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Mathematics Questions and Answers August 23, 2022

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18. What is/are the condition(s) of the Intermediate Value Theorem, such that a number c exists where f(c) = yo? a. f(x) is continuous on the interval [a, b]. b. lim f(x) = yo. X - C C. yo is a number between f(a) and f(b). d. Both a and b are true. e. Both a and c are true
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Sales of People magazine are compared over a 5-week period at four Borders outlets in Chicago. Weekly SalesStore 1Store 2Store 3Store 410498851031057690115106857385117811041021111039398 Click here for the Excel Data File Fill in the missing data. (Round your mean values to 1 decimal place and other answers to 2 decimal places.) TreatmentMeannStd.

Describe the descriptive analysis you will perform for individual variables. Which variables will you calculate means and standard deviations for and for which variables will you generate a frequency distribution (e.g., counts and percentages)? Justify your choices for specific variables. research question 1.Does yoga help in the overall

Kyoko gave Misa a box of marbles for her birthday.If the average number of marbles in the brand that Kyoko gave to Misa is 75 with a standard deviation of 4, what is the approximate probability that Misa received between 71 and 79 marbles? A pizza delivery vendor has a goal of delivering all orders within 50 minutes. A sample was taken and found a

Two marbles are drawn randomly one after the other without replacement from a jar that contains 4 red marbles, 3 white marbles, and 8 yellow marbles. Find the probability of the following events. Give your answers to at least 4 decimal places, or as an exact expression. (a) A red marble is drawn first followed by a white marble. The probability is

A simple random sample of 100 households was used to estimate the proportion of american households that own a dog. a 90% confidence interval for proportion from this sample is (.3,.5). The sample proportion of households owning a dog in this sample of 100 must be A. 0.10. B. 0.50. C. 0.30. D. 0.40

Name the metric foot in each of the following line. Rcks, cves, lkes, fns, bgs, dns, and shades of deathJohn Milton Question 4 options: iamb/iambic trochee/trochaic dactyl/dactylic spondee/spondaic

Would you be able to help me with questions about how to input data into Excel? I need to make charts based on the data from this case and I cant figure it out.

Seventy-six Starbucks food items were analyzed for the calorie and carbohydrate content. We used linear regression to explore the relationship between the number of calories and amount of carbohydrates (in grams) Starbucks food menu items contain. The estimated regression equation with carbohydrates as the response variable and the calories as the

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Which statement is needed to complete this syllogism? If you want to fly to Hawaii, you need to get on a plane. If you get on a plane, you need a boarding pass. Therefore, if ________________________, you need a boarding pass. you want to find your seat you want to fly to Hawaii you want to get through security you need to get on a plane

A recent study focused on the number of times men and women who live alone buy take-out dinner in a month. Assume that the distributions follow the normal probability distribution and the population standard deviations are equal. The information is summarized below. Statistic Men Women Sample mean 25.73 22.50 Sample standard deviation 5.76 4.69

Positive random variables X and Y satisfy a scale model with parameters > 0 if P(Y t) = P(X t) for all t > 0, or equivalently, G(t) = F(t/) (a) Show that in this case, log X and log Y satisfy a shift model with parameter log . (b) Show that if X and Y satisfy a shift model with parameter , then e X and e Y satisfy a scale model with parameter e .

A Sample of size n = 54 has sample mean x = 54.8 and sample standard deviation s = 9.5. A sample of size n = 54 has sample mean x = 54.8 and sample standard deviation s = 9.5. Part: 0 / 2 Part 1 of 2 Construct a 98% confidence interval for the population mean J. Round the answers to one X 5 decimal place. A 98% confidence interval for the
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Draw a careful graph of the function f(x)=x^2. Draw the tangents at points x=1, x=0, and x= -0.5. Find the slopes of these lines by picking two points on them and using the formula slope = (y2-y1)/(x2-x1). These slopes are the(approximate) values of f'(1), f'(0), and f'(-0.5)

1.USA Today (December 13, 1998) reported on a study of the automobilespurchased by women in 1998. The data in the study consisted of a description of the top five automobiles purchased: Ford Escort (FE), Honda Accord (HA), Chevrolet Cavalier (CC), Ford Taurus (FT), and Hyundai Excel (HE). The actual study summarized the purchases of several

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1.You own and run a retail clothing store and want to see what is selling or not. Define your notation, and put the numbers to your notation as appropriate. Your sales are split 50-50 between men's and women's clothing. ( 2 pts each) a.25% of your sales are of large size garments. b.If a sale is of a large-size garment, the chance it is a men's

Please with full steps Tutorial Exercise Consider the solid obtained by rotating the region bounded by the given curves about the y-axis. y = In 2r, y = 1, y = 5, x =0 Find the volume V of this solid. Part 1 of 6 We will use horizontal strips. Such a strip has a vertical span of X x=0 yz 0 y3 y1 = 5 Y2 = 1 13 = In 2x
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Sports of All Sorts produces, distributes, and sells high-quality skateboards. Its supply chain consists of three factories (located in Detroit, Los Angeles, and Austin) that produce skateboards. The Detroit and Los Angeles facilities can produce 350 skateboards per week, but the Austin plant is larger and can produce up to 700 skateboards per
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Hello, can you tell me what your thoughts are on this? Thank you. Use the Descriptive Statistics tool to summarize the percent gross prot for the sales data provided. .Click the icon to view the data. Find the descriptive statistics for the percent gross prct. (Type integers or decimals rounded to two decimal places as needed.} Mean Dug, Standard
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The manufacturer of a fertilizer guarantees that, with the aid of the fertilizer,65%of planted seeds will germinate. Suppose the manufacturer is correct. If8 seeds planted with the fertilizer are randomly selected, what is theprobabilitythat at most6of them germinate?

Compaa Mueblara DAH, fabrica sillones para escritorio. Todas las partes las compra y las ensambla en su planta. El costo estndar de sueldos directos para ensamblar cinco sillones es de $18.00 (dos empleados a $4.00 la hora; y, dos obreros generales a $5.00 la hora). Para el presente ao, las tasas estndar de gastos de fabricacin variable y fija de

Solve the following: 2. Suppose that we define J(Oo, 01) = 1 m 2m [( Oo + 012.(2 ) - y(1) ) 2 i=1 Find OJ and OJ n 3. Let ((x : M, o) = In II exp ( 2C K - M) 2 V 27102 202 Treating the values of x = [x1, x2, ..., an as k=1 constants, at what value of u, o does ((x : M, o) have a maximum? Please provide calculations and reasoning to support your
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A portion of sole fillets weighs 220g and contains the following nutrients (per 100g): Protein 8g, Fat 1.5g. What is Energy (kJ value) of a portion if the energy values per gram each for Protein is 16.7 kJ, and for fat is 37.7kJ?

QUESTION 25 (10 points) - Efficiency Measurements We have a hypothetical business process with three consecutive resources. Information about important aspects of the business is presented in the table/template below. Note that the template shows you the recommended steps for calculating various efficiency measurements. You do not need to fill in
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Thank you so much! Suppose that a random sample of size 64 is to be selected from a population with mean 40 and standard deviation 5. (a) What is the mean of the xbar sampling distribution? :] What is the standard deviation of the xbar sampling distribution? :] (b) What is the approximate probability that xbar will be within 0.5 of the population
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I kinda got the start of it but then towards the end, i get lost. Anyone able to assist? A course in statistics is one of the most difficult at the local university. Because of this, for the past decade the university has arranged for teaching assistants to hold frequent discussion sessions as part of the course. Since the inception of the
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1. The mean and standard deviation of a normal distribution are 15 and 3.8 respectively. Find the following. [7 1] i. P( x = 17) ii. P (x
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Question 6 [20 marks] At the start we discussed how thermal storage solutions are not the only possible technology of choice. Competitive options are also hydrogen storage and chemical batteries. Market research indicates that the probability to choose one of the three technologies or switch to another after each year is given by the probability
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As an underwriter, Magnus relies heavily on data for objective, irrefutable evidence to support his decision making. The amount of data available to him has increased greatly in recent years, which Magnus refers to as Available answer options Select only one option A Big data. B Telematics. C Internet of Things. D Wearables

The Age Discrimination in Employment Act of 1967 (ADEA) protects certain applicants and employees 40 years of age and older from discrimination on the basis of age in hiring, promotion, discharge, compensation, or terms, conditions or privileges of employment. Review "The Age Discrimination in Employment Act of 1967" and "Intel Accused of Age
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The probability that a 22-year-old woman in the U.S. will die within one year is approximately 0.00044. If an insurance company sells a one-year, $15,000 life insurance policy to such a person for $275, what is the company's expectation? (Round your answer to the nearest dollar.)

Two teaching methods and their effects on science test scores are being reviewed. A random sample of 11 students, taught in traditional lab sessions, had a mean test score of 76.7 with a standard deviation of 3.2. A random sample of 16 students, taught using interactive simulation software, had a means test score of 83.2 with a standard deviation

In a study of the relationship between sleep apnea and hypertension (New England Journal of Medicine, 2000), researchers Peppard et al. categorized the participants by the severity of sleep apnea at the beginning of the study, and four years later recorded whether or not the participant had hypertension. Here is the table of the summarized data:
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A recent year's records of auto accidents occurring on a given section of highway were classified according to whether the resulting damage was $3,000 or more and to whether a physical injury resulted from the accident. The data follows. Under $3,000 $3,000 or More Number of Accidents 36 42 Number Involving Injuries 9 25 (a) Estimate the true

Although about 20% of engineering graduates are female, only 11% make up the current work force. Assumea sample of 9 practicing engineers is taken. 1: Define inwords and numbers, n , the number of trials and p , the probability of success on each trial. 2: Find the probability that none of the engineers surveyed are female. 3: Find the probability

5. Further provide the answers to the questions that follow: a. Describe and interpret what is going on in this tree in about 250 words. b. Include a discussion on what the optimal strategy is and why is it the optimal strategy? c. Include a statement of what the expected value is? What does expected value mean here? d. Change the values in cells
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The Ball Corporation's beverage can manufacturing plant in Fort Atkinson, Wisconsin, uses a metal supplier that provides metal with a known thickness standard deviation = .000742 mm. Assume a random sample of 48 sheets of metal resulted in anx= .2731 mm. Calculate the 95 percent confidence interval for the true mean metal thickness. (Round your

Show all work pls and no using ONLINE calculator for this stuff. All original work. 13. 5 points Ronald Drumf selected campaign rm A to ensure he had a lead going into the last month of the election. Hollary Dillington has less money so she selects campaign rm B, who cannot guarantee as many voters by the last month of the election. The rms model
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How much time to study is enough time? That's the question that was plaguing a history teacher (bet you thought I would use stats again). He decided to use the first month of the class to test this hypothesis by randomly assigning his lecture of 154 students into the following four groups: one hour of study for the week, two hours of study for the

Consider the Venn Diagram below. A B 19 45 27 26 n(A) n(A UB) n (B n AnB
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how do you solve for c and n when solving for big omega

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A researcher wishes to estimate, with 99 99% confidence, the population proportion of adults who think Congress is doing a good or excellent job. Her estimate must be accurate within 3 3% of the true proportion. (a) No preliminary estimate is available. Find the minimum sample size needed. (b) Find the minimum sample size needed, using a prior

can you please help me with this whole question? 0 Question 15 v The number of seconds X after the minute that class ends is uniformly distributed between 0 and 60. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X ~ U(E,-) then the sampling distribution is b. Suppose that 39 classes are clocked. What is the
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4 Exercises: Find the maturity value of each of the following simple interest notes. Each note is then discounted at 12%. Find the discount period, the discount, and the proceeds after discounting. Date Loan Face Length Maturity Date of Discount Was Made Value of Loan Rate Value Discount Period Discount Proceeds 1. Feb. 7 P 6200 90 days 10.5%

solve these problems:- A pulp and paper company is evaluating whether it should retain the current bleaching process that uses chlorine dioxide or replace it with a proprie- tary "oxypure" process. The relevant information for each process is shown, Use an interest rate of 13% per year to perform the replacement study Current Process Oxypure
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Please help me answer this question. Republicans). Of the group, 16 senators are women Democrats. Part 1 X Your answer is incorrect. Create a 2x2 chart with the following information: Female and Republican: i 10 Female and Democratic: i 10 Male and Republican: i 40
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' Aaco-re that is 6 points below the mean corresponds to a z score of z--' -2.00. What is {the population standard deviation
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please use r studio This assignment must be submitted as a single PDF file, see "One Small PDF" in the Resources section of LMS for information on making a PDF. Please practice making such a PDF well before assignment submission. Data (VOmaxFemales.csv) is in the Data Files section on LMS Visualisations should be publication quality (title,

As you've reviewed the concept between using one-tailed and two-tailed tests, which test has the most limitation in your opinion, and why? How would you resolve this issue? Please include scholarly sources to support your

Sumofpacketarrivals. Consideranetworkrouterwithtwotypesof incoming packets,wirelineandwireless.LettherandomvariableN1(t)denotethenumber ofwirelinepacketsarrivingduringtime(0,t]andlettherandomvariableN2(t) denotethenumberofwirelesspacketsarrivingduringtime(0,t].SupposeN1(t) andN2(t)areindependentPoissonwithpmfs P{N1(t)=n}= (1t)n n! e1t

La distribution normale est un exemple de A- un histogramme montrant les donnes d'un chantillon B- une courbe lisse montrant les donnes d'une population C- un polygone montrant les donnes d'un chantillon D- un graphique barres montrant les donnes d'une population

check this for correct: dentify a pattern in the given list of numbers. Then use this pattern to find the next number. (More than one pattern might exist, so it is possible that there is more than one correct answer.) 6, 15, 24, 33, 42, Question content area bottom Part 1 The next number is enter your response here. ChatGPT To identify the pattern

(e) Given an+1
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See the images below: Question 1 2 pts Consider the curve in the plane given by the equation x2+y2=9. Which of the following vector functions gives a parametrization of this curves corresponding to a particle starting at r(0) = , 0 , 0 , 0 . and let L denote the tangent line to this curve at the point p=(1,-1,0). Which of the following is true O
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For 50 randomly selected speeddates, attractiveness ratings by males of their female date partners(x) are recorded along with the attractiveness ratings by females of their male date partners(y); the ratings range from 1 to 10. The 50 paired ratings yield x overbar xequals =6.4 6.4, y overbar yequals =5.9 5.9, requals =negative 0.259 0.259,
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its all in question 2, thank you for help! Question 2(a) The null and alternative hypotheses for this test are O Ho : M = 64, Ha : M # 64 O Ho : M = 62, Ha : M
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Use the given table below to find the mean. (Round to the nearest tenth) Years President Lived After First Inauguration Frequency 0-4 8 5-9 2 10-14 5 15-19 20-24 25-29 30-34 35-39 15.0
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For the following, indicate what type of analysis (test) you would perform and what alternative hypothesis you are testing.If you think a directional test is appropriate, make sure you incorporate this in the alternative hypothesis.In your answer,please indicate 2 things: the type ofanalysis AND the alternative hypothesis Important: You may not

if X ~ N (189 , 19) what is P ( |X - 189| > 43) step 1: P ( |(19 z + 189) - 189| = |19 z| = 19 |z| step 2: P ( |x - 189| > 43 ) = 19 |z| > 43 step 3: P ( |z| > 2.26) now i dont know where to go from there or if that is even correct, the answer is a 0.0000 number beginning in 0.____

Some of the questions have answers and some don't. I am stuck with each of them. Could you please kindly check and explain them to me? I have been fighting with them entire day! Thanks for helping me! 1 1 of 10 (2 complete) V ) Find the domain of the following function, KAY) = 5W + 91+ 5y Select the correct choice below and, if necessary, ll in
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A student claims that she can correctly identify whether a person is studying a business or science major by the way the person dresses. Suppose in actuality that if someone is studying a business major, she can correctly identify that person as a business student 87% of the time. When a person is studying a science major, the student will

Serial Education level Income ($) 1 High School 3900 2 Elementary school 4020 3 College 4290 High School 4350 College 4350 Elementary school 4380 College 4380 University 4400 High School 4440 10 University 4500 11 Elementary school 4500 12 Elementary school 4620 13 College 4800 14 University 4800 15 Elementary school 4800 16 College 4800 17 High
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answer these problems An engineer with Haliburton calculated the AW values shown for a presently owned machine by using estimates be obtained from the vendor and company records. Retention AW Value. Period, Years 5 per Year -RI, OOD -87,DOD -890OD -95,000 A challenger has an economic service life of 7 years with an AW of $ 86,000 per year. Assume
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Discuss and analyze the following paper on Risk response and management for software companies https://www.researchgate.net/publication/279285224_An_Assessment_of_risk_response_strategies_practiced_in_software_projects

(1 point) Coaching companies claim that their courses can raise the SAT scores of high school students. But students who retake the SAT without paying for coaching also usually raise their scores. A random sample of students who took the SAT twice found 427 who were coached and 2733 who were uncoached. Starting with their verbal scores on the
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please help with this or 0.5 #30 D Question 29 2 pts An odds is: C) The ratio of the probability of an event not happening to the probability of the event happening. C) The probability of an event occurring. C) The ratio of the odds after a unit change in the predictor to the original odds. O The ratio of the probability of an event happening to
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2. Evaluate the following limits, if they exist. If they do not exist, but approach -0% or too, indicate this. Indicate vertical assymptote(s) if any. You ARE NOT ALLOWED TO USE L'Hopital's Rule at any stage. x2 - 9 (a) lim x--32x2 + 5x - 3
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What formula should be entered in A3 to compute A1 divided by C3? \f
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A random sample of 60 12th-grade students were asked how long it took to get to school. The sample mean was 15.4 minutes and the sample standard deviation was 12.2 minutes. What minutes would the 95% confidence interval be between and how could i find that? Would a 90% confidence interval be wider or narrower than the 95%? and why would that be?

If the random variablezis a Standard Normal Score, what is P(-2.00 z +2.00)? How did you find thisprobability? Find thez-score for the standard normal distribution where: P(z

solve these problems:- A recent environmental engineering graduate is try- ing to decide whether he should keep his presently owned car or purchase a more environmentally friendly hybrid. A new car will cost $26,000 and have annual operation and maintenance costs of $1200 per year with an $8000 salvage value in 3 years ( which is its estimated
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Sketch the curve given by the parametric equations: x = 2 c o s ( t ) y = 3 s i n t ( t ) 0 t 4 (please use dashed lines on graph f or t beyond 4 ) by eliminating the parameter . Label the direction a point on the curve moves as increases.

3. Here is a brief summary of the data collection plan of a fictitious study. Read the summary and then respond to the questions that follow. (10 MARKS) A researcher conducted a study to investigate the relationship between adults' blood pressure (BP) and their suppression of anger. Data were gathered from a sample of 347 healthy men and women

A brochure inviting subscriptions for a new diet program states that the participants are expected to lose over 27 pounds in five weeks. Suppose that, from the data of the five-week weight losses of 65 participants, the sample mean and sample standard deviation are found to be 21.5 and 3.4, respectively. Could the statement in the brochure be

Calculate the body surface area for a child who weighs 55 pounds. Round the answer to the nearest hundredth, if applicable. m2

Can you please explain How to find B0 and B2 in details. The equation for a straight line (deterministic model) is y = [30 + 1x. If the line passes through the point ( 8,1), then x= 8, y = 1 must satisfy the equation; that is, 1 = [50 +[i1(- 8). Similarly, if the line passes through the point (5,2), then x = 5, y = 2 must satisfy the equation;
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Question 4 [8 marks] Pis a point (2,4) and Q is the point (5,1) and L is the point (1, 6). Given that N is a point on the line PQ such that LN is the minimum distance for point L to PQ. a. Find the gradient of the line PQ 1 mark b. Find the equation of line PQ. 3 marks c. Find the gradient of the line LM. 1 mark d. Find the coordinates of point N.
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Specialty Toys, Inc., sells a variety of new and innovative children's toys. As with other products, Specialty faces the decision of how may Weather Teddy units to order for coming holiday season. Members of the management team suggested order quantities of 15,000, 18,000, 24,000, 28,000 units. The wide range of order quantities suggested

The function used to compute the power of a two-sided binomial test is only an approximation whenp0?= 0.5 because the two tail probabilities may not be equal when the binomial distribution is not symmetric. a) compute power for a binomial test even when p0= 0. b) determine the power of a test thatp= 1/3 against an alternative thatp= 1/4 using a

Which of the following is an example of a (matched) pair design for a two dependant samples? A.A teacher compares the pretest and posttest scores of students.B.A teacher compares the scores of students using a computer-based method of instruction with the scores of other students using a traditional method of instruction.C.A teacher compares the

Hello. Please help. Thank you. (4) Prove: (a) siniz = isinhz (b) cosiz = coshz (c) sin(x + iy) = sinxcoshy +icosxsinhy 1 1 zti (5) Prove that (a) cos z = =In (z+vz2 -1 ), (b) cot z= In indicating any restriction Z
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According to analmanac, 70% of adult smokers started smoking before turning 18 years old.270 smokers who started smoking before turning 18 years old in a random sample of 300 adult smokers? Why? (a) Compute the mean and standard deviation of the random variableX, the number of smokers who started before 18 in 300 trials of the probability

3. (CLO 2) Test a claim that the mean height of your population is different from 64 inches. Use a significance level of 0.02. a. State the initial and alternative hypothesis. b. Find the test statistic and the P-value. I want to see the formulas filled in with the numbers. c. Draw a conclusion in context of the situation. 4. (CLO 3) Find a
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Parts of the Midbrain Functions The inferior colliculus Response area The superior colliculus Response area The periaqueductal gray Response area The reticular formation

A state offers two lottery games, WinOne and PlayBall.Both games cost $2 per ticket. In WinOne, the player picks a single letter from A to J and a single digit from 0 to 9.If both the letter and the digit match the letter and the digit picked on that day, the player wins $150. In PlayBall, the player picks a single letter from A to T and a single

Five years ago, Adib saved $10,000 in an account that pays 6% compounded monthly. Now he intends to add another $x into the account. Determine the value of x if the account will amount to $30,000 in 10 years' time.

2. If f : R - R is differentiable, then lim f(e ") = f(0) 3. If r is an eigenvector of a matrix A and -1 is the only eigenvalue of A , then Ar +r = 0 4. Let f: R - R be continuously differentiable. Then M)(x) = TJ(x, 0) for all re R. 5. If (On)new is a convergent sequence such that a,, > 0 for every n E N , then lim. .. a, 3 0.5. If (an)new is a
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Find the values ofcsuch that the area of the region bounded by the parabolasy=25x 2 c 2 andy=c 2 25x 2 is64/15. (Enter your answers as a comma-separated list.)

Hello and thank you for your time, I was never taught how solve an integral and this is a question on my assignment. Can you please tell me how to solve it? Evaluate the following integral and show all your work. No part marks will be available. cos1(2???? + ln(????)2)???? /sin(7????5 1)tan ????????+ ????????????????. ???? Would you

Create your own equation and post it in the discussion board. The equation must have a variable on both sides of the equal sign and must require the distributive property in order to solve it. You may make the equation as involved or challenging as you wish...but keep in mind that a classmate will have to solve it so try to not make it too hard

A student did a study on the how stuffed animals & amount of sleep newborn babies got. He got woman who gave birth on the 18th and 19th of the month to volunteer for the study. In the 50 participants that were gotten from a city hospital, half of the babies were given a stuffed animal after eating. The other half were not given any stuffed

Thank you so much! Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean of 0C and a standard deviation of 1.00\"C. A single thermometer is randomly selected and tested. Find the probability of obtaining a reading greater than 3.165C. 666 > 3-66) = :J Assume that the readings at freezing on a batch of
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ssignments X ELE Unit 3 Section 2 Exercises.pdf ads/Unit%203%20Section%202%20Exercises.pdf A) Read aloud Draw Elementary Statistics Unit 3 : Section 2 Exercises Exercise 3 The nutrition label for a 32-ounce carton of Swanson's Fat Free Chicken Broth states that one serving of this broth contains 570 mg of sodium. In order to determine if the
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Seventy-six Starbucks food items were analyzed for the calorie and carbohydrate content. We used linear regression to explore the relationship between the number of calories and amount of carbohydrates (in grams) Starbucks food menu items contain. The estimated regression equation with carbohydrates as the response variable and the calories as the

A supplier manufactures rubber baby buggy bumpers for the bumper cars. A random sample of 49 bumpers is taken and the sample mean life is 3.5 years with a standard deviation of .5 years. The law requires 95% confidence of operation when scheduling bumper replacement. a)What are the lower-limit and the upper-limit of the two-sided confidence

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