of measurements and provide an appropriate justification (30 marks) No Variable Value Label Level of measurement (1 mark each) Justification (2 marks) How old are you? 11 years or younger 12 years old 13 years old 14 years old 15 years old 16 years old 17 years old 18 years or older In

. {25 pts] 511]}me A: integers are drawn uniforme from the set {1, . N}, with replacement. Let pk be the probabilityr that no two of the selected integers are the same. [The birthday problem is an example of this situation, with N = 365. if one neglects birthdays tailing on Feb. 2'9, and seasonal 1variation in birth rates.) {a} Derive aformula for
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Please answer the following: Question 5 0.5 pts A study investigated how the content of vitamin A in carrots is affected by the time being cooked. In this example: 0 X represents the amount of time, in minutes, that the carrot slices were cooked 0 Y represents the content of vitamin A (in milligrams) in the carrot slices The least-squares
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On the stress-strain diagram, plot a linear offset curve as described in the Background. This curve has the same slope as the linear curve and will extend from the point (0.2%, 0 [MPa]) on the diagram to the offset curve's intersection with the power curve and should be plotted in red with a line width of 2. Then, find the yield strength, tensile

A company is developing a new soft drink. The cost in dollars to produce a batch of the drink is approximated by C (x,y) = 2200 + 27 x^3 - 72 xy + 8y^2 where x is the number of kg of sugar per batch and y is the number of grams of flavoring per batch. Determine the amounts of sugar and flavoring that result in the minimum cost per batch. Determine

Can you help with this question? All trucks traveling on Interstate 40 between Albuquerque and Amarillo are required to stop at a weigh station. Trucks arrive at the weigh station at a rate of 200 per 8-hour day, and the station can weigh, on the average, 220 trucks per day. a. Determine the average number of trucks waiting, the average time spent

Given that X N (x; , ) with P(X>5.82) =0.04 and P(X

1. T... vienes de la universidad. viene de la universidad. vengo de la universidad. 2. Anala... tienen sueo. tienes sueo. tiene sueo. 3. Ellas... tenis hambre. tienen hambre. tienes hambre. 4. Yo... tiene sed. tienes sed. tengo sed. 5. David y Mara... vens de Cancn. vienen de Cancn. vienes de Cancn

the volume of a rectanglar tank is 42cm 3 and its area is 7cm 2 . find its height

Utilizaremos un espacio virtual para presentar el trabajo que realizaron para la tarea Mdulo 4: Desarrollando un concepto de negocio. Los integrantes de cada grupo, deben tener como referencia la presentacin que realizaron en conjunto y seleccionado un representante para la presentacin

The Result of data analysis are presented as a.percentages b.written discussions c.fractions d.literary critism

Professor May B. Hard, who has a tendency to give difficult problems in probability quizzes, is concerned about one of the problems she has prepared for an upcoming quiz. She therefore asks her TA to solve the problem and record the solution time. May's prior probability that the problem is difficult is 0.3, and she knows from experience that the

5. a] Explain the difference between sec (-) and cos (-). b) Determine a value for each of the expressions in part a).\f
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Show work and answer all questions 16. College Classes: Out of 1500 first-year students at a certain college, 350 are taking history, 300 are taking mathematics, and 270 are taking both history and mathematics. How many of these students are taking at least one of these courses? 21. Use the Venn diagram below to find how many elements are in A but
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1. Find (if possible) the complement of the following angle. O Complement: - 5 3 TC Complement: 5 3 TC O Complement: 10 O Complement: It 5 Complement: 3 TCD 2. A sprinkler on a golf green is set to spray water over a distance of 13 meters and to rotate through an angle of 120. Find the area of the region. Round your answer to two decimal places. O
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Two tanks hold a total of 80 gallons of hot sauce. One tank holds 11 gallons more than two times the amount in the other. How many gallons does each tank hold

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