Mathematics Questions and Answers November 26, 2019

Previous Problem Problem List Next Problem (1 point) Use algebra to evalute the following limit. lim (34h) -9 ho h Preview My Answers Submit Answers

X Question 2 0/8 pts 9 1 97 0 Details Score on last try: 0 of 8 pts. See Details for more. Get a similar question You can retry this question below Let v = ( x cos z, 3 - 3x y cos z - 3yz sin x, 23 sin x ) be the velocity field of a fluid. Compute the flux of v across the surface a + y + z = 16 where y > 0 and the surface is oriented away from the

I find out that interaction is significant here.1) In this case, is treatment still significant?2) How do I perform ANOVA with this data focusing on interactions?

A man makes a simple discount note with a face value of $2,500, a term of 140 days, and a 9% discount rate. Find the discount. (Use the banker's rule.)

Is there a difference in means on the IIFAS (breast feeding attitude scale) score at 2days, 2weeks and 6 weeks for dependent observations, assume normality of the IILAS which is measured at the interval level. a. Dependent: IIFAS b. Dependent observations c. Normally distributed data d. Repeated measures ANOVA

HW11.1,11.2 Score: 0&9 CF19 answered . Question '1 1 v Sedan SUV Sports Car Hatchback Complete the table by finding the missing vaLues. Round answers to two decimaLs if needed. 0 Question 12 v Car type 0 E Sedan 16 16.4 SUV 20 16.4 Sports Car 20 16.4 Hatchback 15 16.4 Pickup 11 The tabLe shows the caLcuLations for a Goodness of Fit test. Find the

(1 point) Use matrices to solve the given system of linear equations. -2x 10 y - 25 z = + 9y + 212 = + 5 y + 12 z If there is one solution, give its coordinates in the answer spaces below. If there are infinitely many solutions, enter "2" in the answer blank for z, enter a formula for y in terms of z in the answer blank for y and enter a formula

STATA: Using Stata and the GSS 2018 dataset, with homeownership (dwelown) to the independent variable, social class (class). Use the textbook convention of putting the dependent variable in the rows. The second tables reflect Controlling for race (race). Answer the following: Describe the bivariate relationship in the contingency table. Describe

11:15 X 35.11 1 14,0.41 1025. 92 9,6.90 $0.09 2509. 60 919:09 49:29 9429.56 27. 29 51. 69 267126 -103- 241 47- 63 92 68 .62 36.20 712 . 041 20.59 93574 16. 62 21 13 . 42 37. 58 1127. 61 34. 55 1193- 70 1 12. 74 1226- 71 34. 20 1211. 04 37. 73 1423-55 35-51 10 5 6. 90 346-15 10970. 035 421 . 31 |19 321 . 24 h, =ll X 346 .15 X, = 421. 31 = 46-21 2.

A population of exam scores has a mean of 80.4 and a standard deviation of 13.2. What score would a student need to have a Z score of 1.3?

8.3 Confidence Intervals for Proportion (Z-table) Out of 200 people sampled, 102 had kids. Based on this, construct a 90% confidence interval for the true population proportion of people with kids. Round to 3 decimal places. < p <

As part of your work for an environmental awareness group, you want to test the claim that the mean amount of municipal waste generated by adults in Switzerland is 1.7 kg (per day per person). You find that the mean municipal waste (per person per day) for a random sample of 13 adults in Switzerland is 1.93 kg, with a standard deviation of 0.4 kg.

Use the 5-step solution for each of the following problems. Example: Ho: = = = ; Ha: Not all the are equal or at least one pair of means is significantly different. 2. = 0.01, = 0.105792 3. Decision Rule: Reject Ho if p-value 4. Decision: Do not reject Ho 5. Conclusion: There is no significant difference in the average number of bottles of vinegar

Homework 4 questions 1, 2 and 3 Your last submission is used for your score. 3. DETAILS HARMATHAP11 12.1.043. If the marginal revenue (in dollars per unit) for a month is given by MR = -0.5x + 500, what is the total revenue from the production and sale of 70 units? $Assignment Scoring Your last submission is used for your score. 2. DETAILS

If you have a study design that requires a single sample exposed to different levels of the independent variable, what sort of test might you consider? A) Matched samples test B) Independent samples test

Could you show explanation and working for this example Let h > 0 and let P, (0, 0), Q, and be the three points on the pianar curve y = x2/2 at x = h, x = 0. and x = h, respectively, and let the centre of the circle passing through these three points be at (0, p(h)). (A) Calculate R E hlilgl p(h), from first principles using no formula from the

Consider a population of 300 with a mean of 50 and a standard deviation equal to 22. What is the probability of obtaining a sample mean of 51 or less from a sample of 35? Click here to view page 1 of the Cumulative Standardized Normal Table. Click here to view page 2 of the Cumulative Standardized Normal Table. What is the probability of obtaining

The Binomial Distribution is symmetric about the Mean when the proportion p is A Less than 0.5 B Equal to 0.5 C Greater than 0.5 D None of these is correct

Related Rates Multiple choice 1. Let x and y be functions of time t such that the sum of x and y is constant. Which of the following equations describes the relationship between the rate of change of x with respect to time and the rate of change of y with respect to time? a) dx/dt = dy/dt b) dx/dt = -dy/dt c) dx/dt + dy/dt = dK/dt, where K is a

+ ID wsu.instructure.com Explore Micros.. PHIL 201 : Elem... DG IDE | Geeksfor. The R Program.. W 5.5 Python Mo... G WSU KHOI W Math 216- Fall. MindTap - Cen. Crowdmark Wednesday 12... C Fill in the Blank.. & Download i Info X Close Exam 2F (Practice)-1.pdf Wednesday Page T) (~SVT)&P (about 10 lines, according to the standard

When conducting ANCOVA, what would be the best descriptive statistics to report to show the strength and direction of the association?

Problem 3 Let X and Y are independent normal random variable with E(X]-0,V(X)=5, E(Y)=10 and V[Y)-9. A random variable T is defined as To2X+3Y. a) Determine the probability distribution of T with complete parameters. [1 Point] b) Determine P(25

A large container filled with marbles has four levels. Each level has holes through which marbles may drop to the levels below. Every 20 minutes, a machine shakes the container. After shaking, some marbles will drop to lower levels but within 10 minutes all marbles will come to rest. For each level except the last, half of the marbles will remain

Integrate the following. Problem 1

sec3 x dx

How do we assign participants to groups? C. Mixed assignment to groups - Winter, Carlucci, Schwartz-I've talked before about a study I did where I altered the order of homicide instructions I gave to jurors. Usually, the courts present charges in a "severe to less severe" order 1 st Degree Murder, 2 nd Degree, Manslaughter-I wondered whether the

A random sample of 50 BCTC students is asked, "Would you rather speak all languages or speak to animals?" After pondering the question carefully, 30 of the students say they would rather speak to animals. What is the low end of a 95% confidence interval for the proportion of all BCTC students who say they would rather speak to animals? Enter your

Hi can anyone help me with these questions, it would be greatly appreciated:) this is for polynomial functions including remainder theorem, long division and division statementFor 7 please help find the values for a, b and c My time limit for this is 1:19:31 Question 5 (1 point) When x3-4x3 +3 and x3 -3x2 +8x+19 are each divided by (x-a) , the

> Next question You can retry this question below The following contingency table summarizes the drug test results for 443 test-takers: Positive Negative Total Doesn't use drugs 7 196 203 Uses drugs 228 12 290 X Total 235 208 443 For a randomly selected test administration, find the following probabilities. (Round the answers to 4 decimal places.)

What is the last number for the 13th equation a. Find a pattern in the equations shown here, and use your pattern to write the next equation. 1+2 =3 4+5+6=7+8 9 + 10 + 11 +12 = 13 + 14 +15 16 + 17 18 + 19 + 20 21 22 + 23 + 24 b. If the pattern in the first three equations is continued, what will be the last number of the 13th equation

. Question 11 Test the claim that the proportion of men who own cats is smaller than the proportion of women who own cat at the .05 significance level. The null and alternative hypothesis would be: Ho : UM = UF HO : PM = PF HO :PM = PF HO : PM = PF HO : UM = UF Ho : UM = UF H1: UM PF H1:PM UF H1: UM # UF O O O O O The test is: left-tailed

la compaa DEPORTEX debe cancelar al Banco Comercial una deuda de $ 8,000 quevencer dentro de 30 das y otra de $ 10,000 que vencer dentro de 60 das. La GerenciaFinanciera de DEPORTEX en base a su flujo de caja proyectado negocia con el BancoComercial diferir los pagos para el da 120. Considerando que se aplica una TEM del 5%.Qu importa se debe

Find an equation for the tangent to the curve at the given point. Then sketch the curve and the tangent together. y = 8 x, (16,32) V=

please make sure each section is clearly labeled or written along with the steps to solve and answer a. Find the dot product of v and u. U . V= Find the length of v. Ivl =(Type an exact answer, using radicals as needed.) Find the length of u. lul =(Type an exact answer, using radicals as needed.) b. Find the cosine of the angle between v and u.

Which of the following would contruct the proper integrating factor for the linear differential equation I 2 y 3y = a: A: 11.01:) = (if3'13 B: u(a:) = cur33d: 2 3 Consider the equation y' + y : :1: on :1: > 0. (1'; State the integrating factor Mt). #($)= Once we have the integrating factor, what is the next step in solving the DE 39' + 7y = 3:3?

3. The data for this problem come from a smoking cession study. Smokers were given hypnosis therapy to help them quit smoking. We call the subjects every morning to determine if they have had a cigarette. For 31 subjects. they answer the phone every day,r until they report a relapse. Let y] . . . . . y" be the relapse times for these subjmts. For

una deuda que vence el 28 de julio por un monto de $22,000 se lquido con un fondo acumulado mediante 6 meses depsito mensualmente vencidos por 3,487.57 cual fue la tasa de inters mensual que rendia el fondo?

Complete the general form equation of the parabola that passes through (3, 6) with vertex at (2, 3) . Enter the quadratic expression in general form. {13:2 -l bar l c. Do not enter "f(x) =". ft) = D Use the discriminant to describe the number of m intercepts of f (9:) = 532+5ati3. O The x in1ercept is the parabola's vertex. 0 The parabola has two

Please Explain Each of the following questions deals with compound or continuous interest. Show your work in the space below each problem. Round all answers to the hundredth place. Use appropriate units when writing your answers. 1. $700 is deposited into an account that earns 4% interest annually. If no other deposits are made into the account,

Grace K stock is trading on Trinidad and Tobago's stock exchange and has an average return of 5.72% and a variance of 23.04. Trinidad and Tobago's 25- year treasury bonds are trading at 3.7%. Given this information, provide answers to the following questions: a) Calculate the Coefficient of Variation (2 Marks) b) Calculate the Sharpe Ratio (2

M119-2786 Online Summer 2022 Homework: Sections 1.3 and 1.6 Question 8, Instructor-created Homework question Re-write each problem below in the form: ax" b a b) 5 4 X = 1 A 31 d)

Points: 0 of 8 The acccompanying data set lists the retirement ages for 24 doctors. Use the data to construct a cumulative frequency distribution using six classes and to create an ogive for the of the greatest increase in frequency. Click the icon to view the data set. Complete the cumulative frequency distribution table below. Use the minimum

12. [-/6.25 Points] DETAILS BBBASICSTATSACC 5.1.007.MI. MY NOTES ASK YOUR TEACH A recent survey of 1030 U.S. adults selected at random showed that 629 consider the occupation of firefighter to have very great prestige. Estimate the probability (to the nearest hundredth) that a U.S. adult selected at random thinks the occupation of firefighter has

III Int-Ohm\": Next question ;) possible A population has a mean u: 80 and a standard deviation 0 = 23. Find the mean and standard deviation of a sampling distribution of sample means with sample size n = 246. mm 11; = D (Simplify your answer.) a; = E (Type an integer or decimal rounded to three decimal places as needed.)

d. (10pes) Suppose the study investigator is also interested in estimating the relapse rate for cocaine iners taking the antidepressant drag Desipramine. L (5 points) Conures a 90%% confidence interval for the relapse rate (Le, the proportion of individuals receiving Desipramine that have a relapse) X = 10 1 = 24 2 0.4166 2*- 2.576 P + 2 . P ( I -

I need answer urgently for this question because I have Test now in 2 hour. Please show the step one by one. Please use clear handwritten, so that i can read your answer. I will give the best rate for you. Thank you. QUESTION 3 A group of lecturers intends to investigate the relationship between the level of satisfaction on services and the total

Data for Home Voltages and Generator Voltages Complete data set Day Home (volts) Generator (volts) Day Home (volts) Generator (volts) 123.2 124.4 21 123.5 124.0 123.7 124.3 22 123.4 124.5 123.8 125.2 23 123.4 124.4 123.2 124.0 24 123.7 124.8 COCO NOULAWN - 123.1 124.9 25 123.4 124.3 123.2 124.3 26 123.3 124.7 123.0 125.4 27 123.4 124.6 123.1 124.5

5. An ecologistis studyingthe flower Iris versicolor He measurethe width andlengthof 100 petalsof this flower from a largecollectionof specimenandobtainsthe following data Width: AVG = 1.3 cm, SD = 0.2 cm Length: AVG = 4.3 cm, SD = 0.5 cm r = 0.65 One of the petals is at the 30th percentile of both width and length. Relative to all the petals at

A lamina of uniform density p is bounded by the graphs of y = _ x, y =0, and x = 2. Find the numerical 2 value of the mass m of the lamina. (A) p/3 (B) P (C) p/2 (D) 4p/3 The improper integral Jo e-*dx: (A) converges, the limit is 0 (B) converges, the limit is 1 (C) converges, the limit is e (D) diverges The interval of convergence of the series

Let X, Y be random variables and a, b scalars (numbers). Find the expected value E(a . X + b . Y), where ux = -3, My = -6, a = 3, b= 1

You measure the weight of 37 randomly chosen turtles, and find they have a mean weight of 33 ounces. Assume the population standard deviation is 3.9 ounces. Based on this, what is the maximal margin of error associated with a 99% confidence interval for the true population mean turtle weight. As in the reading, in your calculations: --Use z =

Economics: supply and demand. Given the demand and supply functions, P - D(ac) = (x - 25)2 and p = S(x) = x2 + 20x + 65, where p is the price per unit, in dollars, when a units are sold, find the equilibrium point and the consumer's surplus at the equilibrium point. E (8, 289) and consumer's surplus is about 1258.67 O E (8, 167) and consumer's

How to solve these two questions of calculus? 1. Muhammad remembers having read somewhere that the integral ac 2 ( 2 4 - 3) I = (24 + 3) 3/2 (24 + 16x2 + 3) has the form 1 I =- -tan -1 u (x ) 1 + C, 64 4x 16 u(x) but Muhammad could not recall the function u nor how to compute the integral. Muhammad clearly needs your help. Assume x > 0 . (a)

2. Three training programs are being considered for accountants. The success of the training programs is measured on a rating scale from 0 to 100, with higher values indicating a desirable program. The company has categorized its accountants into three groups, depending on their number of years of experience. Three accountants are selected from

Consider the differential equation day E IN dx2 + y = sin 2x, with y = 0,= = = 0at x = Show that a solution of the above differential equation is NIM y = =cosx (1 - sinx) (10 marks) NFL Ran shomes

5. When we roll two dice independently and keep track of the sum, the box model is to take two draws with replacement from a box with six tickets labeled from 1 to 6. Would a box model that uses one draw from a box with 11 tickets labeled from 2 to 12 give the same answers? Answer yes or no and explain your answer thoroughly

1 The data table contains frequency distribution of the heights of the players in a basketball league. a. Calculate the mean and standard deviation of this population. b. What is the probability that a sample mean of 30 players will be less than 69 in.? c. What is the probability that a sample mean of 30 players will be more than 70.5 in.? d. What

9. Find the volume of the solid described by the 1 inequalities -r

9. Find the volume of the solid described by the 1 r z 2 (Hint the inequalities volume of a sphere is 7tr3 the volume of a cone is 1 nr2h and the volume of a cylinder is 27trh.)

12:43 PM mework Question 1, 11.1.8-T HW Score: 47.19%, 6.61 of 14 points Save Part 3 of 5 Points: 0.75 of 2 A classic story involves four carpooling students who missed a test and gave as an excuse a flat tire. On the makeup test, the instructor asked the students to identify the particular tire that went flat. If they really didn't have a flat

Suppose you compute a confidence interval with a sample size of 88. What will happen to the confidence interval if the sample size decreases to 39? O The confidence interval will widen. O The confidence interval will narrow. O The width of the confidence interval will stay the same. Question Help: Message instructor Check

The author purchased a slot machine configured so that there is a 1/2000 probability of winning the jackpot on any individual trial. Although no one would seriously consider tricking the author, suppose that that a guest claims that she played the slot machine 5 time and hit the jack pot twice. Find the probability of exactly 2 jackpots in 5

IQ is normally distributed with a mean of 100 and a standard deviation of 15. Suppose one individual is randomly chosen. Let X=X= IQ of an individual. (f) The middle 50% of IQs fall between what two values? e) Sketch the graph, and write the probability statement.

I need help in number 19. The top one is the question and the bottom 19 is the answer in case u need it. I have no idea how to do it and as well if whoever is doing this can explain how to find the 1.04 Z score 19. Flight times An airline flies the same route at the same time each day. The flight time can be modeled by a normal distribution having

Find the equation of the regression line for the given data. Then construct a scatter plot of the data and draw the regression line. (The pair of variables have a significant correlation.) Then use the regression equation to predict the value of y for each of the given x-values, if meaningful. The number of hours 6 students spent for a test and

Last year, Austin, Texas, had all car maintenance on the city's automobiles done by the city maintenance pool. The cost was $364 per car. This year, the city fired all the workers in the maintenance pool and are using a local business to perform the maintenance. The city would like to know whether the local business is saving them money. A random

Could someone please check my work Let D be a nonempty set and suppose that f : D -> R and g : D - R. Define the function f + 9: D - R by (f + g)(x) = f(x)+g(x). 1. If f(D) and g( D) are bounded above, then prove that (f + 9)(D) is bounded above. Suppose D is a nonempty set and suppose that f : D -> R and g: D - R, and f(D) and g(D) are bounded

Insurance companies are interested in knowing the population percent of drivers who always buckle up before riding in a car. When designing a study to determine this population proportion, what is the minimum number you would need to survey to be90%90% confident that the population proportion is estimated to within 0.010.01? The number of drivers

Statistics and Probability V Direction: Determine what is asked in each problem as indicated by the blanks. 1. A school principal claims that the Grade 11 students in her high school have a mean score of 92. Parameter: Null Hypothesis: Claim: mean score of 92 Alternative Hypothesis: Ha: p # 92 2. A medicine company has manufactured and claimed

The answers are on the 4th picture Please skip 21 and 22 Page 2 of 4 - ZOOM 15. A gym membership with two personal training sessions costs $125, while gym membership with 5 personal training sessions costs $260. What is the rate for personal training sessions? 16. A city's population in the year 1960 was 287,500. In 1989 the population was

The U.S. Census Bureau reported that the mean area of U.S. homes built in 2012 was 2505 square feet. A simple random sample of 25 homes built in 2013 had a mean area of 2684 square feet with a standard deviation of 292 feet. Can you conclude that the mean area of homes built in 2013 is greater than the mean area of homes built in 2012? It has been

10.3 Print 14. Complete parts (a) through (c a) Determine the critical value(s) for a right-tailed test of a population mean at the a = 0.05 level of significance with 20 degrees of freedom. (b) Determine the critical value(s) for a left-tailed test of a population mean at the o = 0.01 level of significance based on a sample size of n = 10. c)

There are certain conditions given in the passage. A decision has to be taken on the basis of the given conditions. There is a case based on the set of conditions. Please take a decision for the case and mark thecorrect answer. William Trevino, who works in a public corporation owned by a state department, is an American national.He is 23 years of

Calories Iron Protein Carbohydrates Fat Cholesterol $/lb (per lb) (mg/lb) (g/lb) (g/lb) (g/lb) (mg/lb) Chicken 520 4.4 17 0 30 180 3.44 Fish 500 3.3 85 0 5 90 3.99 Ground beef 860 0.3 82 0 75 350 4.99 Dried beans 600 3.4 10 30 3 0 1.1 Lettuce 50 0.5 6 0 0 0 0.9 Potatoes 460 2.2 10 70 0 0 0.59 Milk (2%) 240 0.2 16 22 10 20 0.83 Linear Programming

1. The curve shown below can be expressed both as a function of z, y = f(2), and as a function of y, r = h(y). The region bounded by this curve and the axes is rotated about the r-axis to form a solid with volume V. (2 points) Find an expression for V using both 1.34 the disk method and the shell method. Draw y - /x) diagrams to explain your

7 (10) Next question The average age of online consumers a few years ago was 24.2 years. As older individuals gain confidence with the Internet, it is believed that the average age has increased. We would like to test this belief. Answer parts a) through e) below. a) Write the appropriate hypotheses. Choose the correct answer below. O A. Ho: H =

Question 3 (1 point) In a group of 12 young professionals studied, it was found that they purchased on average $190.362 per month eating meals prepared outside the home, with a standard deviation of $35.5931. What is the 99% confidence interval of the true amount of money young professionals spend monthly on meals prepared outside the home? 1) (

A simple random sample is taken from a population and yields the following data for a variable of the population. 11 31 33 35 23 29 11 18 16 27 Find a point estimate for the population mean (that is, the mean of the variable). A point estimate for the population mean ? (Round to one decimal place as needed.)

Jim has scored 95 , 89 ,and 64 on his previous three tests. What score does he need on his next test so that his average (mean) is 81 ?

Chapter 7: Central Limit Theorem (Mean) The amount of coffee that people drink per day is normally distributed with a mean of 14 ounces and a standard deviation of 7 ounces. 32 randomly selected people are surveyed. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X ~ N( b. What is the distribution of ? ~ ~

Calculate Mallows C-p statistic for the reduced model with 3 predictors (potential maximum number of predictors in the full model is

The data below gives the gold medal times for every other Summer Olympics for the women's 100 meter freestyle (swimming). Can you predict the gold medal times by the year? Year Time (seconds) 1912 82 2 1924 72.4 1932 66.8 1952 66.8 1960 61.2 1968 60.0 )Listen What is the interpretation of the R-squared value? Approximately 86.2% of the time (in

1. We have the following information: %let q=2; %let dsn=book; To resolve the macro variable & &DSN&Q., two passes are required. Suppose What's the result of the first pass? O & &DSN2. O &dsn2. O &book2. O &book&Q.We have the following information: %let i=2; %%let book=stat674; To resolve the macro variable & &&book&i., three passes are required.

Kindly answer the following questions 1. Identify whether the following statements is a descriptive or inferential statistics. 1. Last semester, the ages of students at a certain college ranged from 16 to 25 years old. 2. Based on the survey conducted by the National Statistics Office, it is estimated that 24% of unemployed people are women. 3. A

6.2 5 In a random sample of five people, the mean driving distance to work was 22.7 miles and the standard deviation was 4.7 miles. Assume the population is normally distributed and use the t-distribution to find the margin of error and construct a 95% confidence interval for the population mean p. Interpret the results. Identify the margin of

5. State the alternative hypothesis in symbols. Sold In JASP, click Frequencies > Classical > Multinomial Test. Put Cookie_type in the Factor box and the Number Sold in the Counts box. Check off Descriptives and Descriptive plot. Paste the descriptive plot below. Chocolate: 23d 6. What are the degrees of freedom? ofamel: 176 7. What is the

Climate change is a global challenge, and many countries have committed to reduce carbon emissions significantly before 2050. To understand the determinants of carbon dioxide emissions, Mr. Tan collected data on CO2 emissions (million tons), GDP (billion US$), population (million), energy use per capita (kg of oil equivalent), and share of

Problems 1-5 pertain to the data set of 90 measurements represented b in which the stems are the digits in the tens place and leaves are the digits in the ones P For these data Ex = 6, 600 and Ex? = 500, 940. 9 0 2 3 4 4 5 6 0 0 6 5 8 8 9 9 7 / 4 4 7 7 8 0 6 6 7 8 9 6 1 8 5 0 2 4 6 6 7 8 9 1. The sample mean of this data set is about (a) 75.4 (b)

Authorities conducted an investigation and found that the chemical Trioxin was illegally dumped into the local swamp Exactly four days after the assumed time of the crime, the amount of Trioxin in the swamp was estimated at about 42.7 barrels, and exactly seven days after the crime, it was estimated at 18.5 barrels. Assume that no Trioxin was in

Please use R Programming for the question listed below. Here is the link to the data file for this question: Bank Data:https://drive.google.com/file/d/18kGNrHUfgcVv2hMKqL5E05L40xCl6e1M/view?usp=sharing Question 1: For this problem, Ivou will load and perform some cleaning steps on a dataset in the provided EiankData.csv, which is data about loan

An instructor administers a 27-item quiz to her class of 25students.Each student's score on the quiz is the number of items answered correctly.These scores are given below. a. Construct a groupedfrequency distributiontable of these data, following the guidelines given in the Resources on Grouped Frequency Distributions page in this module. b. What

An analysis of web traffic on the boxwines.com website was performed with the results presented below. Show your calculations for credit. Chardonnay Merlot Pinot Noir Pinot Grigio Total Young Male 10 30 40 20 100 Young Female 40 20 40 80 180 Mature Male 10 30 40 40 120 Mature Female 200 50 20 60 330 Total 260 130 140 200 730 Calculate the

Exemple 9 Determine the minimum sample size required when you want to be 90% confident that the sample mean is within one unit of the population mean and o = 17 2. Assume the population is normally distributed. A 90% confidence level requires a sample size of (Round up to the nearest whole number as needed )

A researcher wishes to estimate, with 99% confidence, the population proportion of adults who think Congress is doing a good or excellent job. Her estimate must be accurate within 2% 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 study

I need help on these questions Problem 1. (1 point) For each of the following, find the slope m of the line that passes through the two given points. a. (0, 3) and (10, 13) m = b. (-1, 4) and (5, 1) m = Note: You can earn partial credit on this problem. Problem 2. (1 point) The following table models the quantity of a drug in the blood at time x

Question 1 (25 points total) Kiplinger's "Best Values in Public Colleges" provides a ranking of U.S. public colleges based on a combination of various measures of academics and affordability. The dataset "EX11-18BESTVAL.csv" includes a sample of 25 colleges from Kiplinger's 2015 report. Let's focus on the relationship between the average debt in

In Excel, delete the first row in the "SalesData" sheet in the "Red Bluff Golf Course Data" file. Convert all dollar fields to "number" fields with two places past the decimal. Retain the "SalesData" sheet and remove the rest of the sheets from the file. Save the file as a *.csv file and name it: "Red Bluff Golf Course Data.csv" file

1.- Describe the steps to follow to calculate the minimum, maximum and inection points of a function. 2.- Solve and make the corresponding graph. Imagine that you are hired in a company and you are asked to make the design of a metal plate that will serve as heating for an industrial use, in particular you are asked to determine the rate of change

plz solve step by step correctly Question 2 Consider the two following data sets X and Y, Data set X 4 5 3 3 7 1 8 5 Data set Y 5 19 7 7 7 12 7 11 Some useful summations are provided below, Et = 36, _y: - 65, _= = 198, E Ty: = 279. a) Find an expression for the line of regression in the following form, y = a + br. [6 marks] b) Use your regression

At this point, you will be applying the concepts of Central Limit Theorem. Specifically, in solving problems involving sampling distribution of the sample means. The instructions for the given activity are provided below. The scoring rubric below will be used in assessing your output. As a Senior High School Student, how much time do you spent in

Professional athletes in North America are paid very well for their ability to play games. To determine the factors that influence a team to pay a hockey player's salary, 50 hockey players were selected randomly. The salaries at the end of the season, as well as the following performance measures for the season were recorded for each player: games

2: Identify Parameters for Testing in Given Real- Life Problems Gisella Pesisano and Week 3 Formulating Null and Alternative Hypothesis , then answer the Learning Tasks. Parent's Name and Signature. Glenda Pesisano Happy hypothesizing. Learning Task No 1: (25pts) Read each situation carefully and fill in the space provided with appropriate