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Mathematics Questions and Answers April 09, 2023

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In response to the belief that house prices have changed over the past year an estate agent has drawn a random sample of 100 completed house purchases and recorded the selling price in each case. You examine the records of selling prices and find the following frequency distribution: Table 1 Selling prices Selling price () 10,000 12,000 15,000

One of the town council. members believes that the two fire stations have different response times. Do you agree? Why? Use a significance level of 0.05 and the p-value to make your decision. Again, the data for both stations has been re-copied for convenience. Northern: 3,3,3,3,4,4,4,4,4,5,5,5,5,5,5,6,7,7,8,8,8,8,8,9,9,10,10,10,10,12 Southern:

I'm really struggling with this question... any help would be appreciated. Claim: The mean pulse rate [in beats per minute] of adult males is equal to 69 bpm. For a random sample of 151 adult males, the mean pulse rate is 68.4 bpm and the standard deviation is 11.1 bpm. Find the value of the test statistic. The value of the test statistic is _
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1)GivenH0:25andHa:>25,determinewhetherthehypothesistestisleft-tailed,right-tailed,ortwo-tailed. A.left tailed B.two tailed C.right tailed

A recent study by the Center for Disease Control claims that a new super-contagious virus will impact a population in which it is found if left unchecked.A recent occurrence of this virus happened on a very isolated island nation with over 30,000 inhabitants.In randomly testing 400 residents of this island after the virus outbreak, a research team

Please help with this question with full solution for explanation. Thank you! Use the Trapezoidal Rule, the Midpoint Rule, and Simpson's Rule to approximate the given integral with the specied value of in. (Round your answers to six decimal places.) 5 /_(_)_7co:2x dx, n=8 1 {a} the Trapezoidal Rule 2.171809 3: (b) the Midpoint Rule -2.426695 3:
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sssssssssssssssssssssss A vaccine is shown to have thermal stability with a mean shelf life of ten months at stabilized room temperature. Suppose the distribution of shelf lives has a symmetrical shape that is unimodal with thin tails. Past records indicate that almost all shelf lives were between seven to thirteen months. 1. Draw a sketch of the
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2. Consider the list {1,2, ..., n}, where n is a positive integer. a) Guess the average of the list and give an intuitive explanation for your guess. b) Prove that your guess in part a is correct. c) Let i be an element of the list; in other words, suppose i is an integer such that 1 i n. Suppose the element i gets replaced by 0. By how much does

You are computing a 95% confidence interval for a population proportion. Given a sample size of 100 and sample proportion of 0.8, what is the margin of error for the 95% confidence interval? Hint: For a 95% confidence interval of a proportion, z* = 1.960 Group of answer choices 0.040 0.031 0.078 0.160

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Give the mathematical answer for each question 2. Using the table of values below, determine x -1 0 256 4 64 2 3 16 4 1 0.25 (A) The equation of the exponential function that represents the data (B) Use your equation from (A) to predict what the value of y when x = 6. 3. The population of a town can be modelled by the exponential equation y = 5860
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William used a sample of 68 U.S. cities to estimate the relationship between Crime (annual property crimes per 100,000 persons) and Income (median income per capita). His estimated regression equation was Crime = 428 - 0.05(Income). Use the following multiple regression output to answer the next questions: 12 0.233 19 r -0.483 K 1 Std. Error 1.863
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Find the local maximum and minimum values of f using both the First and Second Derivative Tests. f(x) = 3 + 5x2 4x3
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APA writing uses the metric system; if nonmetric units are included, they must be followed immediately with the established metric system units. Group of answer choices True False

7 unit \f
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A company makes car batteries and claims 80% of its ABC batteries are good for 70 months or longer. Assume that this claim is true. Let p be the proportion in a sample of 100 such ABC batteries. What is the probability that this sample proportion is within 0.05 of the population proportion

Can you help me with the question below? 9 ~ Beta(a, )3), X1, . . . ,Xn | a '1'} Bernoulli(9). Recall that the posterior distribution is 6|X1,...,Xn~Beta(a+T,+nT) (a) What is the posterior mean of r9, i.e. its expected value under the posterior distribution, E09 | X1, . . . , X\")? (b) Find the posterior mode of 9, i.e. the value of 6 maximizing
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Find the dimensions of a cylinder of maximum volume that can be inscribed in a sphere of radius R, and state the maximum volume in terms of R. Note: Verification that the volume is a maximum is not needed for this
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The students at a high school all agree to buy a copy of the yearbook. This will exactly coer the cost of publishing the book. When the books are delivered to the school, 50 students decide not to buy a copy after all, and it is necessary to charge the remaining students 50 cents more each to meet $3300 publishing cost. How many students are at

Explain this question According to Thomson Financial, last year the majority of companies reporting prots had beaten estimates. A sample of 162 companies showed that 96 beat estimates, 29 matched estimates, and 37 fell short. (a) what is the pint est ate of the proportion that fell short of stimates? If required, round your answer to four decimal
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how to input info into SPSS A researcher was interested in the anxiety present in students just prior to the midterm exam. The researcher used an anxiety self-quiz to gauge the student's anxiety. The score for 30 students are given here. 69 99 91 66 70 98 70 53 40 58 61 66 94 77 70 56 88 85 86 40 84 86 54 48 86 43 78 53 79 89 1. Construct a
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Hypothesized Differences 0 Level of Significance 0.05 Population Sample 1 (females) Sample size 18 Sample mean 99210 Sample standard deviation 13577 Population Sample 2 (males) Sample size 12 Sample Mean 105820 Sample standard deviation 11741 With a 95% confidence interval for the differences in two means, what would your lower limit and upper

Undetermined Coefficients: (a) Given the non-homogeneous differential equation y 2y 5y = f (t), provide the form of yp for the following expressions for f (t). You need not determine values of unknown coefficients. i. f (t) = 2t3 3t ii. f (t) = 2 sin t iii. f (t) = tet (b) Given the nonhomogeneous differential equation y 6y 9y = f (t), provide the

1.A bag contains 2 gold marbles, 8 silver marbles, and 22 black marbles. Someone offers to play this game: You randomly select one marble from the bag. If it is gold, you win $3. If it is silver, you win $2. If it is black, you lose $1. What is your expected value if you play this game? 2.Cesar buys a bag of cookies that contains 7 chocolate chip

Use the standard 52 card deck (4 suits, 13 cards of each suit), to answer the following. Round all probabilities to three decimals. a. One card is drawn from a standard deck. Find the probability that the card is a face card AND a diamond b. Two cards are drawn from a standard deck. Find the probability that the cards are both face cards c. Two

Which two certificates are offered within the Sciences, Engineering, and Math Pathway at Prince George's Community College? Pharmacy Technician Engineering Certified Nursing Assistant Dental Assistant

In the plane figure, DE AC and BF AC. If mBAC=2x, mFBA=3y + 2. MEDB=2y + 10, and m DGC=3x - 12, find the values of x and y. #15 - #18 16. In the plane figure, AC 1 AB and BD | | AC . If m21 = 42 and m28 =72, find the measures of the other numbered angles. C 8 D 17. In the plane figure, m_1 = 2m23, m42 =3m43, m28 = 65 and m/CBE = 1320. 5 3 4 9 Find
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Can someone assist with these? Thank you!! Using the simple random sample of weights of women from a data set, we obtain these sample statistics: n = 50 and i = 146.04 lb. Research from other sources suggests that the population of weights of women has a standard deviation given by 6 = 31.84 lb. a. Find the best point estimate of the mean weight
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@wo methods of determining carotid stenosis [narrowing of the carotid artery which supplies blood to the brain} are being compared. Method one is an invasive method that is believed to be very accurate. Method two is a noninvasive (MRI) method. lDine hundred patients were evaluated by these two methods with these results Method One Method two
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I need help answering this question D Question 4 7 pts Assume that the following histograms are drawn on the same scale. II III IV Which one of the histograms has the smallest median? O Histogram | Histogram II Histogram Ill OHistogram IV
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Please explain how you got your answers for both questions. 1. In the Massachusetts Pick Four lottery game, you win thejackpot by selecting 4 different whole numbers from 1 to 39 and getting the same four numbers {in any order) that are later drawn. a) What is the probability of winning a jackpot in this game? b} What is the probability of winning
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Replication logic refers to a. The conduct of replications of a study with samples from different populations to determine the stability of the finding b. The use of therapy to determine the other types of cases to which the findings of one case study can be generalized. c. The cross-validation of research hypotheses through repeated replications

Hi, I need help with test statistic, P-value. I also need help with part b. Identify the P-value. (Round to three decimal places as needed.) State the conclusion about the null hypothesis, as well as the final conclusion that addresses the original claim. A. Fail to reject Ho. There is not sufficient evidence to support the claim that commercial
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1)A recent graduate from Brock University has applied for a job with Royal Bank of Canada (RBC) and Canadian Imperial Bank of Commerce (CIBC). The graduate feels that she has a 70% chance of receiving an offer from RBC and a 60% chance of receiving an offer from CIBC. If she receives an offer from CIBC, she believes that she has an 80% chance of

Set up the problem shown below and use Solver to verify that you will get $5,266.67 in interest per year. You have $120,000 to invest in 4 CDs. The rates are shown in the following table: CDs Amount Invested Interest Rate A $ - 3% B $ - 4% C $ - 4.50% D $ - 5% There is a constraint that the money invested in CD B be exactly twice the amount of

Question: Provide the p-value for the test of equality of variances and fill in the appropriate information to complete the conclusion of this test for equal variances in context. P-Value for Test of Equality of Variances: Conclusion of Test of Equality of Variances: There ____enough evidence that the variance of the response variable is different
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In the diagram below, ACBECD . Find ED if AC=7 , CE=9 , AB=2 , and BC=6 . (Note that the diagram may not be drawn to scale.)

There is evidence that cytotoxic T lymphocytes (T cells) participate in controlling tumor growth and that they can be harnessed to use the body's immune system to treat cancer. One study investigated the use of a T cell-engaging antibody, blinatumomab, to recruit T cells to control tumor growth. The data below are T cell counts (1000 per
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Need expert help no one seems to be able to know what it is You are the foreman of the Bar-S cattle ranch in Colorado. A neighboring ranch has calves for sale, and you are going to buy some calves to add to the Bar-S herd. How much should a healthy calf weigh? Let x be the age of the calf (in weeks), and let y be the weight of the calf (in
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Find the Laplace transform of f ( t )={ e^ 2 t ,0,0 t <1 t 1 F ( s )=

ThemeanscoreforallNBAgamesduringaparticularseasonwas morethan101pointspergame.Write the null and alternative Hypothesis statements and label which is the claim (you can use the words "less than or equal to" or "greater than" or "not equal to" rather than symbols for your answer if you can't find those symbols on the keyboard text box.

Consider two independent random samples with the following results: n 1 =572 p 1 =0.49 n1=572p^1=0.49n 2 =611 p 2 =0.75 n2=611p^2=0.75 Use this data to find the 99% 99% confidence interval for the true difference between the population proportions. Copy Data Step2of3: Find the margin of error. Round your answer to six decimal places.

5: Let's apply some functions(a) Writing trimmed mean function Write a function that calculates the mean of a numeric vectorx, ignoring thessmallest andllargest values (this is a trimmed mean ). E.g., ifx = c(1, 7, 3, 2, 5, 0.5, 9, 10),s = 1, andl = 2, your function would return the mean ofc(1, 7, 3, 2, 5)(this isxwith the 1 smallest value (0.5)

I need help with this asap Now it's your turn. Set up a dihybrid cross between two dragons, one with the genotype Bbff and the other with the genotype BBFf. Scales can be green (b) or black (B), with black scales being dominant. Fire-breathing (F) dragons are dominant to non-fire-breathing (f). Make a prediction about the percent of the offspring
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Hi all, i'm just trying to make sense what exactly this Table is saying. This is table is adapted from "Military Application of Tranexamic Acid in Trauma Emergency Resuscitation (MATTERs) Study" by Jonathan J. Morrison, MB ChB, MRCS; Joseph J. Dubose, MD; Todd E. Rasmussen, MD; Mark J. Midwinter, BMedSci, MD, FRCS, page 116 Article is available
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chapter 3 Bounds, Markov's inequality and Chebechev's inequality chapter 7. A class of 58 students takes a true-false quiz consisting of 20 questions. Each answer will get a score of 1 if it is correct and -1 otherwise; no other score is possible. The GSIs keep track of the number of answers each student gets correct. The average of these 58

Lba=Lb(La(a,b,c,d)). La(a,b,c,d)=(a+bx+(c-d)x^2). Lb(d+ex+fx^2)=(p'(x), d+e-f). Find ker(Lba)

I want this solved in Excel Northeastern Airlines Northeastern Airlines is a regional airline serving nine cities in the New England states, as well as cities in New York, New Jersey, and Pennsylvania. While nonstop flights are available for some of the routes, connecting flights are often necessary. The network shows the cities served and profit

Question : Last year 46% of business owners gave a holiday gift to their employees. A survey of 43 owners conducted this year indicated 15 of them plan to provide a gift to their employees. Suppose the business owners in the sample did as they planned. i. Construct a 95% confidence interval for the population proportion of busienss owners

Please help me solve these problems. This is the only question in this section. Question Find Focus and Directrix of the parabola y - - 2? 12 See Algebra and Trigonometry 2e section 12.3 for examples. https://openstax.org/books/algebra-and-trigonometry/pages/12-3-the-parabola Answer Attempt 6 out of 20 The Focus of the parabola is the directrix of
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Can you please help me with this question? Test the claim about the population proportion p > 0.015 given n = 150 and p= 0.027. Use = 0.01 Hypothesis Test Statistics Rejection Region Make a decision Conclusion If you could please solve this problem step by step, that would help me out tremendously.

Please help me with problem 6.4.2 a. What is V(y) if sampling is with replacement and n = 1, 3, 5, 8, respectively? b. Use the formula with the finite population correction faction to find V(y) if sampling is without replacement and n = 1, 3, 5, 8. Chimpanzees have no known numbering system, but they may have a sense of quantity. To test this, a
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A study was conducted to determine whether the mean braking distance of four-cylinder cars is greater than the mean braking distance of six-cylinder cars. A random sample of 20 four- cylinder cars and a random sample of 20 six-cylinder cars were obtained, and the braking distances were measured. (a) What would be the appropriate hypothesis test

Risk Taking by Ad Agencies A study was conducted by Douglas C. West to examine under what conditions, if any, advertising agencies take more risk. The primary statistical technique used to analyse the data in the study was the chi-square test of independence. Although several studies previously examined risk on the part of advertisers, little

Vugit to uncover whether or not race played a fact white and black defendants who were accused of murdering whit h led to the two-variable contingency table below. Defendants wh y are tallied as "Yes", while those who received a different sentenc Table 2: Death Penalty Sentencing Yes No Total White 19 132 151 Black 11 52 63 Total 30 184 214 row
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v M 10.4 X * Course Hero X + X G 2% myopenmath.com/assess2/?cid=232022&aid=16355214#/skip/4 Home > Math 262 Calculus II Summer 2024 > Assessment 10.4 Progress saved Done Score: 3.5/7 Answered: 2/7 . Question 4 0/1 pt 9 5 2 2 0 Details Compute the value of the improper integral. (If the integral diverges to oo, type oo; if it diverges to -Do, type
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Fundamental of Alegra: 1. Multiply and simplify 7 24 6 35 2. Divide, and enter your answer as a simplified mixed number. 6 7 4 9 3. Over the last 5 years, a stock price has increased in value by 3 1 2 times. The price of the stock 5 years ago was $44. What is the price (in dollars) of the stock today?$ 4 .Add and simplify 1 6 + 3 4 5. Find 3 13
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please help me with statistics questions Problem 6 ( 10 points ) Suppose an antibiotic has been shown to be 70%/ effective against a common bacteria .* a . If the antibiotic is given to 5 unrelated individuals with the bacteria , what is the probability that it will be effective in exactly 3? Interpret this probability . 6 . What is the
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Can someone help with this please? Thank you. In a sample of seven cars, each car was tested for nitrogen-oxide emissions (in grams per mile) and the following results were obtained: 0.14, 0.18, 0.09, 0.07, 0.15, 0.18, 0.11. D Assuming that this sample is representative of the cars in use, construct a 98% confidence interval estimate of the mean
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The name of each student in a class is written on a separate card. The cards are placed in a bag. Three names are picked from the bag.Identify which type of sampling is used and why.

1)The R-squared of a linear regression model is equal to the proportion of the variance of the target explained by a linear regression model. 2). The R-squared of a linear regression model is equal to the proportion of the variance of the predictors explained by a linear regression model. 3). R-squared is always between 0 and 1 4). For a given

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Take your survey data and code the gender question as Male=0 and Female=1. Suppose we hypothesize that women are more likely to respond to surveys than men are. Specifically, we believe that more than 55 percent of all respondents are women (this equates to theproportion of the gender variable to be greater than 0.55). Use the methods learned this

The weight of a small Starbucks coffee is a normally distributed random variable with a mean of 310 grams and a standard deviation of 10 grams. Find the weight that corresponds to each event. (Use Excel or Appendix C to calculate the z-value. Round your final answers to 2 decimal places). a. Highest 10 percent- b. Middle 50 percent- what to what

Trigonometry Applications: Municipal Planning In this assessment, you will take on the role of a municipal planner. You are in charge of creating a triangular garden for the town's park. Because of the way the park is currently organized, the space available for the garden is somewhat fixed. You have been given a rough plan of the garden. It is
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According to a national statistics bureau, in 2000, 0.7% of males living in the Southwest were retired exterminators. A researcher believes that the percentage has increased since then. She randomly selects 250 males in the Southwest and finds that 4 of them are retired exterminators. Test this researcher's claim at thealpha= 0.1 level of

Use the following equation to answer the questions below: Maximize Profit = 40F+30S Subject to . 0.4F + 0.5S 20 0.2S 5 0.6F + 0.3S 21 Identify the objective function and constraints in this question. Graph the linear program problem and show the feasible region. Draw accurately preferably on a graph paper in order to get accurate answers Determine

A sports psychologist performed a study of some visualization techniques that she developed to improve athletic performance. She used amateur golfers and amateur tennis players as participants. In her study, 35% of the participants were golfers, and the other 65% were tennis players. (No participant was both a golfer and a tennis player.) The

3. On a recent trip to the SC DMV, I asked an employee to estimate what percentage of SC drivers arrive to renew their driver's license with one that is currently expired. She responded that about 30 percent of all such renewals were of this type. (a) Suppose you observe Y , the number of SC DMV customers seeking renewal to find the first one with

d) find the equation if the axis of symmetry (a) Does the parabola open upward or downward? | O upward O downward | (b) Find the intercept(s). For both the x- and y-intercept(s), make sure to do the following. If there is more than one, separate them with commas. o If there are none, select "None". X-intercept(s): D V-intercept(s): U (c) Find the
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3. Amy purchased 3 face masks; one mask from each of 3 different online sites (A, B, C). She paid for next day shipping on each site. The probabilities of arriving the next day for these sites are 0.92, 0.88, and 0.96, respectively, and they are independent from sites to sites. What is the probability that only one of them arrives the next day?

Calculate chi squared from contingency table. The table below shows the age and favorite type of music of 668 randomly selected people. Rock Pop Classical 15-25 50 85 73 25-35 68 91 60 35-45 90 74 77 Using a 5 percent level of significance, calculate the chi-squared test statistic for testing the null hypothesis that age and preferred music type

Suppose the random Variable* follows a normal distribution with mean " = 54and standard deviation ` = 10.\f
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A system of inequalities is shown. The graph shows a dashed upward opening parabola with a vertex at 1 comma negative 4, with shading inside the parabola. It also shows a dashed line passing through the points negative 1 comma 1 and 0 comma 4, with shading above the line. Which system is represented in the graph? y x2 - 2x - 3 y 3x + 4 y < x2 -2x

Algebra 1 Module 1 Topic 3 Assignment Lesson 1 Day 2: Least Squares Regressions Directions: Given the scenario below, answer the following questions. 1. Hours of sleep the night before the ACT and score on the ACT: Sleep Score (in hours) 8 25 9 28 7 21 10 26 8.5 18 3. 5 16 5.5 25 11 28 sleep 9 29 7 19 f. Suppose someone slept 9.25 hours, predict
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Forecasting Demand for a Distribution Center Regression with ARIMA Errors Laboratory(Total 40 pts.)Due: Nov. 13 (before 11:59pm) In this laboratory we explore utilization of Dynamic Regression (Regression with ARIMA Errors) to develop market-level demand forecasting models (forecasting for distribution). We use as an example the demand of "Skippy"

whats the formula for distance using pythagoreans theroum

.A transportation analyst is told that the average number of flights that experience delays at a busy airport between 5 and 10 PM is equal to 20.Suppose he is skeptical and decides to test whether the average is equal to 20.The following sample is collected: 321729331430332227381441 (i)What is H 0 and H 1 ? (ii)Test with significance level = 5%.

Schadek Co. asked you to analyze their sales orders for the years 2018 and 2019 to see how well their sales force is working, and if they increased the sales orders or not.Use the data set in OnlineHW.xlsx. Worksheet ORDER.Sales orders of randomly selected customers (Schadek is a B2B co) are listed for 50 states. 1)At the 0.05 significance level,

Your job is to find some shortcuts for taking derivatives. For example, if the function is of the form y=c , where c is a constant, then you know the graph is a horizontal line, with a slope of zero, and you don't have to even go through the limit gyrations to get the derivative. Do some experimenting with the limit definition on some easy

Midterm Exam (Chapters 1+2+3) Score: 8.5/25 Answered: 10/25 . Question 15 Use the quotient rule to find the derivative of 2 sin(x) - 5 9x9 + 2 You do not need to expand out your answer. Be careful with parentheses! Check
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could use some help, for any confusion we only need help on yellow ones 2.19. (a) Prove the time-scaling relation in Table 2.3: (Hint: Use a change of variable.) (b) Prove the following relation from Table 2.3: u (1 - 10) = 8(5 - 10)dr. (c) Evaluate the following integrals: ( cos (21) 8 (1) dt (1) cos12(1 - =14)18(1 - "14)dt sin (21)8 (1 - #16)dt
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I need help with the attached problem. 1. Bayes Network. Incidences of diseases A and B (D ,4, DB] depend on the exposure {E}. Disease A is additionally inuenced by risk factors (R). Both diseases lead to symptoms (S). Results of the test for disease A (TA) are a'ected also by disease B. Positive test will be denoted as TA = 1, negative as TA = 0.
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please help me to answer the questions attached 15 to 24 years 59,160 Train 63,153 Bus 6,856 Ferry/tram 4,203 Taxi 561,563 Car as driver 156,174 Car as passenger Motorbike/motor scooter 11,995 24,941 Bicycle 78,735 Walked only 8,188 Other Total 974,968 25 to 34 years 35 to 44 years 45 to 54 years 55 years or more Total 66,088 53,371 10,138 5,257
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Question 6.11 from Stochastic Differential Equations by Oksendal: 6.11. Consider Example 6.2.1, but now without the assumption that E[X] = 0. Show that Xk = ka? + m? EX+ a2 + m? Zk ; k = 1,2. ... ( Compare with (6.2.8).) (Hint: Put { = X - EX], ( = Zx - E[X]. Then apply (6.2.8) with X replaced by { and Zx replaced by (k.)
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Calculate the probability that the results you found were due to error if you conducted 5 tests in a row with a starting alpha level of .10 ?

The first federal minimum wage was established in 1938 at $0.25 per hour. Since then, the hourly federal minimum wage has been periodically increased as shown in the graph below.

1 Juan is the only one of those students who __________ lived up to his potential as described in the yearbook. a. has b. have c. am d. is 10 points Question 2 The International Club, as well as the Choral Society and the Rowing Club, __________ to submit a new constitution. a. need b. needs c. need needs d. needss 10 points Question 3 One of my

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In the plane figure, m1=2m3, m2=3m3, m8=65 and mCBE=132. Find the measures of the numbered angles #15 - #18 16. In the plane figure, AC 1 AB and BD| | AC . If mZ1 = 42 and m28 = 72, find the measures of the other numbered angles. C 8 D 17. In the plane figure, m_1 =2m43, m42 = 3m23, m28 = 65 and m/CBE = 1320. 5 3 4 7 9 Find the measures of the
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A researcher wants to measure the workload (measured in hrs./wk) of post-secondary instructors/professors. To this end she decided to collect a sample as follows: divide post- secondary institutions into three types: Vocational (such as BCIT), College (such as Langara), and University (such as UBC). She then randomly select 3 institutions of each

Silvio's gross earnings for last week were $528.54. His remuneration consists of a base salary of $480 plus a commission of 6% on net sales exceeding his weekly quota of $5000. What were Silvio's gross sales for the week if sales returns and allowances were $136? Silvio's gross sales for the week were $= (Round to the nearest cent as needed.)

Assignment #8Forecasting Demand for a Distribution Center Regression with ARIMA Errors Laboratory(Total 40 pts.) Due: Nov. 13 (before 11:59pm) In this laboratory we explore utilization of Dynamic Regression (Regression with ARIMA Errors) to develop market-level demand forecasting models (forecasting for distribution). We use as an example the

1. (a) Find the eigenvalues and eigenvectors of A = (b) Find a matrix T (with integer entries) for which A = TJT-, for J = and where A is an eigenvalue of A. (c) With the aid of the general solution to y = Jy from the lecture notes combined with Part (b) above, find the general solution to dy1 dt = lly1 + 92 dy2 dt = -yl + 992. Use Mathematica to
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Introduce children to different kinds of triangles, such as equilateral, isosceles, scalene, and right. After finding them in the classroom or outdoors, children can outline the triangles with colored tape. For example, they might make right triangles red and scalene triangles blue. Explain the differences between two-dimensional (flat) shapes and

Midterm Exam (Chapters 1+2+3) Score: 15.5/25 Answered: 16/25 @ Question 19 v
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State whether the statements are true or false. I. The diagonals of a kite are perpendicular bisectors of each other. II. One diagonal of a kite is the perpendicular bisector of another.

Can you help me solve Question: 7 pts 4 of 11 (5 complete) This Tes Que e amounts a soft drink machine is designed to dispense for each drink are normally distributed, with a mean of 12.4 fluid ounces and a standard deviation of 0.3 fluid ounce. A drink is randomly selected. ) Find the probability that the drink is less than 12.3 fluid ounces. 0)
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In ongoing economic analyses, the U.S. federal government compares per capita incomes not only among different states but also for the same state at different times. Typically, what the federal government finds is that "poor" states tend to stay poor and "wealthy" states tend to stay wealthy. Would we have been able to predict the 1999 per capita
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Task #4: Hypothesis testing (7 points) You client hear that property prices in Brighton are higher than in Balwyn North. Develop the appropriate hypotheses and test them using t-test and regression analysis. Discuss the results.

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