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Mathematics Questions and Answers October 11, 2021

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The number of people, in thousands, employed in a resort town is represented by the function F(t)=3.8-1.7cos(pi/6 t) where t = 0 is the last day in January, t = 1 is the last day in February, t = 2 is the last day in March, and so on. What is the maximum number of employees employed by the resort? does this model have any drawbacks? In what month

select the negation of the following statement. If the sky looks blue, then it is night time. Question 9 options: The sky does not look blue, and it is not night time. If the sky does not look blue, then it is not night time. If it is not night time, then the sky does not look blue. The sky looks blue, and it is not night time

1/1 Case: Server Downtime 1 After getting outstanding grades in high school and scoring very high on his ACT and SAT tests, Clayto n Haney had his choice of colleges but wanted to follow his parents ' legacy and enrolled at Northwestern University. C layton soon learned that there is a big difference between gett ing high grades in high school and

19. Find the sixth term in the expansion of (4x + 303 20. Let Sr1 represent the statement 1 + 3 + 5 + 7 + + (2n 1) = 112. Use mathematical induction to prove that the statement is true for every positive integer n
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A possible metric related to the objective "increase sharing of blog content on Twitter by 25%" would be: a. new subscribers. b. number of retweets. c. customer satisfaction score. d. click-throughs. e. net promoter score

I need an IEP goal for Geometry for a 10th grader. can you please help with some examples

:))))))))) Matched Pairs 04b A study was conducted to measure the effectiveness of hypnotism in reducing pain. The measurements are centimeters on a pain scale before and after hypnosis. Assume that the paired sample data are simple random samples and that the differences have a distribution that is approximately normal. Does hypnotism appear to
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7. In a completely randomized design, 7 experimental units were used for each of the three levels of the factor. Source of Variation Sum of Squares Degrees of Freedom Mean Square F Treatment Error 432076.5 Total 675643.3
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3. Fully factor each polynomial below: a) 2x4 - 250x b) x6 + 512
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Math Questions 1. The department store is offering a Black Friday special of 30% off a television set. In July, an employee at the store bought that same set with a 15% employee discount and paid $450. How much would the television set be worth on Black Friday? a. $350.54 b. $365.45 C. $368.50 d. $370.59
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Under Operation, select None. Under Figure type, select Triangle. Drag the vertices of AABC to A(7, 5), B(-10, 2), and C(2, -8). Predict the coordinates of the vertices of the image AEFG for the reflections listed below. Then check your answers in the Gizmo. Over the x-axis: E( F( G( Over the y-axis: E( F(
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Analyze the situation beneath and execute validated reactions. Pressing! Give a C# Program to finish the interaction of convergence point in straightforwardly related synopsis. Studies have portrayed the orderlies' force as people's point of view on being major, fit, and solid and considered the force of dynamic, opportunity, and following up

In order for a distribution to be treated as "substantially disproportionate" Question 3 Answer a. You must own less than 50% of the voting stock immediately after the distribution. b. You must own less than 80% of the number of shares you owned before the distribution. c. You must receive a distribution that is different from the distribution of

Which of the following statements are true of the Orthodox Church? (Check all that apply.) Multiple select question. It mainly holds to a centralized model of decision making. It accepts in theory that the bishop of Rome has a "primacy among equals." It rejects the statements of faith of the first Church council of Nicea. It holds that only Church

A survey of 584 citizens found that 330 of them favor a new bill introduced by the city. We want to find 95% confidence for the true proportion of the population who favor the bill. What is the lower limit of the interval? (Round to 3 decimal digits) Use. the 68-95-99.7% rule.

2. (15 pts.) For the double integral X + 1+x+y 2 dydx , a. Sketch the region of integration. b. Set up an equivalent double integral in polar coordinates. c. Evaluate the integral
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Manual Dexterity Differences A researcher wishes to see if there is a difference in the manual dexterity of athletes and that of band members. Two random samples of34are selected from each group and are given a manual dexterity test. The mean of the athletes' test was88,and the mean of the band members' test was86.The population standard deviation

A certain forest covers an area of 2400km2 suppose that each test this area decreases by 6.75%. What will the area be after 12 years?use the calculator provided and round your answer to the nearest square kilometer

A low value of the correlation coefficient r implies that x and y are unrelated. True or false?

True or False: Type II error, , can affect the outcome of a hypothesis test.

A=(1,2,3), B=(5,9,7) C=(9,3,7) a. Verify that B and C lie on the same sphere centered at A. b. Find the great circle distance from B to C accurate to two decimal places. c. Find the coordinates of the point on segment AB that is closest to C accurate to two decimal places.

C Determine if the two triangles are congruent. If they are, state how you know. 8) 10) State all possible names for each figure. 121
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aggins budget worksrett RT 1: MONTHLY INCOME Old Budget Current Budget Person #1: Monthly income from full time job $5,416.67 $5,416.67 Person #2: Monthly income from unemployment insurance $1 400.00 5 TOTALS (Automatically Calculated] $6,816.67 $5,416.67 RT 2: MONTHLY EXPENSE Old Budget Current Budget Mortgage / Taxes / Home Insurance $1,730.00
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Server Downtime After getting outstanding grades in high school and scoring very high on his ACT and SAT tests, Clayton Haney had his choice of colleges but wanted to follow his parents' legacy and enrolled at Northwestern University. Clayton soon learned that there is a big difference between getting high grades in high school and being a good

A researcher would like to compare the effectiveness of two different methods for teaching third-grade mathematics. One group of students is assigned to Dr. Smith's class using method I and another group is assigned to Dr. Jones' class using method II. At the end of the school year, each child is given a standardized mathematics achievement test

Yorkdale Adult Learning Centre MCR 3UV - Mathematics , Grade 11 Functions Quad 3 (Feb 2023 - Apr 2023) Name: - Date: Apr 6, 2023 Test 4 (Chapter 3 ) K/U /11 A /11 T 18 C 15 Instructions: Answer all the questions. Show all work in the space provided. Two communication marks for proper Math form throughout the test. 1. (K/U 1 Mark) Simplify: 2. (K/U
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A recipe states that zucchini is supposed to cost $0.66/lb EP. What is the corresponding AP cost per pound if the yield percent is 95%?

Please show the work. 5. Find the equation of the perpendicular line to the curve x2 + 2xy - 2y + x = 2 at the point (-4, 1)
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Waterfall Heights Is there a significant difference at=0.10in the mean heights in feet of waterfalls in Europe and the ones in Asia? The data are shown. Use the critical value method with tables. Europe: 487 470 900 1246 345 Asia: 614 350 722 320 964 830 Find the critical value(s). Round the answer(s) to three decimal places. If there is more than

A room is kept at a constant temperature of 70F. An object placed in the room cools from 400F to 120F in 50 minutes. Using Newton's cooling law, how long would we estimate that it will take for the object to cool to 80F? Also, draw a sketch of the objects temperature as a function of time with labels. Please show all work and do not round or use

Recently, a university surveyed recent graduates of the English Department for their starting salaries. Four hundred graduates returned the survey. The average salary was $55,000. The population standard deviation is known to be $2,500. What is the 95% confidence interval for the mean salary of all graduates from the English Department?

Consider the function f(x) = x3 + 8x2 - 24x + 470. What is the remainder if f(x) is divided by (x - 12)? Do not include (x - 12) in your answer. Provide your answer below: remainder:Given that the degree of the polynomialflIx) is 8, which of the following most accurately describes the number ofx intercepts thatf'(.t) has? Select the correct answer
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Modern Algebra: Just prove the last one in red circle. Exercise 3. Lef R be a commutative ring and - = aptaxt. - teachE RDXCJ. The derivative of is defined by the equality f = a, +20,et]act...that. 2 h- 1 n Prove that (f+9 )" = f + g , ( fg ) = f'g + fg , and ( 8 m = M m - 1 for m z l
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A research study is conducted to investigate the effects of different types of music (Classical, Rock, and Hip Hop) and lighting conditions (Dim and Bright) on participants' creativity. The study recruits 60 participants and randomly assigns them to six groups based on the combination of music type and lighting conditions. Participants in each
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Question 7 (1 point) El An accounting firm recorded the amount of time (in hours) required to complete the information-gathering phase of audits they conducted. Below is a boxplot of their data. Use it to estimate the percentage of audits in which it took between about 15 hours and about 20 hours to complete the information-gathering phase. Enter
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What is the solution to the equation 6x + 9 = 3x + 18
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Order: trihexyphenidyl elixir 1mg PO tid available: trihexyphenidyl 2mg/5ml what amount should be administered per dose?

In your own words answer to this, One of my favorite meal that contains a bad carbohdrate is Peruvian style fried rice, mostly known as "Chaufa." This meal contain like 90% of rice and 10% of the actual meat you put with it. The large quantity of rice in this meal is what makes rice to be a bad carbohdrate which is a Polysaccharides class. After

fight rectangular pris Identify the following 3-D object. a. cylinder c. right triangular prism b. right rectangular prism d. triangular pyramid
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Harold sells bags of soil to its customers for $7 perbag. It costs Harold $1 in direct labour to retrieve and bag the soil. The pre-printed bag costs Harold $1 from a local plastic supplier. It also costs Harold $1.50 per bag in delivery fees. Other costs include management salaries of $2,500 per month, advertising of $500 per month. How much

[J 1. solve the problem. Determine the sign of the trigonometric values listed below. (i) sin 250 (ii) tan 330 (iii) cos(-40%) 2. Solve the problem. Is the function f(0) = sin 0 + tan 0 even, odd, or neither? U Font Family - AA A = E IE 93. Solve the problem. Wildlife management personnel use predator-prey equations to model the populations of
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34. If sin D - cos E, then / D and ZE must be angles. A.complementary B. supplementary C.adjacent D.) congruent
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geometry things 16. Given the circumference, find the area. Circumference = 40 n Area = ? 17. Find the value of x 110 0 115 100 18. What is the measure of each angle in a regular 20 sided polygon? T4-80
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You work as a teacher, and you have 25 kids and only 20 desks. How many different ways can the kids be seated in the desks when order doesn't matter,

3. Melody Diaper Service is a local company that launders and delivers baby diapers. They need to borrow $6,200 to buy some new washing and drying equipment. Their loan is for 180 days at 8% exact simple interest. Compute the interest that Melody will need to pay for this loan (use a 365-day year)
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Let (a_n) be the sequence defined by a_0 = 0, a_1 = 12, and for n 2, a_{n+1} = 4a_n +5a_{n1}. Find a closed formula for a_n.Suppose we want to tile a 1n board of squares using either square 11 tiles and/or 12 domino tiles. However, suppose also that our square tiles can be either red, green, or blue, and our domino tiles can be either orange or

Evala si las afirmaciones son verdaderas (V) o falsas (F). Justifica las falsas. a) ________ Un experimento de Bernoulli se caracteriza por ser tricotmico. ____________________________________________________________ b) ________ La funcin de probabilidad de un experimente de Bernoulli se puede expresar como:

Lorena es una chica que se ha caracterizado por una conducta irresponsable, a menudo criminal, que inici en la escuela secundaria. La conducta patolgica de la infancia incluye ausentismo escolar, huidas, crueldad, peleas, destructividad, mentiras y robos. Actualmente tiene 23 aos y tiene problemas con sus compaeros de trabajo ya que presta dinero

Starting three months after her grandson Robin's birth, Mrs. Devine made deposits of $95 into a trust fund every three months until Robin was twenty-one years old. The trust fund provides for equal withdrawals at the end of each quarter for four years, beginning three months after the last deposit. If interest is 6.64% compounded quarterly, how
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An important part of research design is identifying the right sampling frame. Imagine you are conducting research on politics and sports. You want to understand why some athletes have decided to take a knee while the national anthem plays at major sporting events. Describe the sampling frame you would use to test a hypothesis that asserted a

Code for R Studio: the following algorithm for each of these 1000 pairs: Let the output of this algorithm be denoted by Y . Step 1: Generate random values jQuery22401046349511440472_1586794200440?? = ????(????) and ???? = ????(????) Step 2: Calculate ?? = (??????)??. If ???? ??, then generate a random number ??. If ?? > ??. ?? ?? accept ????as

. Write and simplify an expression that represents the ratio of the area of ?ABC to the area of ?DEF. 5. Write and simplify an expression that represents the ratio of the area of AABC to the area of ADEF. (3 marks) A 2x + 4 D B C 6x - 9 A 4x + 8 E F 2x - 3
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A population has a mean of 200 and a standard deviation of 50. Suppose a simple random sample of size 100 is selected and is used to estimate u . 1. What is the probability that the sample mean will be within +/- 5 of the population mean (to 4 decimals)? z(195) = (195-200)/50 = -0.1 z(205) = (205-200)/50 = +0.1 P(195 < x < 205) = p(-0.1 < z < 0.1)

Question 23 (5 marks) Let f(2) = 2x + 3iy for all = = c + ry, where r, y are real numbers. Show that f has no anti-derivative on any open disk. That is, if Da. r] := {= e C : |z - a) 0, show that there is no function h for which h'(2) = f(2) for all Z E Dar
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Please solve..Thank u Question 6 In order to interpret a speaker's ideas, you must know O The speaker's special style O The language of commentary The most important things in his comments The irrelevant extra information
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The instructions reads: for the following exercises, solve to four decimal places using Newton's method and a computer or calculator. Choose any initial guess x^0 that is not the exact root.I need help with #422 and #428. Please explain what is happening. Thank you ! 422. x2- 10= 0 = (2)1 10 mununited Yoom 423. x4 - 100 = 0 424. x2- x = 0 function
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If a significant result is obtained, how might you interpret the findings more thoroughly? Question 20 options: a) Refer to percentage totals in the contingency table. b) Refer back to the raw data. c) Refer to Fisher's exact test statistic. d) Refer to the continuity correction value

Midsegments of triangles Q5 is a midsegment of APRT. If PT = u + 11 and QS = u - 29, what is PT? T 5 P PT =
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40. Given the function f(x) = 8 (x - 10)2 , what is it's vertex? b. (-10, 0) c. (10, 0) d. (8, 10) a. (8, - 10) 41. Which of the following equation can solve using extracting square root? I. 5x2 - 4X = 10 II. 4x2 - 60 = 0 III. X2 = 36 a. I and II b. II and III c. I, II and III d. II and III 42. Blake says that the solutions of the equation x2 + 3x
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Dr. Patton is a professor of English. Recently she counted the number of misspelled works in a group of student essays. She noted the distribution of misspelled words per essay followed the normal distribution with a standard deviation of 2.44 per report. For her Tuesday class of 50 students, the mean number of misspelled words per essay was 6.05.

The expected value of a Bernoulli random variable X is (i.e. E[X] =?) options: p 1-p both of above none

A bookstore has determined that weekly sales of Newsweek have a mound-shaped distribution, with a mean of 85 and a standard deviation of six. (If you need, draw a curve to help you visualize the problems.) (A) For what percentage of the time can we expect weekly sales to be up to one standard deviation from the mean in either direction? Up to

can u help with this question QUESTION 19 The next seven questions Involve a large bowl is full of candles in four different colours: red, green, yellow, and black, into which a statistician has put her hand bowl and pulled out five candies.QUESTION 22 Suppose that the bowl contains all the colours in equal proportions. Then the probability of
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Determine the equation of the parabola whose graph is given below. Write your answer in General Form. . . . L . HNWAUO 2. . . - s . 6 -7 -6 -5 -4 -3 -2 1 2 5 7 -... - L . . .\fDetermine the y-intercept of the parabola whose graph is given below. . . 4 . . = 6 - . . . . . - . - . . ; . . . - . . J . . . L . . .'. . . . . . . . .. - . '- . . . . . ;
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Calculate the number of different ten letter "words" that can be formed using all ten letters in the following word: SUBSTITUTE?

1. In a recent utilization survey of an e-learning platform of a post-secondary institution, a random sample of 64 students is selected (out a of a population of 5000 students). Their weekly hours of using this platform to perform learning activities are collected.After analyzing the data, a researcher states that he is 95% confident that the mean

Is there a significant difference between the mean Horsepower for cars that weigh less than 1.5 tons compared to cars that weigh more that 1.5 tons, that also have greater than 500 miles Highway Distance on a tank of fuel? (Create a new column of data for "Highway Distance" which equals Highway MPG x Fuel tank size, and use this new data set to

A homeowner is going to build the raised bed garden shown in the plan,against an existing garden wall. The homeowner will build the new wall by stacking concrete blocks without mortar,and then fill in the walled space with garden soil. The concrete blocks have dimensions 8 inches x 16 inches. The wall will be capped by capstones that have
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Which of the following sampling distributions (red or blue) has the larger standard deviation? 10 20 30 40 SO 60 70 80 90 100
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This diagram shows a circle with the center point labeled. Use properties of geometry (facts, theorems, definitions) to prove that the triangle in the diagram is an isosceles triangle
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Give two examples of Multiplying Radicals, make sure to explain your steps.

5. A simple random sample of 25 movies is taken from a movie website and the average lengths of them are found to be 150 min. The population standard deviation is known to be 10 min. a. Test the hypothesis that the population mean length is greater than 145 min using the 0.05 level of significance. b. Test the hypothesis that the population mean

(7 points) A researcher for Agri-Giant Corporation wants to study how many pounds of tomatoes are typically picked by a manual labourer in an 8-hour day. The Corporation will consider using picking machines if the labourers cannot pick at least 240 pounds, on average. The researcher randomly sampled 100 farm labourers, found out how many pounds of

pls help thanks A population has an average of 50 and a standard deviation of 10. If a random sample of size 64 is drawn from this population. what is the probability that the sample mean is: a. Greater than 52? b. Less than 51? c. Less than 4?? d. Between 48.5 and 52.4? e. Between 50.6 and 51.3
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How is the study of Geometry similar to Measurements? How is it different?

True or False? The following non-example is appropriate given the definiton. Definition: Kicking is defined as using one's foot to make contact with another person from a distance of at least six inches with enough force to produce an audible sound or leave a visible mark Non-example: Making contact between one's foot and someone who walks

How did you make sure that the specs matched the plans, and that any instructions you would need to follow or give to others would be consistent

18. [-/0.57 Points] DETAILS LARMPMT1 2.3.024. 0/100 Submissions Used MY NOTES ASK YOUR TEACHER The octal numeral system is a base-eight positional system that uses the symbols 0, 1, 2, 3, 4, 5, 6, and 7. Write each base-eight number as a base-ten number. (Hint: Similar to this example.) (a) 13 (b) 125 Need Help? Read It Submit
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All changes saved 1. Trevor recorded the amount of material collected for recycling at his school for 5 weeks. Trevor calculated a line of best fit for the data to model the amount collected, y, as a function of time, x. He found the correlation coefficient to be between -0.7 and -1. Which statement BEST describes the correlation among the data?
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The Continental Bank advertises capital savings at 5.5% compounded annually while TD Canada Trust offers premium savings at 5.25% compounded monthly. Suppose you have $1500 to invest for two years. (a) Which deposit will earn more interest? (b) What is the difference in the amount of interest? (a) The savings account will earn more interest. (b)
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Suppose you have an experiment where you flip a coin three times.You then count the number of heads. State the random variable. X= Number of heads Write the probability distribution for the number of heads. {HHH, HHT, HTH, HTT, THH, THT, TTH, TTT} Number of heads 0123 Probability 1/83/83/81/8 Find the mean number of heads. Find the variance for

thank u! need it in 5-10 minutes 20 1 point Find the point P that is 2/5 of the way from A to B on the directed line segment AB if A (-8, -2) and B (6, 19). O (-7.2, - 8.8) O (- 2.4, 6.4) O (7.2, 8.8) O (2.4, - 6.4) Previous
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Write the domain of each of the functions in interval notation x2 + 5 c. h ( x) = d. m( x) =7x2 -20 Vx - 10
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I. Use iteration to guess an explicit formula for: ek= 7 ek-1 + 4, for all integers k 2 , where e1= 2. II. Then use mathematical induction with basis proof, hypothesis and step to verify.

25. If X has a binomial distribution, X is counting the number of 'successes' found in the sample of size n. We know the variance is np(1-p). a. Choose a value of n, and graph the variance function f(p) = np(l-p) where the values of p go from 0 to 1. It should look like a parabola opening downwards. For which value(s) of p is the variance of X the
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Tough questions! Be careful! Only correct answers are required of you! 1.Twenty points are found in a plane, determine supposing there 5 points are colinear the number of triangles that can be formed. 2.The number n represents the number of circular permutations of different things all taken at a time. True or false? 3.Assuming is the cube root of

Question The movement of the progress bar may be uneven because questions can be worth more or less (including zero) depending on your answer. Identify a set of parallel and a set of perpendicular lines in this image. B E H F G O AD | EH , EH I BF O AD | | EH , BF I CG O BF | | CG , AD L EH O BF | | CG , BF L CG
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Finish the table IOW . CUPS OF CUPS OF CUPS OF LEMONADE MIX WATER LEMONADE 2 5 4 10 42 35 50
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Negative Binomial distribution Suppose a student has a 50% chance of scoring a perfect score on an exam* with randomly selected questions. The student has to repeatedly take the exam* until he/she achieves three perfect scores. A) What is the probability that the student will have the three perfect scores with at most 4 failures? Poisson

6. Did arrest productivity change before and after the program? Test this idea using the 6 steps for hypothesis testing
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Question 1 Upon graduation, with the support of your parents, you have opened an eatery that specialized in selling sandwiches in a shopping mall. Your eatery only sells three variety of sandwiches (X. Y and Z). Each product earns a profit of $17, $13 and $14 for X. Y and Z. respectively. You assured your parents that you will strive to earn as
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\f3. Let's say a family of functions has the zeroes + 4 and + v5 (4 marks) a) What would be the equation of the family of quartic functions, in simplified form? bj What would be the equation of the function if it passes through point (2,4)
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For one population mean, write a problem (ex. we are investigating the students' grades from STAT 201). Then estimate the population mean (you can take any value you like. Not necessary to obtain the data and make calculations) and interpret it (I want you to interpret this value in an appropriate way-in a nice sentence such that it will be

What would be the solution for this The sound source of a ship's sonar system operates at a frequency of 22 kHz. The speed of sound in water (assumed to be at a uniform temperature of 20C) is 1482 m/s. a) Calculate the length of the waves emitted by the source. b) Calculate the frequency difference between the directly radiated and reflected waves

Discussion Board: Indefinite Integral Involving Substitution At 1. Please write an indefinite integral that requires substitution to integrate
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3. Under Operation, select None. Under Figure type, select Triangle. Drag the vertices of AABC to A(7, 5), B(-10, 2), and C(2, -8). Predict the coordinates of the vertices of the image AEFG for the reflections listed below. Then check your answers in the Gizmo. Over the x-axis: E( G( Over the y-axis: E( FC G(
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0 Find the rank of B WOW ww
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solve this plz A RTW is an equilateral triangle. Find the value of x and the length of TW using the information given below. RW = 10x - 6 TW =7x + 3 RT = 9x - 3
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Water Level in Spa Tub 40 c 35 B D Height (cm) 10 15 20 25 30 A in 10 15 20 25 30 35 40 45 Time (minutes) This graph tracks the level of water in a spa tub. 8. a. Find the slope of section A. b. Find the slope of section B
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A function f and a point P are given. Let 6 correspond to the direction of the directional derivative. Complete parts (a) through (e). f(xy) =10 - 3x - 4y%, P(4,3) a. Find the gradient and evaluate it at P. The gradientat Pis ( =24, -24). b. Find the angles 0 (with respect to the positive x-axis) associated with the directions of maximum increase,
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