Mathematics Questions and Answers October 04, 2020

Use the graph of F, shown on the right, to find the given limit. When necessary, state that the limit does not exist. Ay lim F(X) X--4 X 10 Select the correct choice below and fill in any answer boxes in your choice O A. lim F(x) = (Type an integer or a simplified fraction.) X - - 4 O B. The limit does not exist

Exercise 11-35 (Algo) (LO11-2) The manufacturer of an MPS player wanted to know whether a 10% reduction in price is enough to increase the sales of its product. To nvestigate. the owner randomly selected eight outlets and sold the MPS player at the reduced price. At seven randomly selected outlets, the MPS player was sold at the regular price.

please solve this question. the picture of the survey is data source 4. Responses to survey questions asking about the most important technological catalysts for change over the next 10 years Note: The chart shows the proportion of respondents selecting each of these 8 categories. Cloud Technology Big Data Renewable Energy Crowdfunding Robotics

In the probability distribution to the right, the random variable X represents the number of marriages an individual aged 15 years or older has been involved in. Compute the standard deviation X P(x) 0 of the random variable X. 0.278 0 584 2 0 106 3 0.026 4 0 005 5 0.001 ox =marriages (Round to one decimal place as needed.)

The topic area you need to consider is pay and performance in Major League Sports .Purpose Statement and Model 1) In the introductory paragraph, state why the dependent variable has been chosen for analysis. Then make a general statement about the model: "The dependent variable _______ is determined by variables ________, ________, ________, and

claim is made that the proportion of men who play lawn tennis is less than 0.3, and the sample statistics include n= 900 subjects with 25% say that they play lawn tennis. Then the test statistic for this testing is

Your college newspaper, The Collegiate Investigator, sells for 9011! per copy. The cost of producing x copies of an edition is given by cm 2 ?0 + 0.10;. + 0.001;:2 dollars. (a) Calculate the marginal revenue R'EX} and prot PJIZXJ functions. HINT [See Example 2.] 6:? pm = 0.002x+ 0.8 of" (b) Compute the revenue and prot, and also the marginal

For the real-valued functions g (x) =x +5 and h (x) =x +3, find the composition g oh and specify its domain using interval notation. OVO ( 8 oh) (x) = 1 0lol (0,0) [0,0] OVO (0,0] [0,0) Domain of g oh : OO - OO X 5

Please answer This question.C. Use the range rule of thumb to identify the range of values for usual numbers of bumper stickers.The maximum usual value is(Round to the nearest tenth as needed.) Based on data from a car bumper sticker study, when a car is randomly selected, the number of bumper stickers and the corresponding probabilities are as

(a) Construct a scatter plot of the diastolic blood pressure (y) versus the systolic blood pressure (x)b) Compute the correlation coefficient between systolic and diastolic blood pressure. c) If someone's diastolic pressure is above average, would you expect that person's systolic pressure to be above or below average? Explain. Blood pressure: A

Please explain your answer. You may skip Question 2 part 4 (not required). thanks a lot! Question 1. Suppose that the tangent line to the graph of f(x) = x(6") at a = 1 is equal to the tangent line to the graph of g(x) = -5 + 1+ 10In(x + 1) at x =0. What is the value of the positive constant b, and what is the equation of the tangent line?

Page 8 of 17 Use the following measurement scales for questions 10-15 We want to know whether different exam prep programs lead to different mean scores on a certain exam. To test, we recruit a number of students to participate in a study and randomly split them into three groups. The students in each group are assigned to one of the Analysis of

Consider the following model of stock prices: Price-Bo + Blearning + &. Where earning is the annual profit per share. Price 65 18 45 32 37 52 24 27 19 31 Earning 2.35 0.15 1.15 1.1 1.5 1.6 0.55 0.2 0.4 a. Use the method of OLS to estimate the unknown parameters, Bo and B1. Write the regression equation. b. Calculate SSE, s2, s, and and SB, c. Test

Could someone please let me know if my proof is correct? Let K, and Kj be compact subsets of RR. Use The definition of compactness To prove that K, UK, is Compact. Suppose K1 and K2 are compact subsets of R . The definition of By Definition 3.5. of compactness of K] and K2 , since K, and K2 are compact and Ki C K1 U K 2 and K2 C K1 U K2 by the

3. 26 27 28 2 1 points A realtor's website provides information on area homes that are for sale in Fairfax County. A sample of five houses is selected the information is presented in the table below. House Year Constructed Location Size (in square feet) List Price (in dollars) Pool? Lot Size (in acres) 2000 Fairfax, VA 3,345 1,400,990 Yes 1.21

Find answer b-dLine 5 is 55185, 74834, 81172, 89281, 48134, 71185 a. Explain how you could use digits from a random number table to simulate rolling a fair six-sided die. b. Carry out your simulation beginning with line 5 of the accompanying random number table. Repeat your simulation 5 times. c. Use your simulation to find the empirical

Llbrow 04 302 - 156 grat 2. A small island has an abundance of insects and fruits which are food for an endangered species of mammal. A small group of the species is introduced to the island including 10 adult females. The number of adult females on the island after t months is given by N = L 1+ Ce 10 a. Given that there were 20 adult females on

Data were collected on the amount spent by 64 customers for lunch at a major Houston restaurant. These data are contained in the le Houston. Based upon past studies the population standard deviation is known with a = 7. 20.50 14.63 23.77 29.96 29.49 32.70 9.20 20.89 28.87 15.78 18.16 12.16 11.22 16.43 17.66 9.59 18.89 19.88 23.11 20.11 20.34 20.08

the original order? In how many ways could the letters in the word EQUATION be arranged, if the vowels remain in EMAIOO [2 marks] 3 non vowels

Given f(x) - x2, after performing the following transformations: shift upward 92 units and shift 29 units to the right, the new function g(x) =

Let the continuous random variable X represent the time (in hours) it takes a student to finish an hour- long exam. Suppose X has pdf f(x) and cdf F(x). Make sure to show work for all answers below! 0 0.2 0.4 0.6 0.8 f(x) 0 0.29 0.67 1.15 1.73 F(x) 0 0.027 0.12 0.3 0.59 (a) What is F(1)? Explain. (b) Use your knowledge of F(x) and your answer to

The following data represent the dividend yields (in 0 0.22 2.34 0.13 0.21 2.86 0.18 percent) of a random sample of 28 publicly traded 1.08 0.39 1.38 0 1.31 3.05 0.2 stocks. Complete parts (a) to (c). 0.92 3.52 2.65 0.43 0.1 3.06 0 0.35 0 2.58 0.68 0.36 1.84 0.18 (a) Compute the five-number summary. The five-number summary is (Round to two decimal

Homework 6: Problem 8 Previous Problem Problem List Next Problem (1 point) Calculate the first four terms of the following sequence, starting with n = 1. 4 4 Cn = 4+ + 3 +...+ SIA C1= 34/3 " = 28/3 C = 26/3 C4 = 25/3 12 Note: You can earn partial credit on this problem. 13 V

You and four friends decide to play "Odd Person Out". In this game, the five of you each toss a fair coin. The person who throws the odd outcome has to pay for the next round of drinks/coffee/kombutcha/whatever-you-all-fancy. For example, if one person flips a head while the other four flips tails, then the person who flipped the head has to pay

2. A dam is made that the average salary for all jobs In Mine ta is less than $74,000, You are going to test the claim using 1 0. 05 and assume that your data is normally distributed and the population standard deviation (a) is not kourt Cakvations/Vales Mean (x-bar) Standard Deviation Za. White the null and alternative hypotheses symbolically and

In a bus portal, 12 passengers board a route which will make 15 stops on its way; since it is the last route, it will no longer pick up more passengers, it will simply leave the remaining passengers at their respective stops. If the passengers get off at random at the remaining stops, what is the probability that they all get off at different

A version of the permanent income theory of consumption implies that the logarithm of real GDP (Y) and the logarithm of real consumption (C) are cointegrated with a cointegrating coefficient equal to 1. Explain how you would investigate this implication by (i) plotting the data and (ii) using a statistical test. O A. (i) Plot of Y - C is

Determine the value of the critical-value needed in a two-tail test which utilizes the sample deviation from a sample of size 41, and which is conducted at the 0.05 significance level.

Write an equation for the lowest-degree polynomial function with the graph and intercepts shown in the figure. For this exercise, make the leading coefficient be 1 or 1.-10-5510-105510xf(x)

For the following function, make a table of slopes of secant lines and make a conjecture about the slope of the tangent line at the indicated point. f(x) = 19 cos x at x = = Complete the table below. (Round the final answer to three decimal places as needed. Round all intermediate values to four decimal places as needed.) Interval Slope of secant

(1 point) A market research firm supplies manufacturers with estimates of the retail sales of their products from samples of retail stores. Marketing managers are prone to look at the estimate and ignore sampling error. An SRS of 22 stores this year shows mean sales of 82 units of a small appliance, with a standard deviation of 6.8 units. During

Translate the statement into a confidence interval. Approximate the level of confidence. In a survey of 3431 adults in a country, 47% believe the economy is getting better. Three weeks prior to this survey, 53% believed that the economy was getting better. The survey's margin of error is + 1%. Use the results from the newer survey. The confidence

Need help with statistics 6 A sample of 170 calls to a customer help line during the week found callers there were kept waiting on average for 19 minutes with s = 9. (a) Find the margin for error for this survey if we use a 95% confidence interval for the length of time all customers during this period are kept waiting. (b) Interpret for

May someone please help me with my AP Calculus Review problems? \farctan x dx x+3 - dx V8+2x-x 10. 1+x 11. Jx2 +9 12. x-1 -dx 3x VX2 - 2x -dx 2x-5 dx 13. 14. x2 +5 15. x2 +2 x+2 xb (x aco ] nk x na) S Find each definite integral. (*+3 -dx 16. 1X +6x [ tan - de - 1 17, 0 dx 18. -3 x +6x+13

Perform long division on the integrand, write the proper fraction as a sum of partial fractions, and then evaluate the integral. 2y4-+2y2-1 3 dy v +y Perform long division on the given integrand and unite the proper fraction as a sum of partial fractions. 2y4+2y21 _ 3 3" + Y (Simplify your answer. Use integers 0r fractions for any numbers in the

QUESTION 1 The weight of the contents ofa can of Campbell's minestrone soup can be modelled by a normal distribution with a mean of 439.9 grams and a standard deviation of 3.2 grams. A random sample of 15 cans is selected for quality control testing. Determine the probability that (4 decimal places) 'I. A randomly selected can weighs more than

it won't let me drop the pdf in here. Do you have any easier ways to study for a graduate level statistics course? I have my midterm next week with the University of Kansas. Thank you

32. In Seattle during December, the probability of rain on a given day is 0.45. On a day on which it rains, the probability Kurt takes his umbrella is 0.75, and on a day on which it does not rain, the probability Kurt takes his umbrella is 0.2. On a randomly selected day in December, given that Kurt has taken his umbrella, what is the probability

1.The value of the derivative at a point on a function measures the slope of the tangent to the curve at that point. 2.The acceleration function is found by differentiating the displacement function twice. 3.The quotient rule can be used to differentiate a rational function. 4.The derivative of a polynomial function is always another polynomial

THIS ASSIGNMENT IS BEING MARKED FOR COMPLETION - PLEASE ATTEMPT ALL QUESTIONS MCR 3U1 - Unit #1 Review True/False Indicate whether the statement is true or false. 1. The expression 6 +4 8 V2 simplifies to ~3 + 8. Multiple Choice Identify the choice that best completes the statement or answers the question. 2. Which of the following relations is

9. [-11 Points] DETAILS HARMATHAP12 9.8.025. If f(x) = 8x2 , what is the rate of change of f'(x) at (1, 7)? Submit Answer 10. [0/1 Points] DETAILS PREVIOUS ANSWERS HARMATHAP12 9.8.033. A particle travels as a function of time according to the formula 5 = 130 + 121' + 0.09t3 where s is in meters and tis in seconds. Find the acceleration of the

1 Problem 1. Determine where the function f (x) = 1 + sin x - is continuous on [0, 2x] Problem 2. Sketch 3 examples of graphs that have different types of discontinuities. Explain how each example violates the definition of continuity, being sure to identify the specific violation. Problem 3. 1. Find a value of c so that f (x) is continuous

Let f(x, y) = x3 - x + 3y2 g(x, y) = x2+ 3y- Let D be the region {x + 3y'

The masses m, are located at the points P, Find the moments M, and M, and the center of mass of the system m1 = 4. m2 -7. m3 = 11; P1(1, 5), P2(3, -2), P3(-2, -1) 3 OM - 5, M = -3 5 22' 22 5 3 OM - 3. M =-5, 22 22 O M. = 3. M - -5, 3 5 22 22 O M. = -5, M = 3, 3 5 22 22 OM. =-5, M = 3, - 3 22 22

1. Are these statistics correct, along with the null and alternative hypotheses? Breastfeeding Experience Gestational Birth Age Navigating Smoothly Navigating With A Struggle Navigating Ambiguity 30 wks. 25 12 20 31 wks. 10 8 17 32 wks. 12 10 23 33 wks. 5 22 17 34 wks. 18 13 21 35 wks. 3 9 14 36 wks. 11 15 9 37 wks. 26 30 18 Navigating Smoothly

Using SPSS. Examine the relationship between marital status ( marital ) and perception of life ( life ).Do you have statistical evidence that the two are related? Copy and paste the observed cross-classification table as well as the results for your hypothesis test. Interpret the results (remember to state your test hypotheses and your conclusion

122 Marisela Rodrigues day k: 2.1 Frequency Distributions and Question 6, 2.1.12 phs HW Score: 30.77%. 4 of 13 points Puit 1 of 3 O Points: 0 of 1 st K Use the given minimum and maximum data entries, and the number of classes, to find the class with, the lowes class limits, and the upper class limits minimum =8, maximum =72, 6 classes The class

Q6 i need help on the steps Location is known to affect the number, of a particular item, sold by HEB Pantry. Two different locations, A and B, are selected on an experimental basis. Location A was observed for 18 days and location B was observed for 18 days. The number of the particular items sold per day was recorded for each location. On

Question Number 55, it's asking (c) to show that y= x^1/3 having a vertical tangent line, please explain how to solve this and why is there a tangent line since its derivative at (0,0) is undefined? a. The graph of a position function of a car is shown, where's is measured in feet and t in seconds. Use it to graph the velocity and acceleration of

Please help with a, b, c, and d. Currently practicing for AP exam but stuck have not been able to figure this one out. Particle O moves along the x-axis so that its velocity at any time f is given by vo(!) = 1 - 3 cos and its (c) A second particle, R, moves along the x-axis so that its position at any time / is given by a differentiable

Please teach how to solve \fFor the following problems, choose a test (specify which one) and test the given series for convergence or divergence

13 This test: 20 point(s) p This question: 1 point A data set lists weights (Ib) of plastic discarded by households. The highest weight is 5.34 lb, the mean of all of the weights is x = 2.007 lb, and the standard deviation of the weights is s = 2.091 lb. a. What is the difference between the weight of 5.34 lb and the mean of the weights? b. How

Can someone explain how to get from: 46x-(x 2 /500) to: 46-(x/250) Using f'(x)=(f(x+h)-f(x))/h

On September 1, year 1, Noreen Lid. collected $83,700 in cash from its tenant as an advance rent payment on its store location. The six-month lease period ends on February 28, year 2, at which time the lease contract may be renewed. Noreen's fiscal year ends on December 31. Required: 1. Prepare journal entries to record the collection of rent on

The weights of four randomly chosen bags of horse carrots, each bag labelled 10 kilograms, were 10.3, 10.1, 10.5, and 10.0 kilograms. Assume that the distribution of weights in the population is Normal. Complete parts a through 0 below. E) a. Test the hypothesis that the population mean weight is not 10 kilograms. Use a level of significance of

(Cory Ahn @) Let f be a continuous function with f(x) > 0 for all r E R. Suppose that you are trying to approximate the value of the definite integral / f(x) dx. Suppose that f'(x) > 0 for all r E IR and f"(x)

I need it asap 1. DEFINION OF THE VOLUME OF A SOLID Consider a solid S that lies between a = a and a: = b. Let A(x) denote the crosssectional area of S in the plane through a: and perpendicular to the :c-axis. If A is a continuous function, then the volume of S is n b V: 5130 ;A($,;)Azt = f A(a:)da;. 2. SOLIDS OF REVOLUTION Theorem 1 (Volume of

Find on the internet a recent article. "Recent" means that the article is published afterin 2022. The article should describe a study or be based on statistical analyses. Summarize and discuss the study/analyses in the article. Here are some thought-starters: What is the background/motivation of the study? What sampling method was used? Does it

2. Ink Chromatographystweet Matchesink on Conclusions Test Samples ransom note? (Yes, No, or Inconclusive) Victim's pen Suspect A's pen Suspeds pen Suspect C's pen

From one X product, 15,000 units are made monthly in factory 1, out of a total of 30,000 that are made in all factories of the corporation. It presumes that the reliability level is 95 percent and the accepted margin of error is 0.05. Determines the sample size.

2. New Jersey Electricity Power In the summer, peak electricity loads can force the startup of temporary power plants called peaker plants . Peaker Plants are used to augment the power supplied by the normal full time plants, called baseline plants . Suppose New Jersey Electric Power (NJEP) has baseline plants that can produce up to 18,000 MW

Alculus in Context #2 Math 113 Chapter 2 and section 3.1 How does our understanding of derivatives allow us to understand the relationship between weight and caloric requirements? Biologists often investigate relationships between properties of organisms and their size. One of the first researchers who investigated the issue of 10 0 dependency

answer in detail (1) Consider the function f : R3 ) R given by sin(:c" + y") cos(z) 1131933): 'x2+y2+zz U \"(119:2) \"THIN-310): if (x! y! '3) 5e (09 0i a)! where k is a positive constant. (3} Find all values of k > 0 for which f is continuous at the origin. In other words. find all positive real numbers I: for which 11m sinks" +y")cos(z) = {mm*0

Let's consider the two most widely used college entrance exams - the SAT and the ACT. In 2014, the maximum possible SAT score was 2400 and the maximum possible ACT score was 36. Assume that both SAT and ACT scores are normally distributed. Susanne took the SAT in 2014 and scored 1920. In 2014, the mean SAT score was 2180 with a standard deviation

The total number of people infected with a virus can often be modelled using the logistic growth model: The rate of change of the number of people who are infected is proportional to the product of the number of people who have been infected, y, and the number of people who have not been infected, (M 3;), dz: 7:]'3 M where k is a. constant.

4. Shafts manufactured for use in optical storage devices have diameters that are normally distributed with mean u = 0.656 cm and standard deviation 6 = 0.004 com. The specification for the shaft diameter is 0.652 + 0.006 cm. a) What proportion of the shafts manufactured by this process meet the specifications? (4 points) b) The process mean can

You are given the following data points: 10; 8; 10; 8; 8; 4 1. Calculate the mean of the data points. 2. Calculate the standard deviation of the data points. 3. Make a neat sketch of the normal distribution curve for the data points and indicate the mean and three standard deviations. 4. What percentage of the data lies between one standard

When needing to select controls, what must be ensured in order to estimate an unbiased measure of association based on the study design? Please select the most appropriate response below and explain in 1-2 sentences why the response is correct. a. That selection of participants is independent of exposure and disease b. That selection of

PRE CALCULUS 1. Find the LIMIT of the function f(x) =(2 _3 3

2. 2x3. x 3 Find the LIMIT of the function f (x) as x approaches 3, use the graph 2x3, and table of values method to solve its limit. Show your complete correct solution (GRAPH TADLE OF VALUES 4pts), box the final answer (Ipt). Solve the lim using limit laws. Show the complete and correct solution Opts.) and box the final answer (l pt.)

Show a DETAILED SOLUTION of all the steps required to solve the equation, including any Laws of Logarithm or formula used (name the Laws of logarithm applied, as well as names of the formulae used), Restrictions required to be stated, extraneous solutions (if applicable). You should present the solutions to the equations in both exact and

| L Page view | A" Read aloud 3. [4 marks] Differentiate the following functions and simply the answers fully: (a) f(x) = ev3x* +372+1 (b) f (x) (513 + 2x2 + 2) (Inr) 4. [4 marks] The apparent temperature of the air at a certain temperature and humidity level is kr represents the relative humidity (in percent), then the heat index (in degrees

Solve the triangle with c = 43.69, b = 16.82, and B = 650 y = degrees Q = a Round all answers to 2 places after the decimal point. Give angles in degrees (but do not type "degrees" in the answer box). As in the text, side a is opposite from angle a, side b is opposite from angle B, and side c is opposite from angle y. If no such triangle exists,

Group Statistics Std. Error Respondents sex N Mean Std. Deviation Mean R's age when 1 st child MALE 679 25.55 5.914 227 born FEMALE 987 23.44 5.452 174 Number of hours worked MALE 670 44.60 14.969 578 last week FEMALE 711 38.15 13.276 498 Hours per day watching MALE 689 2.85 2.626 100 TV FEMALE 866 3.01 2.994 102Independent Samples Test Levene's

The test scores for a very large statistics class have a bell-shaped distribution with a mean of 69 points. If 95% of the scores are between 57 and 81, what is the standard deviation? O

0 The initial substitution of x = a yields the form - Simplify the function algebraically, or use a table or graph to determine the limit. If necessary, state that the limit does not exist. X3 - 27 lim X-3 X-3 Select the correct choice below and, if necessary, fill in the answer box to complete your choice X - 27 O A. lim (Type an integer or a

10.3.4 Consider the m = 11 data values in the following table. Observation X Y Observation X Y -5.00 -10.00 1.00 3.52 -4.00 -8.83 2.00 5.64 -3.00 -9.15 3.00 7.28 -2.00 -4.26 4.00 7 7.62 -1.00 -0.30 5.00 8.51 0.00 -0.04 Suppose we consider the simple normal linear regression to describe the relationship between the response Y and the predictor X

Math 190 Final Exam. Solve all the problems. Each problem is 20 points. 1. Evaluate, if possible, the following limits. (a) (c) lim cos 2x lim Note: cos = cot = 0 r-" cot 2x' (b) (d) (2.x - 1)5 lim lim I-+00 16x2 + 2x - 7) (9 - 12)

Question 7 When are paired sampling techniques more preferable to independent sampling techniques? When the degrees of freedom will be greatly increased. B When the samples are clearly independent. When the variances are approximately equal to zero. When it is anticipated that the variability in an experiment can be redcued. Question 8 One way to

Test the hypothesis using the P-value approach. Ho: p =0.55 versus Hj : p

Test the hypothesis us ng the Pvalue approach. Ho versus HI n150, x78, Perform the test us ng the Pvalue approach. Pvalue (Round to four dec mal places as needed.)

Problem (25 pts): Describe the dependency between the travel time and the distance travelled using the following data: Travel time 10.59.67.55.56.47.67.4 6 7.66.1 Miles Travelled 98 50 70 50 50 80 75 65 90 90

Bayes theorem In a particular country, 3% of the population is HIV positive. A test for HIV correctly diagnoses 95% of those who have the condition, but incorrectly diagnoses 4% of those who are not HIV positive as being HIV positive. A patient obtains a positive test result, apparently indicating the presence of HIV. Determine the probability

Answer has to have fractions Q5. There are 180 students at a college following a general course in computing. Students on this course can choose to take up to three extra options. 112 take systems support, 70 take developing software, 81 take networking, 35 take developing software and systems support, 28 take networking and developing software,

Probability involving permutations and combinations Abigail needs to create a four-digit password to access her voice mail. She can repeat some of the digits, but all four digits cannot be the same. Determine, to the nearest percent, the probability that her password will be greater than 6300

Draw a line then difference between gross reproductive rate and net reproductive rate?differentiate between generation method and calendar year approach?

Shape-Up-By-Susie claims that participating in her exercise program will result in guaranteed weight loss in just 6 weeks. Five clients weighed themselves before and then again after participating in her program and the differences "weight after - weight before" were analyzed. Based on the accompanying relevant computer output, which of the

1. The population of a city is modeled by the equation A - Pa\" where t=0 corresponds to a population of 225000 in the year 1984. In 1995 the population had grown to 525000. Use this information to predict the population of this city in the year 2020. 2. The sound intensity measured in watts/mi, I, is related to the decibels (level of sound) by

Enumerative Combinatorics A detailed proof with explanations will be appreciated Let n E N. How many (ordered) pairs (A, B) of two nonempty subsets of [n] have the property that min A > [B) and min B > (A) ? [Example: If n = 7, then the pair ({3, 5, 7} , {4, 5} ) qualifies, since min {3, 5, 7} = 3> 2 = 1{4, 5}| and min {4, 5} = 4 > 3 = |{3,5, 7}|.

Do the following sequences {a n } converge or diverge? Find the limit if the sequence is convergent. a n = n 4 + 4 n 3 3 + 7 n 4 a n = -7+ (-1) n a n = c o s ( 2 3 n 7 ) a n = 4 n s i n n a n = 3 n l n ( n + 2 ) a n = ( 1 n 4 ) n

The personnel department of a large corporation wants to estimate the family dental expenses of its employees to determine the feasibility of providing a dental insurance plan. A random sample of 12 employees reveals the following family dental expenses (in dollars). Construct a 93% confidence interval estimate for the mean of family dental

1. (10 points) Consider the equation (cos My\" (.13) (sin 3031' (at) (see 5103101?) = O. The function yl (1') = see an is a solution of this equation. Obtain a second, linearly independent solution yg of the equation for 7' 0. (b) (5 points) We) + ty'm + 4W) = sin(21nt), t > 0

3. If a marble is randomly chosen from a bag that contains exactly 8 red marbles. 6 blue marbles. and 6 white marbles. what is the probability that the marble: (3 points} (Express your final answer using fractions in lowest terms) a] Will be red? b) Will be blue? c) Will not be red? cl) Will be red 01' whiter.J 4. Suppose that P(A} = 1:3. P(B] =

Please help solve and explain Introduction to Calculus in Economics: Calculus is a powerful tool used in economics. One of the initial applications areas is the study of a firm, a topic in microeconomics. An important function is the cost function function 0 (w), the cost of producing :1: items (of whatever they are selling). This question deals

3.A cone-shaped paper drinking cup is to hold 40 cm^3 of water. Find the height and radius of the cup that will require the least amount of paper. 4. At time t = 0 a car moves into the passing lane to pass a slow-moving truck. The average velocity of the car from t = 1 to t = 1 + h is v ave = 3 ( h + 1 ) 2.5 + 580 h - 3 10 h . Estimate the

es Current Grade: 0.0 / 10.0 Rema Consider the function f (z) = 2 tan (x). Find the equation of the line normal (perpendicular) to the curve f (x) = 2 tan (x) at the point where x = - 4 Your response should be in the form y = m . x + b omitting the y = part and the values should be rounded to 3 significant dig y =

EXERCISE3.5 1. The management of a restaurant is considering closing one of its branches in Klang Valley. NS They need an estimate on the number of people who dine at the restaurant before making any decision. A sample of 30 days showed that an average of 450 people dine at the restaurant. The standard deviation of the population is known to be 10

Please help me to answer step by step. And write it down on paper. In question 9, you can choose more than one answer. 9. Consider the following system of three equations: X + 2y + z = 0 2x + 3y + 5z = 0 olutions. 6x + 9y + 15z = 0 A unique solution. 9b The system is: X Consistent. B X Inconsistent. D X Let's try that again Dependent. A

Available answers are: Red (R), black(K), blue(B), Orange(O), Green(G) Question 2 0/1 pt 9 3 99 0 Details R O B If all the graphs above have equations with form y = ab", Which graph has the largest value for b? Select an answer v Which graph has the smallest value for b? | Select an answer Which graph has the largest value for a? Select an answer

By now we have practiced using Descriptive Statistics and run and interpreted descriptive statistics for continuous variables completing statistics table, a histogram with normal curve or skewed distribution, along with creating a statistics table and charts- bar chart, and pie chart, etc. 1. Using the variables from GSS2016.sav that you have

Problem 2 (25 points). Let X1, X2, ..., Xn be i.i.d. variables with p.d.f. as follows: 020-1, for 0 0 is an unknown parameter. (1) (10 points) Find the method-of-moments estimator, On , for 0 and show its consis- tency. (2) (15 points) Find the M.L.E., On , of 0 and show that Vn. On - 0 d. N (0, 1 ) as n + 0o

3) Draw a graph showing data from a simple 2 x 2 x 2 experiment supporting the hypothesis that the bed nucleus of the stria terminalis (BST) is necessary for the restraint-stress induced increase in plasma corticosterone (CORT) in male rats, but not the restraint-stress-induced increase in CORT in female rats. Clearly indicate the most important