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Mathematics Questions and Answers June 04, 2023

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Consider the data set from Naturish [hypothetical]. 1.[lak] "garden" 5.[puka] "cat" 2.[beno] "river" 6.[kunt] "sky" 3.[den] "game" 7.[invark] "field" 4.[go] "house" 8.[gil] "child" Based on this data set, what is the status of [] and [n] in Naturish? "Allophones of the same phoneme": [ Answer 3 Question 11 ] / Answer 4 Question 11 / Answer 5

For the set Upper A = {3}, determine n(Upper A). Question content area bottom Part 1 n(Upper A) = enter your response here

7. What is the independent variable(s) (or the personal characteristic variables such as age or gender used as independent variables)

A class has 12 students, and 5 of them are to be chosen for a project team. However, 3 of these students (Alice, Bob, and Carol) cannot be chosen together on the same team. How many valid 5-person teams can be formed under this restriction

Suppose the PP soccer team plays 19 games in a season. In each game they have a 12 probability of winning, a 1/3 probability of losing, and a 1/6 probability of tying. Games are independent. What is the probability that the team will end the season with a 13-2-4 record (13 wins, 2 losses, and 4 ties)?

An example of a great clincher is "Thanks, I'm done!" true or false

Jika diketahui suatu himpunan A = {2, 3, 4, 5, 6, 7}, rnaka dengan menggunakan algoritma sum of subsets untuk jumlah seluruh elemennya = 12 akan diperoleh tupelo, kecuali A. (0, 0, 1, 0, 0, 1) B. (1, 1, 0, 0, 0, 1) C. (1, 0, 1, 0, 1, 0) D. (0, 0, 0, 1, 0, 1)

What should you keep in mind when comparing ratios to fractions? Group of answer choices Conceptually, they are exactly the same thing. They have the same meaning when a ratio is of the part-to-whole type. They both have a fraction bar that causes students to mistakenly think they are related in some way. Operations can be done with fractions

please solve this problem 4. Given that the mean of a normal distribution is u = 78 with a standard deviation of o = 2, what would represent the 90th percentile score? (Draw the curve and shade the region)
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What is a feature kno You checked the count of a major variable, and you determined that the data is imbalanced, what this can lead to? Group of answer choices fairness problem bias delete the imbalanced data nothingwn as? (check all that apply) Group of answer choices the constant the covariable the dependent variable the covariate the predictor

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Question: How could the specific pairwise correlations help or hurt the overall portfolio risk? Link To Data: https://www.portfoliovisualizer.com/asset-correlations?s=y&symbols=VTSMX+VGTSX+VBMFX+VIPSX&timePeriod=2&tradingDays=60&months=36

A radio host is interested in how Canadians feel about the recent wage increase. She gave out a telephone number and asked interested in how Canadians feel about the recent wage increase. She gave out a telephone number and asked interested participants to call in and give their opinion. What type of sampling bias is likely present here?

A company did a study of available vacation time for their staff employees over the past years.They determined the probability a staff employee selected at random has 2 weeks' vacation was 45%, 1 week vacation 10%, 3 weeks' vacation 20%, and more than 3 weeks' vacation was 25%.The company randomly selects 20 employees.What is the probability that

Metrics chosen to measure and demonstrate the results of interventions must have good reliability, which means: Question 5Select one: A. It is likely to get the same results if the same metric is collected multiple times B. The metric can be applied to other settings beyond the study C. The metric reflects what the researcher is trying to measure

what is the context of the standard ss.1.cg.1.1-? (both explicit and implicit)

If the mode is less than the median which is less than the mean, then the distribution is _________ skewed

I just love for my students to watch TED talks about math. If you are inspired, then it is worth it. Watch this one in full, write 3 meaningful (that means quantity and quality) paragraphs on how the talk inspired you. If you are a parent, think of how you could help your own children have an open mind to mathematics education. Know that when I

Tableau Which of the following statements are true with respect to Measure Values in the Data pane in Tableau? Measure Values field is automatically created by Tableau. Measure Values field contains results of all the calculations that can be performed on the data. Measure Values can be removed from the view by dragging the values out of the

Find the cofactor C12 for the matrix: Q = [2 0 -3] 5 6 7 [ 3 5 4] (A) 75(B) 12(C) 1(D) -15(E) 0

The agency was also able to determine that 47% of Americans view live sports on TV at least once a month. If this proportion is true for the people in this city, determine the range within which 95% of sample proportions should be found, symmetric about 47% given a sample size of 100

What is difference between attributes chart and variable chart? Are they less predictive, do they provide less statistical data, do not use physical part requirements or do they do all of these things.

let's say that the meantime of popping popocorn is 163 seconds, with a standard deviation of 95 seconds. In a random sample of 3 popcorns, what is the probability that all of those popcorons takes less than 177 seconds to pop?

A person is standing straight on the ground, looking up at an airplane which is taking off. His eyes is 5.5 ft from the ground. Horizontally, the person is 125 ft away from the airplane. The angle of elevation from his eyes to the airplane is 51 degrees. Find the height of the airplane. Round your answer to two decimal places if needed

A doctor's office records the waiting times in minutes for each patient. They have data available for 10,000 patients. Which graph can we use to show the distribution of waiting times at that doctor's office? Check all that applies. Group of answer choices A bar graph A pie chart Histogram Stemplot Dotplot

a constant is a characteristic or a property that can vary. True False

At approximately six months of age, Question 23Select one: a. it is appropriate to start giving the baby cereal in a bottle. b. infants can begin to eat some solid foods. c. the baby's stores of calcium run out and the baby needs more breast milk or formula. d. infants require additional iron in their diet, preferably from an iron supplement

Choose a statistical hypothesis test, and provide a real-world example in which it is applicable. Explain why the test is appropriate for the example. Conclude why reporting results with a margin of error is more informational than just the point estimate, such as the sample mean. Provide support for your rationale.

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In a regression analysis, 68% of students' test score is determined by class absenteeism. The relationship between class absenteeism and test score has a linear equation of Y = 34 - 0.85 (X). What is the correlation coefficient? Question 27 options: a) 0.4624 b) - 0.85 c) - 0.8246 d) 0.68 e) None of the above

A ramp is set up from a truck's trunk to the ground. The ramp's end at the edge of the trunk is 4.5 ft high. If the angle between the ramp and the ground is 11 degrees, find the length of the ramp. Round your answer to two decimal places if needed

Use the data posted below and we will focus on Age, BMI and total cholesterol and sex.TC. We want to examine the impact of sex, age and body mass index (BMI) on total cholesterol measures (TC). The variables in the data set we are using are labelled sex, age, bmi and tc. Copy and paste the data into spss.

Dr. Kamara Wells conducted a study comparing the effects of Mountain Dew, Red Bull and Starbucks bottled cappuccino on the physical endurance of participants running on a treadmill. Based on that brief description, how many independent variables are there in this study? Group of answer choices Two Three Four including the dependent variable One

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Determine whether the elements in the sets can be put in a one-to-one correspondence. A = {balloon, kite, tent, dollar, dime} B = {2, 4, 6, 8} Yes, the sets can be placed in a one-to-one correspondence. No, the sets cannot be placed in a one-to-one correspondence

1) 01011001 128 64 32 16 8 4 2 1 Value Letter 2) 01101111 0 0 128 64 32 16 8 4 2 1 Value Letter 3) 01110101 128 64 32 16 8 4 2 1 Value Letter 4) 00100000 128 64 32 16 8 4 2 1 Value Letter 5) 01100100 128 64 32 16 8 4 2 1 Value Letter 6) 01101001 128 64 32 16 8 4 2 1 Value Letter 7) 01100100 128 64 32 16 8 4 2 1 Value Letter 8) 00100000 128 64 32

Use the following data to answer the questions below Group 1 : 3, 2, 1, 8, 4 Group 2 : 5, 9, 8, 12, 9 Please show step by step how to answer the following questions. I got stuck on this especially d and e: a.SS 1 = b. SS 2 = c.SS D = 18 d. S D = 0.95 e.S x1-x2 = 1.65

If a data set produces SSR = 300 and SSE = 200, then the coefficient of determination is _______________ Question 31 options: a) None of the options b) 60% c) 25% d) 67% e) 40%

How many subsets of {1,2,3,4,5,11,19} include all values less than 4?

c. m(angleBOC)equals enter your response heredegrees D A O C E B x x y y Part 4 Explain why exact values of x and y cannot be determined. The exact values of x and y cannot be determined, because the figure only gives enough information to find the of x and y precisely. To find x and y, more information about the relationship between x and y, or a

Which of the following numbers are possible F statistics? Select all that apply. A. 2 B. -7.28 C. 0.0834 D. 3.61

Choose the correct answer below. A. The samples are independentindependent because there is notis not a natural pairing between the two samples. B. The samples are dependentdependent because there isis a natural pairing between the two samples. C. The samples are dependentdependent because there is notis not a natural pairing between the two

what type of analysis should you perform to test the given hypothesis

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please answer the question for #12. Tell whether the triangles are similar. Explain. 11. 610 12 70 250
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In a recent study based upon an inspection of 200 homes in Daisy City, 120 were found to violate one or more city codes. Refer to Exhibit 1-1. The manager's statement that 60% of Daisy City's 3,000 homes are in violation of city codes is _____. a. obviously wrong, since it is based upon a study of only 200 homes b. an accurate statement c. only an

Number of people over 60 Number of new cases of diabetes type 2 among women from the Study of population of district A divided by number of person-years contributed through last year by women in the Study of population of district A? 1.Prevalence 2.Cumulative incidence 3.Incidence rate 4.None of the above

OPEN RESPONSE Jenell's birthday is in May. Let W be the event that his birthday lands on a weekend. Let P be the event that his birthday is a prime number. What is Wn P? May Sun Mon Tues Wed Thurs Fri Sat 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31OPEN RESPONSE The table shows the books of several different
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What can be concluded based on this confidence interval? 1 point 95% of the data lie within these intervals. The estimates of the mean and median are equal. There is uncertainty around the estimates of the mean and median. The mean is smaller than the median as its interval is more narrow

Find the domain of the function. 4-X f(x) = 2 X - 8x The domain is (Type your answer in interval notation.)
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If an hourglass takes an average of 1 hour to empty a full cycle, what probability of time does it take longer than 72 minutes if the standard deviation is 5 minutes?

Need to solve this following assignment urgently using Minitab: 1. Cash for Cars: The data for this problem can be found in the following columns .Twelve people in each of 3 age groups (Group 1 = Young, Group 2 = Middle, Group 3 = Elderly) acted as the owner of a used car.The same medium priced, 6-year-old-car was used in the experiment and the

researcher who waits by a store exit recording the general age of each customer, and whether the customer uses the automatic or manual dooris engaged in case study research b.correlational method observational experimental method

The cathedral at Pisa has what shape for a dome? Group of answer choices Round Eliptical Square Triangular

Which best describes quantitative research? Results cannot be projected upon a larger population Strives for a large enough sample size so that results can be projected upon a larger population, and results are measurable and can be counted Strives for a large enough sample size so that results can be projected upon a larger population Results are

In your own words, explain the purpose of inferential statistics. Include the concepts of sample, population, statistic, parameter, and representativeness,as well as the principle of EPSEM

Values of r close to -1 or 1 indicate (complete the sentence): Group of answer choices strong association between two variables. non-linear association between two variables. weak association between two variables. linear association between two variables

Solve Upper T equals nine eighths Upper Q plus 32 for Upper

The hypothesis that a researcher tries to prove is called: Group of answer choices the initial hypothesis the null hypothesis the alternative hypothesis the alternate hypothesis

In a data set, Q1 = 700, Q2 =720 and Q3 =800. Then the value 430 is ____________. Group of answer choices a mild outlier an extreme outlier not an outlier a fence

Boys spend an average of $ 8,300 on back-to-school clothes. Girls spend an average of $ 26,800 on back-to-school clothes. How much less is the boys' average expenditure, relatively, than the girls' average expenditure (round to the nearest percent)?

13 One of the most important steps before conducting a full factorial DOE is Determine the most important factors Determine the levels each of these factors need to be tested at Determine the cost and time needed for each experiment Making sure that the experiments will be done within the time frame of the project All of the above None of the above

Determine the number of Hamilton circuits in a complete graph with the following number of vertices. 15 .

The best way to have a representative sample is to use: EPSEM sampling Nonprobability sampling Snowball sampling Convenience sampling Quota sampling

The results of a recent survey showed that the average cost to rent a car for a week is $276. If the standard deviation is $60, find the z-score for a weekly rental of $423.00? O 2.45 4.6 O -1,88 O 7.05
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can you make sense of this please - To increase the precision of a T -test by using the mean centered independent variable x , researchers use analysis of covariance (ANCOVA). to employ these gains in efficiency as a factor for use in finding the statistical power of the test

Think of an example from your life in which you could use probability. Describe how you would use it and how it relates to the readings.

The revenue functionR(x) and the cost functionC(x) for a particular product are given. These functions are valid only for the specified range of values. Find the number of units that must be produced to break even. R(x)=200xx2; C(x)=65x+2300; 0x100

Use: este, esta, estos, or estas . Voy a tomar clase de msica

Jamaal criticized my experiment for its terrible internal validity. Which of these criticisms were they most likely to have provided? "You didn't use a random sample!" "You didn't use random assignment!" "You didn't use a within groups design!" "You didn't use a pretest-posttest design

Use the sequential importance sampling algorithm to estimate the total number of 3 3 contingency tables with the same row sums and column sums as the observed table in Problem 2. Give your estimate and the standard error of your estimate. Attach your code and result. School of Origin of Schizophrenia Psychiatric Thought Biogenic Environmental
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Solve the linear programming problem by sketching the region and labeling the vertices, deciding whether a solution exists, and then finding it if it does exist. (If an answer does not exist, enter DNE.) Maximize P =40 x +60 y Subject to2 x + y 16 x + y 10 x 0, y 0 P =

WHAT IS THE PROBABILITY THAT THE WATER IS FROM LOT C AND IS CONFORMING

This is a statistical technique that captures the average value of potential projects by analyzing the likelihood of possible project outcomes as well as each outcome's financial consequences. Group of answer choices simulation decision tree analysis EMV analysis likelihood/consequence analysis tornado analysis

Given a large sample with a mean of 68 and a SEM of 10, input the smallest whole number (no decimal) that would fall outside a 95% confidence interval? It can either the upperbound or lowerbound.

1.4 What is approximate diameter of Ash pit? Instructions: 1) Use the same kmz file as the pervious question: introduction_to_google_earth.kmz 2) (double-click) Open and check Mt. Kilimanjar.Move your mouse(hand) over top of Mt. Kilimajar and pay attention to features that appear there; Move your mouse(hand) over top of Ash pit (zoom in to measure

Suppose a small breakfast shop records the total sales (in dollars) each business day. A histogram of the sales follows the normal curve reasonably well, the average is $225 in sales on a business day, and the SD is $58. About ____% of business days, the shop sees at least $300 in sales. Fill in the blank with a whole number

While eliminating or rewriting items in a test during the test revision stage, a test developer must _____. Multiple choice question. balance the strengths and weaknesses across items make sure that the items being eliminated are invalid write a small item pool in the domain in which the test should be sampled retain the easy items and delete the

Assume that a randomly selected subject is given a bone density test. Bone density test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find P7, the 7th percentile. This is the bone density score separating the bottom 7% from the top 93%.

After reviewing the results of the bivariate analysis, the company found that the impact of years of service at their company has on workers' productivity levels is significantly related. However, a statistician reviewed the output and said that the results really do not explain much of what is happening in the total relationship

An octahedral stress plane is one whose normal makes equal angles with each of the principal axes of stress. (a) How many independent octahedral planes are there at each point? (b) Show that the normal stress on an octahedral plane is given by one-third the first stress invariant. (c) Show that the shearing stress on the octahedral plane is given

Given the followinghypotheses: H 0: 36 H A : >36 with the following information:n = 400, Test the hypotheses at significance level =0.05 (critical value for Z =1.645)

What are quantifiable conditions that place limitations on the set of possible solutions

Manny collects student data on 5 variables: exam score, absences, time spent studying, attendance, and IQ score. Which of these variables are likely to be positively correlated with exam scores? Which of these variables are likely to be negatively correlated with exam scores

Selecting the sample is very important. Imagine the student doing the study chooses to sample sociology majors who attended her university and are members of Alpha Kappa Delta but did not pursue an advanced degree. Which of the following would be true about the sample? This would be a simple random sample. This would be a sample of convenience.

Pearson revises books each semester and the mean number of pages for 2010 is 568 with a standard deviation of one hundred fifty pages. If you hate to read, what is the chance you will have to read a book thathas more than Seven hundred thirty three pages?

In this study : Association Between Administration of IL-6 Antagonists and Mortality Among Patients Hospitalized for COVID-19Links to an external site. A Meta-analysis Groups were stratified into groups. What is the type of stratification used? a. qualitatative b. quantitative

6. "Knowing what data are available often serves to narrow down the problem itself as well as the techniquethat might be used." Explain the underlying idea in this statement in the context of defining a research
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Maria is ordering 3 bags of cat food from Canada. Each bag has a mass of 5kg . To determine the shipping costs, Maria needs to know the total weight in pounds. What is the weight of the cat food in pounds? Use1kg=2.2lb and do not round any computations

Your textbook emphasizes the importance of EPSEM samples. Which of the following are true of EPSEM samples. (Choose all that are correct) a. sample sizes must be greater than 100. b. everyone in the population has an equal probability of being selected. c. if you follow epsem procedures, your sample will always represent the population. d. even if

The head of the risk management department at a car manufacturing company has identified the following crucial loss exposures: (1) defective product with slight probability and significant loss severity and (2) damage to the company's public image with moderate probabil- ity and high loss severity. Based on these loss exposures, answer the

After conducting a study, we conclude that the mean budget allocated for eating out each week is about the same for males and females; however, the standard deviation is higher for females than for males. What does this mean? Females allocate more per week than males. The distribution of budget allocated for eating out is the same for males and

A correlation coefficient of 0.05 suggests that a as x decreases, y increases b as x increases, y decreases c there is a weak relationship between the variables d there is a nonlinear relationship between the variables

Vertical Space, a construction company, must complete the construction of a large apartment complex by the end of the next year. To meet this target, the site engineers have made detailed plans. In this scenario, Vertical Space's plan to complete one floor each week is an example of Group of answer choices a capstone goal a distal goal a passive

Estimate the same model using heteroskedasticity-robust standard errors. Report the results. Do the coefficients of the model change? Do their standard errors and t-statistics change? Does this affect your interpretation of the results for any included explanatory variables, compared to point 1) model

A researcher investigates the effectiveness of a new exercise program on flexibility. They measure flexibility scores before and after the program for a group of participants. The data is not normally distributed. Which nonparametric test would be most appropriate? A researcher investigates the effectiveness of a new exercise program on

[ll [12 [13 (11 1/ 2 1 [4 1/4 (12 1/8 [J 7/8 (1:; 2/5 3/5 U 1). Set up the steady state equations and compute 11'3- for each state j. 2). Is this the long-run probability or long-run average probability of the system? Explain your answer. 3). Now, suppose this chain describes a gambling game. The prizes are 5, 1, 10 dollars for the states 1, 2,
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write this in english, "En resumen, mejorar el entorno de tus plantas en macetas durante el invierno es posible con mtodos sencillos y accesibles. Hacer la tierra ms absorbente con un panel descartable, fabricar un regador automtico con hilos de lana y construir un invernadero casero con una bolsa de plstico son tcnicas efectivas para asegurar que

112 minutes remaining & Question 4 A set contains 2 elements. How many subsets does the set hav A 2 D Question 5 Given A = (2 3 - 5 6 7 8 9), and B = (G . > = N and 2 4 x 6 8), cons d
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Determine whether the variable is qualitative or quantitative. Explain your reasoning. Parcel tracking numbersParcel tracking numbers Question content area bottom Part 1 The variable is qualitativequalitative quantitativequantitative because tracking numberstracking numbers are attributes or labels.attributes or labels. numerical

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