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Mathematics Questions and Answers May 21, 2021

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69. Arc length Find the length of the curve y ln (sin x), sxs 6
69. Arc length Find the length of the curve y = ln (sin x), sxs 6

For the circuit shown in the figure, the capacitors are all initially uncharged, the connecting leads have no resistance, the battery has no appreciable internal resistance, and the switch S is originally open. (a) Just after closing the switch S, what is the current in the 15.042,5.02,10.002, and 20.052,resistor (b) After the switch S has been

Find the cosine of the angle between v and w. Cos 0 ,v (4,8,3) w (7,9,6)
Find the cosine of the angle between v and w. Cos 0 =v = (4,8, 3) w = (7,9,6)

1. (a) Let A 0 Find all 2x2 matrices B which satisfy the relation AB BA. (b) Use row reduction and backsubstitution to solve the following system of equa tions 1 3 1 2xyz x 2y z 2x z (d) Find the inverse of the matrix A det (c) Find all conditions on a and 6 for which det 1 2 a a 3a 1 ab b a 0 2 a 1 1 0 1 1 0 1 1 2 0.,2. Consider the
(a) Let ( A=left[begin{array}{cc}0 & 1 1 & -3end{array}right] ). Find all ( 2 times 2 ) matrices ( B ) which sa2. Consider the following matrix equation: [ left[begin{array}{lll} 2 & 1 & 1 a & 0 & b b & 0 & 1 end{array}right](a) Show that the following set of vectors is a linearly independent set: [ left{left[begin{array}{l} 2 0 1 0

a)Use SPSS to compute ANOVA table for the following data. What does this data show? b)Use dot plot to display data of various types of meat and comment. c)Illustrate and interpret the use HSD and Bonferroni method for this given data. Output and solution Spss file uploaded as answer. \f
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---------------------------------- A random sample of 12 joggers was asked to keep track and report the number of miles they ran last week. The responses are 5.5 7.2 1.6 22.0 8.7 2.8 5.3 3.4 12.5 18.6 8.3 6.6 a. Compute the three statistics that measure central location. b. Briefly describe what each statistic tells you
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statistics iii. Question 10 (5 pts) 90% C.I. of E[yp] is (????,45015) Interpret this confidence interval to the vice-president of public relations. ???? Water Usage (in thousands of gallons) Residuals ve Predicted Peak Season Water Usage Residuale 400 -40 30 100 120 2030 300 430 7DO Off Season Water Usage Predicted 2 Normal Q-Q Plot Sample
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First, You'll need to find your own data set to conduct a Wilcoxon Signed-Ranks test for matched pair data using the attached Excel template ( ) . Then please be sure to explain in the Excel sheet (Cell A1) what the data is and what the source is. Chapter 13 Excel Lab Template Here is the example and the template in this video:

4. Consider the LP minimize clx (1.3) subject to Ax
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What is the image point of(3,8)after the transformation R 90 T 5,1?

Hi! could you please help with this question and explain it to me: Generate two random numbers between 0 and 1 and take Y to be their sum. Then Y is a continuous random variable that can take any value between 0 and 2. The density curve of Y is the triangle shown in the figure below. Height = 1 2 (a) What is the area under the curve? (b) What is
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An investigator hypothesizes that cholesterol levels in children might be affected by educating their parents on proper nutrition and exercise.A sample of 40 families with a child between the ages of 10-15 who has been diagnosed with high cholesterol agree to participate in the study.All parents are provided educational information on nutrition

Aqu dejo brevemente algunos pensamientos sobre el Da de San Valentn. Tendemos a pensar que nuestro mundo es muy grande, que la gente que vive en l es tan diversa y diferente. Que tenemos tantas cosas que nos hacen opuestos, que a veces nos olvidamos de que todos somos humanos. S, somos miles de millones en este planeta, y puede que todos tengamos

3 It would be appropriate if the authors refrain from simply calling a study 'prospective' or 'retrospective' because these terms are ill defined. We recommend that, whenever authors use these words, they define what they mean. Most importantly, we recommend that authors describe exactly how and when data collection took place. 4 Give the

Assume a normal distribution and find the following probabilities. (Round the values of z to 2 decimal places. Round your answers to 4 decimal places.) (a) P ( x <19| =21and =4) (b) P ( x 46| =30and =7) (c) P ( x >28| =30and =6) (d) P (15 < x <20| =19and =4) (e) P ( x 103| =90and =2.82)

Suppose f(x) is continuous on [a,b]. The average value of the function f(x) on the interval [a,b] is Suppose f(x) is continuous on its domain [a,b]. The Mean Value Theorem for Integrals tells us that there is a number c in (a,b) such that f(c) is equal to O the maximum of the function f(x) 0 the derivative of the function f(x) 0 the integral of
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Looking for a solution to this question Suppose a random sample of size 49 is selected from a population with o = 10. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate). a. The population size is infinite (to 2 decimals). 1.43 b. The population size is NV =
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I need help with this page in Geometry. 10% Be sure to review chapter 10; contact Seton when you have questions or need help. Then redo this test. Remember to use a compass and straightedge and to show all construction markings. God bless you. HM GEOMETRY - ALTERNATE CHAPTER 10 TEST NAME: Raphael ID: DATE: Note: (1) This test may be taken as a
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The Holm test is an example of a multiple comparison method that controls the false discovery rate instead of the the experiment-wise error rate. True or False

an equation for a rational function with: Vertical asymptotes at x = -3 and x = 5 x intercepts at x = -1 and x = 3 Horizontal asymptote at y = 7 y =

Complete the following in R: The following MIDTERM.EXAM.DATA dataset contains 5 variables. Data was collected at a store on how well products sold depending on their shelf placement. Data was collected every day in the morning and evening. Data was collected 6 days in a row. The first is the number that identifies which product was being observed.

pls help answer 27. A man watches a bottle rocket launch from 40 feet away. 3 seconds after liftoff he has an angI'e of elevation of 30 degrees. After 10 seconds, he has an angle of elevation of 55 degrees. Assuming the bottle rocket was launched vertically, how far did the rocket travel during the last 7 seconds? P "- 40 feet 28. A person stands
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Question 1 - 7-1 and 7-2 Please be as descriptive as possible, and I'd appreciate it if the answers were made obvious so that I am clear on which answer I need to arrive at. Thank you! The question is inside the image. Use the sample data and confidence level given below to complete parts (a) through (d). A research institute poll asked
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Sam was studying birth weights of infants in Somalia. He took an SRS (simple random sample) of 100 births and calculated a sample mean birth weight of x-bar = 3.2kg. The sample data was slightly skewed with a few outliers. He is considering using his data to construct a confidence interval for the mean birth weight in Somalia. What conditions for
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The General Fund of Attmore County has a total fund balance of $1,062,500. The total includes the 4 items shown below. Taking account of those 4 items, prepare the fund balance section of its General Fund balance sheet. 1. Attmore uses the purchases method to record supplies acquisitions. Attmore considers its year-end inventory of $140,000 to be
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13. Switch back to the All Types worksheet. Use the Scenario Manager as follows to compare the prot per hour in each scenario: a. Create a Scenario PivotTable report for result cells Bl7:D17. b. Remove the Filter eld from the PivotTable. c. Change the Number format of the Prot_Per_Hour_Contracted_Mana, Prot_Per_Hour_Contracted_Chan, and
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Geog 1502: Mapping Our World | 2 Use these headings in Canvas when answering these questions in the forum. Title: Content: Idea/insight: Notes 0 Review your post before you post it and then again once it is in the forum. 0 You have 15 minutes to delete or edit your post if you want to try it again. Part 2: Respond to another post After you have
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The maximum background radiation that the average person receives in one year is about 3 mSv. Choose all the answers that are correct. A person would have to be scanned at an airport security about 12,000 times to get the same amount of radiation that they receive naturally in one year. A person would have to get 30 chest x-rays to get the same

Question 1 (10 points). For a newly installed machine, a series of 184 density measurements were taken over 46 daily samples of size 4 (that is, we have 46 sub- samples or groups of 4). The process is assumed to be in a state of a statistical control when p = 252 and o = 1.2. The data are contained in the DENSITY file
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Write the phrase from the word bank needed to complete each description about what is logically located on or around Fabrice's dinner table. au milieu de | au-dessous de | au-dessus de 1. Il y a un bouquet de fleurs enter answer la table. 2. Son chien est enter answer la table. 3. Il y a un lustre (chandelier) enter answer la table. 4. Les pieds

2. Find a vector v for which the vectors 1 2 2,1,1) 3 0 form a basis for R3. Find two other vectors that are not multiples of each other or of 12 that would also form a basis for R3 in place of v
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An agent for a residential real estate company in a suburb located outside a major city has the business objective of developing more accurate estimates of the monthly rental cost for apartments. Toward the goal, the agent would like to use the size of an apartment, as dened by square footage to predict the monthly rental cost. The agent selects a
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1 of 5 Given a data set that can be graphed as a standard normal curve, respond to the prompts below. (1 point each) What defines the graph? I.e., what determines the shape of the graph and what is the relationship between these defining characteristics? What must be done in order to transform a normal distribution of data into a standard normal

1. Based on the theoretical sampling strategy, how many samples of size 4 (n=4) can be drawn from a population of size: a. N=61,296 samples b. N=1010,000 samples c. N=20160,000 samples d. N=506,250,000 samples 2. Based on the experimental sampling strategy, how many samples of size 4 (n=4) can be drawn from a population of size: a. N=615 samples

For an ANOVA model on 4 treatment groups, there were six replicates, but conducted in blocks. (a) Find the least-squares estimates for the model parameters. (b) The error sum of squares is 500 and the block sum of squares is 250. If the experiment had been conducted as a completely randomized design, can you find the estimate of the error variance?

Let M = (S,P, Linit,AP, L) be a finite Markov chain, s S and C,B S, n IN, n >=1. Let C U=n B denote the event that a B-state will be entered after exactly n steps and all states that are visited before belong to C. That is, s0 s1 s2 . . . |= C U =n B if and only if sn B and si C for 0 = < i < n. The event C U >=n B denotes the union of the events

Fred and Carrie are thinking of purchasing washing machines that have a 20-pound capacity, meaning that each machine can hold 20 pounds or less. The inequalities below demonstrate the number of machines needed, based on the number of pounds of laundry a customer brings in (n.) M= number of washing machines needed n= number of pounds of laundry 1

Anderson, C. (2004, February). Technology's long tail Links to an external site. [Video]. TED Conferences. https://www.ted.com/talks/chris_anderson_technology_s_long_tai Review the video on technology's long tail and select one of the graphs presented in the video. Reflect on what the graph you selected shows, including what variables are on the

The average expenditure per student (based on average daily attendance) for a certain school year was $10,337 with a population standard deviation of $1560. A survey for the next school year of 150 randomly selected students resulted in a sample mean of $10, 798. Find the 95% confidence level? Should the null hypothesis be rejected?

11. Consider the differential equation dy y dt 72 (a) Show that the constant function y1 (t) = 0 is a solution. (b) Show that there are infinitely many other functions that satisfy the different tial equation, that agree with this solution when f _ 0, but that are nonzero when t > 0. [Hint: You need to define these functions using language like "y
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Farell is a member of Sierra Vista LLC. Although Sierra Vista is involved in a number of different business ventures, it is not currently involved in real estate either as an investor or as a developer. On January 1, year 1, Farell has a $152,000 tax basis in his LLC interest that includes his $135,000 share of Sierra Vista's general liabilities.

Let L be the line spanned by in R4. Find a basis of the orthogonal complement LL of L. Answer: 6 To enter a basis into WeBWorKI place the entries of each vector inside of bracketsI and enter a list of these vectors, separated by commas. For instance, 1 1 if your basis is 2 , 1 , then you would enter [1 ,2,3],[1,1,1] into the answer blank. 3 1
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All of the following facets comprise a well Rounded understanding of integration except for integration as a holistic term comprised of multiple domains integration as an approach integration as a biblical command integration as an academic field

SEATWORK #4B GOOD e Prove the statement by inductively JOB! 1. 2 + 6 + 10 + ...+ (4n - 2) = 2n2 2. 1+ 4+ 7+ ..... + (3n-2) = n ( 3n - 1) show that nal 2 SAYS true 2 assume uck is true show n=ktl is true
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Please, check this homework for me and see if I'm right or wrong. Also, can you do the other two questions for me? Thanks! MTH 243 - PCC ( Lee) Name: (89J) 209 - EAS HTM 1 .5 d. [2 pts] Are there any outliers in this data set? (Show your fence calculations.) Q 3 - , H MIN ED QIQRE BOOK 68 dile . Range (Box) Q1 7 68in ( Q ) ups 239 (91W viaislamos
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is around 2.8/min - your model should also give this value (a more exact value is 2. much more precision than you would ever need but it will help you to determine if working!). Since none of the counts in this volume exceeds 100 particles/ ft3 of 0.5 | could be a Class 100 environment under Fed. Std. 209E. Now consider the following scenarios:
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\fGiven points E(1, -4) and F(1, 8), write the equation of a circle with EF as the diameter. O (x + 1)2 - (v - 2)= = 50 O ( x - 1)2 + (v + 2)= = 50 O ( x + 1)2 - (v - 2)= = 150 O ( x - 1)= + (y + 2)= = 150\f\fWrite the standard equation of the circle with center (-1, 4) that passes through the point (-5, 4). Ox1)0% + (y+ 4)72=2 Ofx1)02 + (y+
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Week 8 Math 101 review and discussion problems. Ka g mg S 9:415 MO 1. 9415 mcg = 4. 45 ml = 3 T x 1000 mg 2. 2.5 L = ML 2500 ML 5. 90 kg = 16 198 3. 5t = ml 20 ML 6. 0.0012 g = mcg 7. 8 1b 5 oz = kg 3.8 kg X 1000 X 1000 = 1200 8. Calculate the patient's fluid intake in milliliters (mL) for the following items: 605 m 1/2 bowl of soup (1 bowl = 9
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Describe a pattern you could use to complete the following grid and then write the decimals to complete it nobl o 0.35 s emse erlf aired 0.95
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The specific statistic used to calculate the effect size for a 2 test for independence depends on ______. Group of answer choices the relative size of the contingency table and the frequency distribution the level of significance for 2obt the number of variables in the study the size of the contingency table and the relationship of rows and columns

(2) -Anun = f in 2 subject to un = g on 09h. Definition 1 (Consistent to a order). We say that the discrete system (2) is consistent to order a in marimum norm if the following holds IIf + Anulloo, six = O(ha), where u is the exact solution to the equation (1). We would like to remark that the larger o, the better the discrete equation. Problem 1
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Exercise A. Consider a fish population in a lake. Let us assume that this fish population has a logistic growth. We moreover assume that shermen catch a percentage d of the sh per unit of time. The model is thus X " = TX (1 g) dX. To make computations simpler, we assume that r = k = 1. The model thus becomes X' = X (1 X) 05X. Sketch the phase
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variable Z = (X1 - X2) - (141 -142) Voi/m +o; is then nearly the standard normal distribution. By using a quantile za/2 of the standard normal distribution like be- fore and by noticing that inequalities - 20/2
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Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value t Subscript alpha divided by 2 t/2, (b) find the critical value z Subscript alpha divided by 2 z/2, or (c) state that neither the normal distribution nor the t distribution applies. The confidence level is 90%, =3835

Show step by step with explanation 3 Let A(z) and B(z) denote the Z transforms of two sequences a,,, N1 Z. Prove that the product C(z) = A(z)B(z) can be written as Na+Ms E ckz_k k=N1+M; where the coefficients are given by the discrete convolution Ck = E agmbm E bk m with appropriate limits for the summation index m. Now consider the func- tions s
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Snipping Tool O X + New QV A G Use the Gauss-Jordan method to solve the system of equations. If the system has infinitely many solutions, give the solution with z arbitrary. X - 8y + 4z = 1 2x - 3y + 3z = -1 Select the correct choice below and fill in any answer boxes within your choice. O A. There is one solution. The solution set is {( D}
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exponential functions Solve the following equation. 2 4x-16 x 161+24 - 281+4 X=I F
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Thinking of the many variables tracked by hospitals and doctors' offices, confidence intervals could be created for population parameters (such as means or proportions) that were calculated from many of them. Choose a topic of study that is tracked (or that you would like to see tracked) from your place of work. Discuss the variable and parameter

Problem 5: The X and E be independent random variables with X~A.e'\"u(x), PL z 0 and E~ ,Be''me), ,6 > 0 . Let Y=X+E. a) Compute the joint density function of (XX). A b) Compute the linear minimum mean square estimator of X given Y, i.e. X = (11" + b and the parameters a and b are chosen to minimize E((X if). e) Compute E(X IY) and compare with
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for these birds is # - 3.15 grams, based on margin of error cop what conditions bility that this interval contains the true average weight of Allen's hummingbirds is 0.20. find the sample size necess of error E = 0.14 mmingbirds -/0.3 points BBUnderStat12 7.1.015.EP. When finding an 80 confidence interval, what is the crtical value for confidence
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You want to have an $ 80,000.00 college fund in 12 years. How much will you have to deposit now under the scenario below. Assume that you make no deposits into the account after the initial deposit with an APR of 5 5 % compounded daily. You should invest how much $?

Study the following cartoon depicting a transform boundary at the mid-ocean ridge. The red lines represent the ridge segments. Transform final A horizontal line links the ridge segments. Which part/parts of that line is/are a fault? Question 39 options: The full length of it, including the solid line and the dashed lines Only the solid line is a

For a certain breed of dog, life expectancy is normally distributed with a mean of 11 years and standard deviation of 1.6 years. For a randomly chosen dog of this breed, we would like to find the probability that they will live above 12 years. -First, graph the normal curve using the mean and standard deviation provided to scale it and shade the

A luxury passenger liner has 500 passengers on board whose ages are normally distributed around a mean of 60 years with a standard deviation of 12 years. / 'n Luukse passasierskip het 500 passasiers aan boord. Hul ouderdomme word normal verdeel om 'n gemiddelde van 60 Jaar heen, met 'n standaardafwyking van 12 jaar. 3.1 How many of the passengers

LESSON 1 ASSIGNMENT > Use a separate piece of paper for your Journal entry. REMEMBER JOURNAL Many geometric figures contain a mixture of special Explain the differences and angle pairs. Understanding the relationships similarities between linear between special angle pairs will help you understand pairs and supplementary more complex geometric
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Bumble followed up with his data collection and gathered a new dataset of measures around sales at his grocery store per customer per visit, combining both observations and customer survey, listed in file. The variables are spending (US $), duration of shopping (minutes), age (years) gender (0 = male, 1 = female), travel time to store (minutes),
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Hello, I am struggling to complete these 5 questions, I am unsure to how and where to start, including what is the right formula or strategy to tackle these questions. For question 1, is A 0.27 and B 0.73? What is the strategy for the rest of the questions. Especially question 3, I am unsure of what to do first. 1. Police plan to enforce speed
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A psychologist noted that people have more difficulty sleeping in a bright room than in a dark room. She measured whether the intensity of the light could predict the time it took a sample of 4 participants to fall asleep. The data for this hypothetical study are listed in the following table. Intensity of light (in watts): (X): 5, 10, 20, 40 Time

An Insurance firm providing tour insurance is facing higher claim frequency. The management decides to collect data from the past few years. You are assigned the task to make a model which predicts the claim status and provide recommendations to management. Use CART, RF & ANN and compare the models' performances in train and test sets. 2.1 Data

- Always define the random variable x first before using it in your solution. - If the final answer exceeds five decimal places, round it off to four places only. 1. The probability that a student is accepted to a prestigious college is 0.3. If 5 students apply to the college, what is the probability that at most 2 are accepted? 2. An agent sells

Dylan Jones kept careful records of the fuel efficiency of his new car. After the first six times he filled up the tank, he found the mean was 20.5 miles per gallon (mpg) with a sample standard deviation of 0.6 mpg a. Compute the 90% confidence interval for his mpg b. How many times should he fill his gas tank to obtain a margin of error below

1.Study excerpt: "This study was a part of a multi-site prospective observational study of COPD [chronic obstructive pulmonary disease] patients to explore the relationship between depression, inflammation, and functional status...Participants were recruited from various sources including outpatient clinics from three medical centers, pulmonary

The U.S. Dairy Industry wants to estimate the mean yearly milk consumption. A sample of 10 people reveals the mean yearly consumption to be 52 gallons with a standard deviation of 14 gallons. Assume that the population distribution is normal. (Uset Distribution Table.) a-1. What is the value of the population mean?5214Unknown a-2. What is the best

I need help on this spss homework question please. 2. The following output is a crosstab of R's Health (HEALTH Reverse Coded) and frequency of religious service attendance (ATTEND recoded into fewer categories). Use the output to answer the questions: health Health Recode . r_attend Attendance Recode _attend Attendance Recode 2 Once a 0 Never 1
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For future polls, the firm is interested in minimizing their marketing-research costs. The margin of error (MOE) in their pools should be no larger than B (i.e., 100 B percentage points). To simplify the analysis, we will assume their marketing study only has a single question that is used to estimate the proportion, at the 5% significance level.

2.A NAPA Auto Parts supplier wants information about how long car owners plan to keep their cars. A random sample of 41 car owners results in a mean of 7 years with a standard deviation of 3.75 years.Find a 95% confidence interval for the true population mean. Identify the point estimate for mean and margin of error. 3.In a gallop poll of 1000

The population mean annual salary for environmental compliance specialists is about $ 60,000 . A random sample of 32 specialists is drawn from this population. What is the probability that the mean salary of the sample is less than $ 57,500 ? Assume standard deviation is = $ 6,500. I have calculated to P(x < 61,500) = P(z

If you have 4 groups with 10 people total what is the Fcrit at the probability at.01 A. 9.78 B. 5.99 C. 4.76 D. 6.99

Part 1: Modeling population growth. (30 points total. 10 points per answer, partial credit can be earned if thinking process is correct but arithmetic errors are made.) Verden had a population of 22,000 in 2010 and has been growing at a rate of 3% per year since then. 1. Write an equation to show the population P of Verden t years after 2010. 2.

Please provide explanations for the answers below Each question has the answer and I just need to see the steps to get that answer 3. (20 points) At Shorter Beach Airport, all passengers have to go through two security check points before arriving at the gate. A typical passenger's experience is as follows: Security Check point 1 There is only one
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graph to function Use the graph of the function to estimate the intervals on which the function is increasing or decreasing. (Enter your answers using interval notation.) increasing decreasing I I 10 8 6
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The amount of time it takes to recover physiologically from a certain kind of sudden noise is found to be normally distributed with a mean of 80 seconds and a standard deviation of 10 seconds. Using thefigures, approximately what percentage of scores (on time to recover) will be (a) above 100, (b) below 100, (c) above 90, (d) below 90, (e) above

Hello! Here are the instructions to my Math Assignment: Stars indicate the difficulty of the questions. You must fully explain all answers, unless explicitly directed otherwise. Preliminary Concepts Suppose an account is accruing interest, compounded continuously. Then the rate of change of the account is proportional to the balance in the
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3. In a medical study, adult patients were randomly chosen and classified by obesity and hypertension. The results are summarized in the contingency tab below. Obesity Category Low Average Hig Yes 24 33 46 Hypertension No 109 101 87 a) What is the probability of an adult having hypertension
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below. Write a title and a label for the line plot. Use the line plat. to answer questions 1-5. Show your work. Distance of Ski Trails {in miles) 1. What is the total number of ski trails? trails 2. What is the difference in length between the longest trail and the shortest trail? miles 3. What it the total length of all the ski trails thaot
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4. Determine the values of k for which the function f(x) = x - 2x + 4kx +9 = 0 has two real roots. Check this value in the original equation
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In an experiment on the effect of caffeine on time to complete a\ manual task, Paolo has three treatments0 mg, 150 mg, and 300 mg of caffeine. What would be his null hypothesis? Question 5 options: A) There is no difference in time to complete manual tasks for people ingesting 0 mg, 150 mg, or 300 mg of caffeine. B) There is a difference in time

7. A blank graph grid is 20 boxes by 20 boxes. You want to plot a data set on this graph. The range of the x-axis values is 0-60. The range of the y-axis values is 0-15. On a piece of graph paper, sketch the best scale to use that would maximize the graph size. 8. You wish to make a graph of the height of the Moon above the horizon every 15

1. Create a Binomial Model Template that you can use to answer the following types of questions about data that follow a Binomial Model.alculate exact, and cumulative Binomial Probabilities by creating a binomial template a, Clicunte 'ex": b.nomi. probabilities b) Culic I've 's most binomial probabilities c) Calculate - less: binomial provabi-inc4
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Q:3 Researchers at Kurume University in Japan surveyed 225 workers aged 41 to 60 years and found that 30% of them were skilled workers and 70% were unskilled. At the time of survey, 15% of skilled workers and 30% of unskilled workers were on an assembly line. A worker is selected at random from the age group 41 to 60. What is the probability that

help needed! The four graphs shown below display the results of an experiment in which marbles were selected from a bag at random. Which graph is most likely the correct graph? \f\f
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Determine the inverse of the given matrices using elementary row operations. If the matrix is not invertible, state that. (for both) (i) 1 2 1 2 1 3 0 3 1 (ii) 2 3 0 0 1 1 0 0 0 0 1 0 0 0 4 1

10. (3 pts) Show that any complex 2 by 2 matrices with Mik = Mkj has real eigenvalues
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Solve the following equation. Express your answer as an integer, simplified fraction, or decimal rounded to two decimal places. -4x + 36 = 0 AnswerHow to enter your answer (opens in new window) 2 Points X =
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19. Ordered Phenobarbital 150mg po Available: Phenobarbital 130mg/ml Give__________ml

Consider a portfolio that consists of two assets which we call A and B. Let X be the annual rate of return from A and Y denote the annual rate of return from B. Let E[X] = 0 . 15 ; E[Y] = 0.20 ; Var[X] = 0.052 ; Var[Y] = 0 . 072 and CORR[ X, Y ] = 0 . 30 Use a spreadsheet to perform the following analysis. 1.Suppose the fraction of portfolio

What is the expected count and the chi-square statistic?? I'm having trouble with these :ind the expected count and the contribution to the chiisquare statistic for the (C,F) cell in the twoiway table below. D E F G Total A 39 31 39 4]. 150 B 76 91 6B 55 290 C 21 39 29 29 118 Total 136 161 136 125 558 {ound your answer for the expected count to
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Question 6: Question 6 (1 point) A recent survey asks some students, How many hours do you spend on the computer in a typical day? Of the respondents, 3 said 1 hour, 9 said 2 hours, 17 said 3 hours, 22 said 4 hours, 18 said 5 hours, 13 said 6 hours, 9 said 7 hours, 6 said 8 hours, 1 said 9 hours. In table format, we have the following: # Hours 1 2
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