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Mathematics Questions and Answers June 04, 2023

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35. If 20 lb of rice and 10 lb of potatoes cost $16.20, and 30 lb of rice and 12 lb of potatoes cost $23.04, how much will 10 lb of rice and 50 lb of potatoes cost
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Using Industrial Engineering Applications in Statistics,build a spreadsheet using existing data to practice in statistics or analytics.Show your work in the spreadsheet and provide a brief written explanation of your learnings sought and achieved. Complete the first three steps of the DMAIC process.

In the article Lambert, A., Wang, C.H., & Tsai, P.F. (2022). Prenatal education intervention for increasing knowledge and changing attitude toward offspring obesity risk factors. The article states that "Among the participants, 80.6% of them were Caucasian (n = 29), 16.7% were African American (n = 6), and 2.8% was Asian (n = 1)." This is an

1. The arithmetic mean (use both short method and long method) N 2. The mode 3. Variance (use both short method and long method) 4 Standard deviation 5. Coefficient of variation Class 0-4 5-9 192 10- 14 280 15- 19 105 20-24 m 25 - 29 Total 680
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Research suggests that most individuals are loss averse. Which of the following statements best describes loss-aversion? Select answer from the options below Individuals are more satisfied with gaining $100, than they are dissatisfied with losing $101. Individuals are more dissatisfied with losing $100, than they are satisfied with gaining $100.

Create an interaction term (that is, product) of two variables: yngkids and male. Estimate the model from part 1), including this interaction term. Report the results. What conclusion you can make about the difference in sleeping time between men and women with young kids? Explain

The ______ describes how much, in general, the scores in a sample differ from the mean

In a randomized controlled trial, the process by which both the researcher (clinician), and the subject are kept unaware of which group (test group or control group) the subject has been assigned, is referred to as __________________________. A. Randomization B. Single blinding C. Double blinding D. Triple blinding

Escoger Choose the correct verbs from the word bank and conjugate them to complete the following sentences. Word Bank reference Your options are: cantar, haber, llegar, poder, saber, Question 1 with 1 blank Nos sorprende que t no 1 of 1 nadar. Question 2 with 1 blank Temo que ellos no 1 of 1 a tiempo a clase. Question 3 with 1 blank Andrs tiene

A correlation coefficient (r) is - 0.77, what percent of the relationship cannot be explained? Question 16 options: a) 77.00% b) None of the above c) 23.00% d) 40.71% e) 59.29%

Name That Fallacy: A quiz only counts for a tiny percentage of the final grade, so I don't see how failing all of them could really hurt

Most Connecticut households use gas, fuel oil, or electricity as a heating source. A random sample of 20 Connecticut households was taken and the type of heating source was recorded for each. The data are in the table below. Electricity Electricity Electricity FuelOil FuelOil FuelOil Other FuelOil Other Gas FuelOil FuelOil Electricity Gas Gas

4. Generate a table that reports the coefficient and sign (plus [ ] or minus [-]) for each variable, along with the statistical significance of each variable (significance or non-significance). Provide an interpretation of the R-square value for the overall model

j. Private universities' mean tuition cost is more than $20,000 per year. Alternate hypothesis u520000 u>20000
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find probability Online A national retailer has tracked customers who visit its website and determined that 37% will make a purchase from the website within six months of their first website visit. Eight people who visit the website are selected at random as a sample. a. Determine the expected number in the sample who will make a purchase within
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What is the most commonly used measure of dispersion? Variance Range Mean deviation Standard deviation
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In a 1976 study, Kunz and Woolcott sent Christmas cards to a sample of complete strangers. According to the rule of reciprocation, what would we expect the majority of the recipients to do? a. Send a Christmas card to the researchers. b. Contact the researchers to find out who sent the card. c. Return the card to the researchers, since it must

Determine how the two types of data will be combined Determine the order in which they will implement qualitative and quantitative aspects Ensure that qualitative and quantitative data are equally weighted Determine the theoretical framework for the design

Baby Jack was weighed at 3, 6, 9 and 12 months and his weight was plotted on the WHO growth chart. Which of the following would NOT be a red flag that Jack needs nutritional intervention. Group of answer choices From 9 to 12 months, Jack's length remained at 75 cm. From 6 to 9 months, Jack's weight for age percentile remained at the 25th

Which of the following would be the best experimental method to determine the absolute threshold for some stimulus? Group of answer choices Present a brief flash of light and ask participants to press a button if they see it, while continually lessening the intensity of the light. Present a brief flash of light, then a second flash, and ask

The goal of matching is to . Group of answer choices make sure that your IV of interest is not "confounded" with the matching variable(s) satisfy the Bradford Hill criteria ensures the relationship between the IV and DV is no longer affected by the third variable

A group of dancers consists of 7 mAles and 15 females. If 2 dancers are selected at random from the group one at a time and with no replacement, what is the probability that exactly one of the selected dancers is female?

Next, using the same data, you would like to find out the probability that a person will score between 150 and 160 on the GRE. What should you do to find that probability? option 1: find the area between the scores of 150 and the score of 160. or divide the score 160 by the mean score of 150 and multiply the result by 100

What is the term for a shot made by tilting the camera at an angle on the subject? Group of answer choices a low-angle shot a high-angle shot a canted shot a reverse shot

________ should be used as a placeholder to the left of the decimal point when there is no whole number. Group of answer choices A zero A 1 Nothing A 5

Which of the following is consistent with the null hypothesis for the interaction of factors A and B in a two-factor analysis of variance? a. A = B b. A B c. The mean differences between treatment conditions are not what would be predicted from the overall main effects of Factors A and B. d. The mean differences between treatment conditions are

uppose that P 1 has two types {0, 1}. P1 realizes their type and knows it, but P2 does not know P1's type for certain. P2 has the belief that nature assigns P1 the type = 0 with probability, and the type = 1 with 1 probability. The two play the following static game where payoffs depend on P1's type

can you answer:"Horsepower and weight. How does horsepower and weight affect the mileage of a car? Data from a sample of several cars were collected and presented below: a) State the multiple regression equaton; b) Interpret the meanings of both slopes; c) Predict miles per gallon for cars that have 200 horspower and weight 3650 pounds

Sampling Distributions. Given a population mean (), a population standard deviation (), and a sample size n, how do you determine the mean and standard deviation of the distribution of sample means? Given a population proportion (p) and a sample size n, how do you determine the mean and standard deviation of the distribution of sample proportions?

(x)=7|x| Step 2 of 2 : Find two points on the graph of this function, other than the origin, that fit within the given [10,10] by [10,10] grid. Express each coordinate as an integer or simplified fraction

find standard deviation \f
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The normal distribution, also known as the Gaussian distribution, was discovered by Carl Friedrich Gauss in 1809. Gauss was trying to create a probability distribution for astronomical errors - errors that were made by astronomers while observing a phenomena such as distances in space. For example, Gauss found that an astronomer trying to estimate

in high school do you subtract rushing yards from total

Find the smallest possible positive coterminal angle to 630. Enter the number only, no degrees

Some healthcare providers believe a person can lose 6# on average.in a month by decreasing Kcal and exercising. Suppose weight loss has a normal distribution. Let X=the amount of weight lost by a person in a month. Standard Deviation = 2 pounds. a, What is the distribution equation for X? b. Anne lost 8# in a month. What is the Z score? What is

what are tasks left to do Risk Factor Assessment: - Find those who are at risk by checking for things like obesity, high cholesterol, smoking, and high blood pressure. Find the starting points for each risk factor's measurements so I can monitor their development

A group of 6 people decide to buy gifts based on those in the song "The 12 days of Christmas". If each person chooses a day at random, what is the probability that they all choose different days?

I need help with Signing Naturally Tic Tac Toe homework 2:3

reword this: Responsibility Management The Self-Regulatory Responsibility Management Scale (SRRM) was developed by our own research team for the purposes of this study. Scores range from 4 to 28, and the measure is correlated with perceived accomplishment of activity-specific responsibilities. Cronbach's alpha coefficients were .73, .70, and .80.

A researcher is interested in determining if there is a statistical relationship between the number of hours spent on social media and levels of anxiety among teenagers. The researcher gathers data from 500 participants and applies statistical analysis to understand this relationship. What type of research is being conducted

Para la media poblacional se dio el siguiente intervalo de confianza de 95%, de H E (152, 160). Sio = 15. i Cual es el valor de la media de la muestra? x = Cual es el margen de error? & Cual es el tamano de la muestra que se uso en este estudio? n =

Construct the indicated confidence interval for the population mean p using the t-distribution. Assume the population is normally distributed c= 0 95, x - 13.2, s = 2.0, n=8 (Round to one decimal place as needed.)
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Which is the correct combination of definitions for concepts in measuring intelligence? Question 6 options: validity: a set of uniform procedures for administering a test standardization: a statistical term describing traits within a population normal distribution: the degree to which a test measures what it intended to measure reliability: the

A multiple choice question on a quiz contains 10 questions with 5 possible answers each. Compute the probability of randomly guessing the answers and getting 9 questions correct.

1. Definicin de modelado y simulacin: debe explicar qu es el modelado y la simulacin, y cmo se utiliza para comprender y analizar sistemas complejos. 2. Aplicacin en la industrial: Describir como el modelado y la Simulacin se aplica en la industria para mejorar la eficiencia, la optimizar procesos, reducir costos, predecir rendimiento. 3. Tipos de

Review the Solid Tumor Rules ppt presentation for an example of how to use the Solid Tumor Rules manual to determine the number of primaries and histologies for a case. Also, read the Solid Tumor Rules instructions, pp. 4-16. Then, complete the following practice exercises below. The answers follow the exercise but please try on your own first as

In this question, the two given angles form a pair of linear angles, so their sum should equal 180 degrees. The expressions for the two angles are 12 x 8 12x8 and 10 + 10 x 10+10x. Set up the equation: ( 12 x 8 ) + ( 10 + 10 x ) = 180 (12x8)+(10+10x)=180

Help with this please. Thank you so muchhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh \f
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Which of the following statements is true on the concept of statistical significance? a. results were sufficiently unlikely to have occurred by chance b. results are typically specified and denoted as a probability c. all of the choices O d. results may have been attributed to systematic manipulations Next page

In an experiment we choose one letter at random from the set: S = {a,b,c,d,e,f,g,h,l,o,w,z}. Let E be the event "Chooses a vowel", and F be "Chooses a letter before "o" in the alphabet". Which one of the following statements is true: (A)It cannot be determined if E and F are mutually exclusive. (B)Events E and F are independent, and mutually

Which of the following is NOT the way to write a statistic in the narrative? The mean age of participants was 26.5 years. Responses were compared using 2 analyses. The sample size was 45 older adults

In a class of 200 students, 70% are in a club and stay after school. The rest of the students go home. If 20% students are scholarship students, and 48 of the non-scholarship students are not in a club, how many club members have scholarships?

the daily income of bank auditors in SSS Commercial Bank is normally distributed with a mean of P675 and standard deviation of P50. What is the z value for the income X of a bank auditor who earns P750 daily? For an auditor who earns P550 daily?

9.2.3 All Fresh Seafood is a wholesale fish company based on the east coast of the U.S.Catalina Offshore Products is a wholesale fish company based on the west coast of the U.S.Table #9.2.5 contains prices from both companies for specific fish types ("Seafood online," 2013) ("Buy sushi grade," 2013).Do the data provide enough evidence to show that
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A clinical trial is conducted comparing a new pain reliever for arthritis to a placebo. Participants are randomly assigned to receive the new treatment or a placebo, and the outcome is pain relief within 30 minutes. The data are shown in Table 7.8. Is there a significant difference in the proportions of patients reporting pain relief? Run the test

A doctor claims that a particular treatment will cure patients in 7 days on average.A study of 31 patients showed a sample mean of 6.86 and a standard deviation of 0.4. What would be the test static in order to test the claim? A company claims that on average, their product lasts at least3 years.A study of 45 products showed a sample mean of 2.06

If X and Y are independent binomial random variables with identical parameters n and p. i) Identify the conditional pmf of X given that X + Y = m. Provide the name and parameters of the corresponding distribution. ii) Deduce, from your knowledge about this distribution, E(X | X + Y = m)

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 dependent variables are there in this study? Group of answer choices Three Two One Four including the independent variable

give the summary of the article. and explain which statistical concept it relates to. for example, in normal distribution, bell curve, positively or negatively skewed. give opinion http://www.uniindia.com/idiosyncratic-food-sticky-core-inflation-can-obfuscate-rbi-policy-choices-ghosh/east/news/2916962.html

A doctor claims that a particular treatment will cure patients in 8 days on average.A study of 35 patients showed a sample mean of 6.86 and a standard deviation of 0.2. What would be the test static in order to test the claim? A company claims that on average, their product lasts at least3 years.A study of 94 products showed a sample mean of 4.82

What law provides confidentiality and fair testing? Group of answer choices NCLB ADA IDEA P.L. 94-142

This is the code for creating the custom group. real_dataset2$cust_grp

how to find the equation of the tangent line to tan^2 (x) at x=pi/4 in the form of y=mx+b

The functions f and g are defined as f(x) = 10x + 3 and g(x) = 5 - 8x. a) Find the domain of f, g, f+ g, f - g, fg, ff, , and b) Find (f+ g)(x), (f -g)(x), (fg)(x), (ff)(x), (x), and
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A researcher records the amount of time (in minutes) that parent-child pairs spent on social networking sites to test whether they show any generational differences. Parents spent significantly less time on social networking sites compared to their children (M D = 42 minutes), t(19) =3.262, p < 0.05, d=0.75. State the sample size.

Convert 45,880 mL to liters. Group of answer choices 0.4588 L 45.88 L 4.588 L 458.8 L

4) Using the area in figure, find the area to the left of Z = -2. 1.34.34: 135 .135 .0214 10214 0123 a) 0 0.045 b) 0 0.025 c) 0 0.075 d) 0 0.055
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Hypothesis testing is instrumental for science. According to the lectures, a null hypothesis states that there Group of answer choices is one relationship between variables is no relationship between variables are many relationships between variables we did not study this

You have 5000 kr. you deposit it into an account with 7% annual interest with an update twice a year. How much do you have in 5 years

Using the graph, find the equation of the line in slope-intercept form. 12 NOEDE What is the slope-intercept form of the equation of the line? (Simplify your answer. Use integers or fractions for any numbers in the expression.)
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c.i = Ps + Z PU ( 1 - PU ) N c.i.=0.28 1.960.25/1462 solve the problem step by step with the information provided

The elevation E, in meters, above sea level at which the boiling point of a certain liquid is t degrees Celsius is given by the function shown below. At what elevation is the boiling point 89.57 90? E(t) = 1000(90 -1) + 560(90 -1) At what elevation is the boiling point 89.5"? E(89.5) = 795 meters
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The following visuals/manipulatives support the development of fractions using the length model? Group of answer choices Pattern blocks. Tangrams. Cuisenaire rods. Geoboards

whats the mean medium and mode of these numbers 75, 80, 62, 78, 72, 91, 85, 79, 70, 85, 67, 55, 60

A doctor wants to encourage her patients to exercise. She wants to use the amount of exercise her patients do to estimate their cholesterol levels. Which statistical method would be best to use in this situation? Dot plot Hypothesis testing Regression analysis Confidence interval

Identify the price that maximizes the total revenue. Show the thought and work process that you used to get to the

A researcher wants to find out whether caffeine affects academic performance. She gets 30 volunteers. She has each roll a die. If the number is even, they get caffeinated coffee. If the number is odd, they get decaffeinated coffee. What technique is she using

When you engage in unsupervised learning to continuous data, what type of machine learning problem is this? Question 3Select one: a. Regression b. Dimensionality Reduction c. Clustering d. Classification

Several yearsago, 38% of parents who had children in gradesK-12 were satisfied with the quality of education the students receive. A recent poll asked 1,075 parents who have children in gradesK-12 if they were satisfied with the quality of education the students receive. Of the 1,075 surveyed, 463 indicated that they were satisfied. Construct a

Find the linear equation and graph the linear functions in each of the following cases: Contains (-1,1) and (2,3) Contains (2,3) and m=0 Contains (2,-4) and Screenshot_7.jpg Slope: -3 and y-intercept: 3 X- intercept: -4 and y-intercept: 4 Parallel to y=6x-3 containing (1,2) Parallel to x2y=5 containing (0, 1) Parallel to Screenshot_9.jpgcontaining

For each graph, choose the function that best describes it. (Choose one) (Choose one) (Choose one) f(x)=1 () =x 0=+ : ()= f0)=/x 7&)= || )= ()=
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Re-write each expression into vertex form by completing the square. 1 . 412 - 16t + 12 2. -2x2 +8x - 18 3. 3r2- 18r - 12 4. -5h2 - 20h + 3 5. 3y - 24y -4 6. -2u'+124+7
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The number that represents the central score, around which the other scores cluster, is the ______

Which of the following would be a pertinent factor in determining the scale or category of C.P.T.E.D.? a. The cost of renovation b. The average income level of the populace of the city or region c. All would be factor d. None would be a factor e. The fear of crime

Jose works for an auto insurance company and decides to investigate the relationship between age and traffic tickets. He creates a bar graph showing how the percentage of traffic tickets received decreases as people age. What type of data is Jose utilizing? Question 12Answer a. Scientific Method b. Hypothesis c. Qualitative d. Quantitative

A researcher conducts a hypothesis test to examine the hypothesis that stress is positively associated with greater impulsive decision-making. Which statement below is consistent with the null hypothesis for this hypothesis test? a. < 0 b. > 0 c. 0 d. 0

46 Determine the issue with the statistical evidence below. Statistical Evidence You want to hear all WVU students' opinions about the food at the Mountainlair, so you ask WVU seniors. ONot enough cases Oincorrect sample population OUnrepresentative sample OInvalid data collection

Similar to Montgomery 6.4.9 An article in Nature Genetics ["Treatment-specific Changes in Gene Expression Discriminate In Vivo Drug Response in Human Leukemia Cells" (2003, Vol. 34(1), pp. 85-90)] studied gene expression as a function of treatments for leukemia. One group received a high dose of the drug, while the control group received no

Zoo keepers gathers information to assess the status of hunted populations in California. Hunting targets for cows are set at 60% adult males, 30% adult females, and 10% calves. Does the data from the previous year (below) differ significantly from the targets. Adult male = 64; Adult female = 45; Calves = 28.state the null and alternate

Published data in College Board's 2020 SAT Annual Report stated that the mean SAT composite score for the 2.2 million high school graduates who took the test in 2020 was 1051. The 2020 SAT scores were normally distributed with 68% of student scores occurring within one standard deviation of the mean, 95% of student scores occurring within two

a) Determine la rentabilidad por cada inversin. de las operaciones bursatiles

What does the prefix centi- mean? one thousand one-thousandth one-hundredth

You look over the songs in a jukebox and determine that you like 15 of the 53 songs. (a) What is the probability that you like the next four songs that are played? (Assume a song cannot be repeated.) (b) What is the probability that you do not like the any of the next four songs that are played? (Assume a song cannot be repeated.) Question content

In a recent study, the following data were obtained in response to the question, "Do you favor recycling in your neighborhood?" Yes No No Opinion Males 25 15 10 Females 30 10 10 If a person is picked at random, what is the probability that the person is male ?

Solve the following quadratic equation by factoring. x squared minus x equals 30 Question content area bottom Part 1 The solution set is StartSet nothing EndSet . (Simplify your answer. Use a comma to separate answers as needed.)The formula Upper N equals StartFraction t squared minus t Over 2 EndFraction describes the number of volleyball games,

29+23+21+14+26+22+32+25+19+25+31+23+27+35+28+31+21+31+29+19+16+25+17+37+18+17+26+20+23+27+30+28+25+22+27+26+24+27+23+32+18+25+28+19+26+20+25+19+26+23+22+28+21+23+21+23+29+24+27+27)median

so, if there is an X,Y plot and it shows all the data are scattered. what does it mean? is X significant to Y (vice versa) or not

Skip to Main content Question 1 Question 2 Question 3 Question 4 Question 5 Question 6 Question 7 Question 8 Question 9 Question 10 Question 11 Question 12 Question 13 Question 14 Question 15 Question 16 Question 17 Question 18 Question 19 Question 20 Question 21 Question content area top Part 1 Solve the formula for the specified variable. Upper

In a recent study it was found that the correlation between anxiety and depression was +0.72. David interprets this to mean that high levels of anxiety lead to high levels of depression. How is David misinterpreting these data

What is an early method to use to help students see the connection between fractions and decimals fractions? Group of answer choices Show them how to use a calculator to divide the fraction numerator by the denominator to find the decimal. Be sure to use precise language when speaking about decimals, such as "point seven two." Show them how to

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