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Mathematics Questions and Answers April 08, 2023

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what high order question for Play "sight word carnival" game. Students read three sight words , step onto mats with numbers and receive a clip as each word is read, drop the clip into a green holder and receive Smarties candy for how many clips go in to the holder

Find the equation of the regression line for the given data. Then construct a scatter plot of the data and draw the regression line. (The pair of variables have a significant correlation.) Then use the regression equation to predict the value of y for each of the given x-values, if meaningful. The table below shows the heights (in feet) and the

Please help by showing work Problem set 3: use the following information to answer questions 6-8 (25 points total): Hypothetical data (observed frequencies) are provided below on relationship between sex and marital satisfaction. Sex Marital Satisfaction Mal Female Row Total Satisfied 280 239 519 Unsatisfied 118 263 381 Column Total 398 502 900 6.
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Help please , also what type of triangle is this ? Find the measure of ZBAC. B 740 A C m/BAC Enter an integer or decimal number [more.. ] Question Help: Message instructor Submit
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production-gradescope-uploads.s3-us-west-2.amazonaws.com () C + P https://production-g... ChatGPT Search Results | Cou.. For the function f pl... ) G Submit CP5 | Grades... C Since January 1, 196... C 4. For the function f.. G For a given function.. 3 LT6 (LT6.a) On the axes provided, sketch a possible graph of a function y = f(x) that has the
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please help me solve this calculus question. Please help me. Thanks Evaluate the following limit. Please write answer on paper. Please answer step by step. Thank you Using the idea of limits and continuity, determine the value of the constant "c" that will make the function f continuous on (-co, too) f(x) = (cx' + 2x if x
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Multivariate Multiple Least Squares. the dependent variable has more than 1 dimension. 1.1. (Multivariate Least Squares) A data set consists of m data pairs (mahyn : 1:...,m, Where :1: E R\" is the independent variable, and y E R1 is the depen dent variable. Denote the design matrix by X dif [33(1},...,:13{m)]T, and let Y df [3;(1), - - - ,y(m)]T.
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c. The random variable & has the probability function P()= b k = 1,2, 3, . . . compute the value of b, the expected value and variance of k
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Which would be best suited for displaying the number of U.S. Representatives from each of the 50 states in alphabetical order? Select one: a. Bar Graph b. Frequency Polygon c. Circle Graph d. Histogram

it is from statistics and probility. kindly solve it clearly. Q: What did you learn from binomial and hyper geometric distributions? Write a brief note of five lines on these distributions. Q Hospital records show that 75% of the patients will recover from a certain disease. i. What is the probability that 2 of the 6 patients selected at random
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Please solve these: \f6a. [8 points] On a circle of radius lUfeet, what angle in degrees would subtend an arc of length 71: feet? b. Suppose 55116) = 1/3 and c0t(t) > 0. Find each of the following. Show steps to your answers. 1) [5 points] sec (t) ii) [5 points] tan (t + 7:) iii) [7 points] cos(2t) iv) [7 points] sin(t 7?\") 5a. [10 points] Let
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1.A wave soldering process is used in printed circuit boards. It is known that the error rate is 200 per million solders, where errors occur randomly and independently. A given board requires 5000 solders. a)What is the probability of 3 or more errors in a circuit board? b)Find the probability of a board having no solder errors. c)If a new design

A contagious signal is one that the teacher initiates, then the students gradually imitate it

A school administrator surveyed high school sophomores about their expectations for college attendance. One question asked was: "What do you think the chances are that you will graduate from college?" Their responses are shown below in the two-way table by gender. Female Male There is almost no chance I will graduate from college. female- 22

1. (Reasoning) Angelo is having a birthday party with six of his family members. They are his grandmother, mother, aunt, brother, father, and uncle. Their names in random order are Ben, Cathy, Danilo, Elena, Felisa, and Gerald. Look at the clues below to discover the names of Angelo's family members. Clues: i. Ben is not Angelo's uncle. ii.

A study was made comparing the cost of a one-bedroom apartment in Philadelphia with the cost of similar apartments in Baltimore. A sample of 30 apartments in Philadelphia showed a sample mean of $950 with a sample standard deviation of $50. A sample of 25 apartments in Baltimore showed a sample mean of $915 and a sample standard deviation of $45.

A publishing company is interested in understanding the relationship between the years of experience of its sales staff and their annual sales.The data they collect from a random sample of 12 sales representatives is reported below. Annual sales ($1,000s) (y y) Years of experience (x x) 487 3 445 5 272 2 641 8 187 2 440 6 346 7 238 1 312 4 269 2

What is the height of a 225 cubic inch cereal box with the given base area? You may use the formula, Volume space equals space base space area space times space height to help you. area of base: 25 space in squared Add an answer item! area of base: 15 space in squared Add an answer item! Answer Bank 9 inches 21 inches 15 inches 34 inches

1.Would you use a one-sample, paired-sample, or independent-sample t-test in the following situations? a)A lab technician obtains a specimen of known concentration from a reference lab. He/she tests the specimen 10 times using an assay kit and compares the calculated mean to that of the known standard.

Store layouts speak to the design of a store's retail floor space and merchandising is the display of items, within the store layout, in such a way that shoppers are enticed to purchase. The layout and the merchandising of a store are both critical and connected. A store planner for Bed Bath and Beyond wants to layout a 5 foot end-cap promotional

For the $500 deductible plan, the user pays $2,750 in yearly fees, the $500 deductible, and 20% of all medical costs over $500. What would the user pay for total medical costs of $15,000

Scores on a certain exam are normally distributed with a mean of 78 and a variance of 25. What is the probability of obtaining a score less than 90? A. 0.4918 B. 0.9918 C. 0.0082 D. 0.5082 0.9982

Top Colleges data Use Top_Colleges.xlsfile which consists of data from 95 top-ranked colleges. It includes variables regarding whether the college is public or private, the average annual out-of-state tuition & fees, and the average freshman SAT score (math + verbal only out of 1600).* ASSIGNED PROBLEM 1: For 2015, the average SAT score for
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Please answer all questions (#40-43). Show all work. I will mark as helpful when completed. Find the sum of the following series. (hint: use the formula for arithmetic sequences first to find n) 36. 5, 9, 13, ..., 101 37. 83, 80, 77, ..., 5 38. -17, -12, -7,..., 33 39. 1, 1 1/4 , 1 1/2, ... 9 3/4 Find the sum of the following series. 40. 8, 11,
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The purpose of this activity is to gain experience conducting a chi-square test of independence using technology. Recall the report On the Front Line: The Work of First Responders in a Post-9/11 World . We will use data from this report to investigate the question: Are alcohol-related problems among New York firefighters associated with
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(a) Construct Gibbs sampler that will sample 1; 1; 2, and 2 from their posteriors. (b) Find sample differences 1 - 2 . Proportion of positive differences approximates posterior probability of hypothesis H0 : 1 > 2. What is this proportion? (c) Using sample quantiles find the 95% equitailed credible set for 1 - 2. Does this set contain 0? \f
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Do Hom Score: 0 of 1 pt 12 of 14 (13 complete) HW Score: 64.29%, 9 of 14 pts Chang 5.2.27-T Question Help Based on a poll, 40% of adults believe in reincarnation. Assume that 8 adults are randomly selected, and find the indicated probability. Complete parts (a) through (d) below. Name: a. What is the probability that exactly 7 of the selected
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2. (15points)Use the delta method to find dy/dx for y=In(x^3+x)^2

Antibiotic for blood infections. Enterococci are bacteria that cause blood infections in hospitalized patients. One antibiotic used to battle enterococci is vancomycin. A study by a large nationwide health system revealed that6% of all enterococci in its hospitals were resistant to vancomycin. Consider a random sample of four patients with blood

How do you explain whether or not a residual plot shows that it is appropriate or not to use a linear regression equation to make predictions?

For questions 1-3, refer to the following information: Screening tests are often used in clinical practice to assess the likelihood that a person has a medical condition. The rationale is that, if disease is identified before symptom onset, then earlier treatment may lead to cure or improved survival or quality of life. The prostate-specific

Choose all correct "TRUE" statements. (a) The main reason why we cannot obtain the causal effect from simply running linear regression on observational data is that

Thr mean July rainfall in Waterville is 10mm.assume tha this data is normol distribution how many days in July would you expect the daily rainfoll to be less than 8.5mm . What is the right answer is it A:5,B:6,C:7

This dataset contains the downtime of medical devices across multiple facilities in a hospital. And that is the totality of information given to you. Use pivot table toanalyze the dataset and produce a brief summary of your observations and suggestions (or further questions) about how to reduce downtime.

Compare the intercepts of Graphs A and B. Graph A: A graph shows a line extending to the left and right and passing through coordinates 0, 20 and 5, 50 Graph B: A graph shows x-axis labeled Songs downloaded and y-axis labeled Storage Used (in kB), with a line segment starting at 0, 20 and ending at 10, 81. The y-intercept for Graph A is -3.3,

Here's the Feedback of what I missed. If there's a way to send you word documents it would be easier to view. I need help with the questions I missed. Below is the feedback from the professor and my work below that. Thanks for your help. Calculate confidence intervals using SPSS. Non-Performance Does not attempt to calculate confidence intervals

Based on the table of the unadjusted and adjusted model 4, what can be said about the relationship between total charges and los? a. While some of the unadjusted association between charges and los is explained by (at least some of) the other predictors in model, a positive statistically significant association remains after adjustment. b. The
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Ronan Mcevoy pays monthly rent of $1,250 and an annual premium for renter's insurance of $210. He realizes that he has lost interest of $36 from paying the security deposit. What is Ronan's total annual cost of renting? Multiple Choice $246 $1,250 O $15,000 O $15,246 O $1,496

Show me how you will follow the rules in the hall." This statement is: Group of answer choices an expression of redirecting language an invitation for dialogue with the student an invitation for cooperation an expression of dominance

If all Diodes are Ideal and have a 0.7V = VForward Solve for I2

CYU #1: Monthly Interest: Determine the slope, y-intercept, and write a sentence: $91.00 Monthly Interest as a Function of Monthly Balance Slope: $90.00 for APR = 6% $89.00 $88.00 Y-Intercept: $87.00 $86.00 y = 0.005x - 2E-11 Sentence: $85.00 $84.00 $83.00 $82.00 $81.00 $17,800.00 $16,200.00 $16,400.00 $16,600.00 $17,000.00 $17,200.00 $17,600.00
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Find the domain of the following function. Do not use a graphing calculator. f(x)equalsRootIndex 7 StartRoot x plus 11 EndRoot minus 1 Question content area bottom Part 1 The domain is enter your response here. (Type your answer in interval notation.)

The total number P of prey taken by a predator depends on the availability of prey. C. S. Holling proposed a function of the form P = cn /(1 + dn ) to model the number of prey taken in certain situations. Here n is the density of prey available, and c and d are constants that depend on the organisms involved as well as on other environmental

How are logit and probit models different? a) logit is for binary choice models and probit is used when there are two or more choices. b) probit and logit use different distribution functions. c) logit directly reports odds ratio as a result while probit reports the beta coefficient. d) None of the above.

Question A A psychology student hates working in a noisy classroom, but notices that this does not seem to bother other students. She wonders if distractibility affects people differently if they have different personality types, and decides to test this for her capstone project. She pre-tests students and selects 40 that represent introverted and

I need help with this stats problem. I got the first part with the correct values in rejection area. Any and all help would be greatly appreciated The deterioration of many municipal pipeline ne unicipal pipeline networks across the country is a grow rowing concern . One technology proposed for pipeline rehabilitation uses a flexible ses a
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22 . What is the population ? ( 2 ) 39%6 of 2059 randomly selected adults (b) All adults over the age of 35 ( c / 2059 randomly selected adults ( 2 ) 2059 randomly selected adults over the age of 35 23 . The results of the survey revealed that 39% of respondents have a gun in their home . The value* of 39% is a ( a ) Statistic (b ) Parameter 24. A
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1.During December 2017, American Airlines lost an average of 2.01 bags per 1000 passengers.Assume the number of lost bags follows the Poisson Distribution. a.What is the probability that, of the next 1000 American passengers, nobody will lose their bag? b.What is the probability that, of the next 1000 American passengers, fewer than three will

Given the information(only)=0.24, (only)=0.03,(both,)=0.01,answer the following questions. 1.()=___(Use at least five decimals in your answer) 2.P(NeitherA nor)=___(Use at least five decimals in your answer) 3.P(At least one of the two)=__(Use at least five decimals in your answer) 4.Are and Bindependent?1. yes 2.no 3. I don't have enough

A project conducted by the Australian Federal Office of Road Safety asked people many questions about their cars.One question was the reason that a person chooses a given car, and that data is in table #11.2.8 ("Car preferences," 2013).Do the data show that the frequencies observed substantiate the claim that the reasons for choosing a car are
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Using the following data, build a Venn diagram and then answer the following questions by filling in each blank with the correct number. In a survey of 120 customers of the Rufus Company regarding their purchases of sweatshirts, the following data were obtained. 45 buy those sweatshirts sold under the Rufus label. 60 buy those sweatshirts sold
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help me to answers these questions 13, 14, 16, 17 and 18 In Exercises 11-14, find the point estimate, the standard error, and the margin of error for the given confidence levels and values of x and n. 11. x = 146, n = 762, confidence level 95% 12. x = 46, n = 97, confidence level 99% 13. x = 236, n = 474, confidence level 90% 14. x = 29, n = 80,
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When performing a test of significance with unknown population parameters it is necessary to estimate the error involved collect information from everyone in the population utilize data collected through nonprobability sampling techniques all of the aboy
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2. Sketch the curve f (x) = 1ex-be by providing a full analysis of its features. Please label ALL x-15x+44 important points/values (ex., asymptotes, x- and y-intercepts, etc.). (6 marks) Domain: : x-intercept(s): y-intercept(s): Vertical Asymptote(s): Horizontal Asymptote(s): x End behaviour near any Horizontal Asymptotes: End behaviour near any
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For problems 2-9, determine whether the two expressions are equivalent. If they are equivalent, state the property of operations or reasoning that justifies why the two expressions are equivalent. If they are not equivalent, choose a number for the variable. Then, using that number, evaluate each expression to justify your answer. 2. 5x 5x . 7: 7
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Consider the following graphs. For each graph (and associated table), write whether there is an apparent main effect for the first factor, a main effect for the second factor, and whether there is an interaction. For each apparently significant effect, interpret the result Safari File Edit View History Bookmarks Window Help 4 0 m 8 7 Q 9 0 Tue Apr
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Hi!! My name is amanda and im having trouble with these questions.. does anyone know how to solve these??? Thank you so much!! 5. (10%) (a) (15%) A manufacturer's output is given by the production function P = 600x2/3y1/3, where y and r are the numbers of units of capital and labor. The manager find out that each unit of labor costs $40, and each
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A researcher wants to study the relationship between salary and gender. She randomly selects 384 individuals and determines their salary and gender. Can the researcher conclude that salary and gender are dependent?Step 1 of 8: State the null and alternative hypothesis.Step 2 of 8: Find the expected value for the number of men with an income below
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Question If m./BCD = 210 and meF = 350, determine mABD using the appropriate theorems and postulates. Ax B D mABD = Question 1 of 4 Next Ques POWERED BY ? Turn it In Save & Close KNEW O 4 APR 29
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Statistics MGMT 650 Final Exam The Fast N' Hot food chain wants to test if their "Buy One, Get One Free" program increases customer traffic enough to support the cost of the program. For each of 15 stores, one day is selected at random to record customer traffic with the program in effect, and one day is selected at random to record customer
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If t:r^2 to r^3 is a linear transformation such that T=[5 -2]=[30 9 -6] and T[2 -4]=[28 10 -12], then the matrix that represents is

Marta told Maribel "The sum of fifty and half the number of oranges is the same as one-hundred-twenty." Maribel wrote 50 (one-half) + m = 120 What is her error? It should be a subtraction not an addition. The 50 should be multiplied by m. The One-half should be multiplied by m. The equation is correct

Consider the following experiment. You have two bags: Bag I contains 5 blue marbles and 2 red marbles, while Bag II contains 2 blue marbles and 3 red marbles. You begin by rolling two fair die. If the sum of the die total a number strictly greater than 10, you choose Bag I, and otherwise you choose Bag II. Now flip a fair coin. If the coin shows

-7 -6 -5 -4 -3 -2 6 7 -4 -5- -6 Find the slope of the line. Slope = m Enter your answer as an integer or as a reduced fraction in the form A/B. Question Help: ) Video 1 () Video 2 ) Message instructor Submit
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The state of California has a mean annual rainfall of 25.2 inches, whereas the state of New York has a mean annual rainfall of 46.3 inches. Assume the standard deviation for California is 6.3 inches and for New York is 5.6 inches. Find the probability that, for a sample of 40 years of rainfall for California, the mean annual rainfall is at least

13 Find the zeros and fully factor f(x) = a + 9x + 25x + 21, including factors for irrational zeros. Use radicals, not decimal approximations. The zeros are The fully factored form is f(x) =
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Write this number in scientific notation of 484,700

La dure de vie moyenne d'un type de calculatrice est de 54 mois avec un cart type de 9 mois. On assume que la dure de vie de la calculatrice suit une loi normale. Quel pourcentage des calculatrices vendues le fabricant devrait-il s'attendre remplacer si la garantie donne par ce fabricant est de 36 mois?

Approximate the values of the integrals defined by the given sets of points. \f
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Reduce the following integrals to trigonometric integrals by using an appropriate (inverse) substitution, i.e. a correctly labeled right triangle: (a). intergral 11/ radical 25x^2 - 9 dx

Soit la suite \( \langle D(n) angle \) o \( n \) appartient l'ensemble \( \{e^a | a \in \mathbb{N}^*\} \). Cette suite est dfinie par la relation de rcurrence suivante : - \( D(1) = 1 \), - \( D(n) = 2 \times D(n/e) + n \) pour tout \( n \) de la forme \( e^a \) o \( a \) est un entier naturel non nul. Il est important de noter que dans cette

this is the problem (15 points) A random sample of 250 undergraduate students from a large university was found to contain 58 freshmen. 59 sophomores. 60 juniors, and 73 seniors. (a) What proportion of undergraduate students are freshmen? (b) What is the risk of being a sophomore
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The cumulative number of AIDS cases reported for a county is broken down by ethnicity as in the table below. Ethnicity Number of Cases White 2,229 Hispanic 1,157 Black/African-American 457 Asian, Pacific Islander 232 Total = 4,075 The percentage of each ethnic group in the county is as in the following table. Ethnicity Percentage of total

1 (1 point) Which of the following statements is not true (false) regarding synthetic division? Synthetic division can only be used when the d Gor is linear. If the remainder of the synthetic division is zero, both the divisor and thequotient are factors of the dividend. OOne must be used as the coefficient of any missing powers of the variable

According to national data, about 15% of American college students earn a graduate degree. Using this estimate, what is the probability that exactly 32 undergraduates in a random sample of 200 students will earn a college degree? Hint: Use the normal approximation to the binomial distribution, where p = 0.15 and q =0.85. I need to round my answer

Would someone be willing to assist me with stats in political science? I don't seem to understand this. thank you so much in advance. I am unsure about relationships and dataset information \f
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A medical researcher maintains that the mean hemoglobin reading of surgical patients is different from 12 grams per deciliter. He randomly selects nine surgical patients and obtains the following data: 8.812.510.312.014.69.19.913.014.6 What conditions must be met in order to use the TTest?

Please answer the question and explain how you found it. \f
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0 Q2: (8 points) Suppose 131,132 are both fair, six-sided dice, where each of the numbers {1, 2, 3, 4, 5,6} appears on exactly one side of D1, and each of the numbers {1, 2,3,4, 5,6} appears on exactly one side of D2. Consider the following experiment E, with sample space S: Experiment E: Roll D1 until you get either 3 or 5, and record the number
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Please solve them Q2. Apple has become a household name in America, and many households own at least one Apple product (CNN, March 19, 2012). A nationwide study shows that the probability of owning an Apple product is about 68% for a household with kid(s) and 46% for a household without kids. Now we tried to replicate the study in Dearborn and
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d. State a hypothesis and null hypothesis for this analysis. Based on the F value and p level, do you reject the null hypothesis? e. What are the degrees of freedom for regression? f. Examine the beta values and significance levels for each of the independent variables, and identify the variables that are significant predictors of depression using
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Time Series 5. [18 marks} Consider a stationary tinle series model given by X: = zit/p + 4X34 + 6224, Z: '35" MD, a?) [a] 2 marks] Find E(Xt). [h 4 marks) Find E(Xf). ( ) ( (c) [4 marks) Let a = Em. Find the autocovariance function 14k), 34: E Z for the time Series in terms of a. ( ( (d) (E) 4 marks) Discuss if any constraints are required for the
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The acceleration of a particle is defined by the relation a = ?kv2 with k = 0.0125 m-1 . If the particle is given an initial velocity v0, find the distance traveled: a) until its let v = v0 / 2, b) before stopping, c) how long does it take to reach v0 / 2? \f
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A chairwoman of a certain political party is making plans for an upcoming barangay election. She has received the services of six volunteer workers for precinct work, and she wants to assign them to four precincts in such as way as to maximize their effectiveness. She feels that it would be inefficient to assign a worker to more than one precinct,
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13. In terms of controlling for astranenus variables, what dd repeated measures designs do that independent sample designs dnn't
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1. [1 markfor completion]. Calculate (1 +/3i)*. Express it using square roots and display it on a complex plane diagram
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A local Cineplex theatre experiences an increase in the number of moviegoers during the Christmas holiday season. The service rate of a concessions stand employee is 0.75 customers per minute. The theatre has a maximum of 3 concessions stands. The ideal maximum time a customer should wait is 5 minutes. Required: The following should be calculated

Based on the BBM TV ratings, the local television claims its 11:00 PM newscast reaches at least 41% of the viewing audience in the area. In a survey of 200 viewers, 73 indicated that they watch the late evening news on this Sudbury local television. At a significance level = 0.05 , can you infer that the local television claim is false?

I can not figure this out please help me!!!!! I got all the other questions accept these three.Also how to solve?

Answer this (en_us) 20SPCMP Applied Stat (MAT-200-55121) Home / My courses / 20SPCMP MAT-200-55121 / General / MAT 200 Assessment Revised 20WN Question 1 Quiz Find P(a > 120) provided that it is known that u - 95 and o = 14 Not yet Assume that the distribution is approximately normal. answered Marked out of Select one 10 1.00 O a. 0.0367 Flag
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The following game is offered in a particular carnival tent. The carnival master has a red and a blue beaker each containing 10 balls numbered as 1, ...,10. He shakes the beakers thoroughly and picks at random one ball from each beaker. Then he tells you the value r of the ball picked from the red beaker and asks you to guess whether the unknown

A city has a total of 90,000 dwelling units, of which 35,000 are houses, 45,000 are apartments, and 10,000 are condominiums. A stratified sample of size n=750 is selected using proportional allocation (and rounding the sample sizes to the nearest integer). The three strata are houses (h = 1), apartments (h = 2), and condominiums (h = 3). The table
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The demand for hamburgers sold at M&T Stadium (home of the Baltimore Ravens) depends on the price. If p p is the price of a hamburger, then the demand is given by 10000 p + 70000 10000p+70000. If the vendor's fixed costs are $2,500 and variable costs are $0.60 per hamburger, find the price of a hamburger that will maximize the profit. using solver

Please help me l have exam O all ooredoo V . forms.office.com/Pages/1 8 Calculate the total Liner Service freight .12 due for 2 x 40' reefers Leban from Salalah, Oman to Hamburg, Germany on two Bills of Lading. At the POL, there is a three day .wait for a berth $ 115/teu THC Salalah, Oman $ 140 per BAF Bill of Lading $ 130/teu THC Hamburg, Germany
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Assume the average time spent sleeping ( in hours) for a group of medical residents at a hospital can be approximated by a normal distribution with a mean of 6.1 hours and a standard deviation of 1.0 hours. What is the shortest time spent sleeping that would still place a resident in the top 5% of sleeping times? Between what two values does the

Approximate the value of the given integral by use of the trapezoidalrule, using the given value of n. 2 3 5 x 3 d x n=2

1.A youth development leader introduced a new program to her 36 students that focused on positive self-reflection and goal-setting in order to reduce depressive symptoms in her youth. She collected pretest (depress1) and posttest (depress2) scores on a scale of depressive symptoms experienced in the past week (scores range from 0-10 with higher
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A fast-food restaurant has a cost of productionC(x)=12x+90 and a revenue functionR(x)=7x. When does the company start to turn a profit? Please enter the exact answer.

Solve the following equation. Express your answer as an integer, simplified fraction, or decimal rounded to two decimal places. 3w9=0

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