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Mathematics Questions and Answers March 07, 2021

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please help Problem 5. (2 points) Determine a function g and an interval [a, b] on which fixed-point iteration will converge to a positive solution of 31 - e =0. Find the solution to within 10-3. Note: Stop the algorithm when IPN - PN-1|
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The length of timber cuts are normally distributed with a mean of 95 inches and a standard deviation of 0.52 inches. In a random sample of 30 boards, what is the probability that the mean of the sample will be between 94.8 inches and 95.8 inches? A. 0.412 B. 0.098 C. 0.588 D. 0.982

The above figure shows a 3DOF manipulator in its initial configuration with 3 revolute joints. Assume L1 > L2. (a) Describe the reachable workspace of the robot. (b) Use Paden-Kahan subproblems to solve the inverse kinematics problem for this manipulator. You do not need to write out the details of how you would find the exact solution for each

Consider the following dependent random samples Observations123456 x-values8.17.68.38.47.97.0 y-values8.48.48.58.98.17.6 a) Determine the difference between each set of points, xi - yi b) Do hypothesis testing to see if d < 0 at the = .025.

Sample z-score: - 2.56 For an alpha level of 0.05 , the z-score used as critical regions would be z= +/- 1.96. An alpha level of 0.01 would have cut off at z= +/-2.58 An alpha level of .001 would have a critical region at z = +/- 3.29. Does the sample z-score exceed the cutoff for p < .05? Based on your answer, what conclusion do you reach about

in the Descriptive Analytics slides, and in particular to the table of critical values for Pearson's r. Given the correlation coefficient in G3, are these two variables significantly correlated at the 0.01 alpha level? What about the 0.005 alpha level

Determine the percent of the population of both sexes that had between 55 minutes and 1 hour of daily physical activity in the fall of 2020. Round your answer to the nearest percent. Sketch a normal curve that represents this scenario \f\f
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Regression/correlation differs from ANOVA and t-tests in what way?

(0, 2) (2. 2) (3. 0) O (4, -2) (6. -2) Graph of f 79. The graph of a function f. consisting of three line segments, is shown above. The function / is defined on the closed interval [0. 6]. Let g(x) = [ f() di. What is the maximum value of g(x) for 0 S x 5 6 ? (A) 0 (B) 1 (C) 5 (D) 10
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Working hours in four manufacturing plants of the same company seem to differ. Five workers in each plant were randomly selected and asked about their working hours per week. The mean weekly working hours for each of the plants are 49.06, 42.57, 38.25 and 37.91, respectively. An ANOVA F-test revealed that the mean weekly working hours differed
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Use the vertical line test to determine if y is O a function of x in the graph. Choose the correct answer below. y is a function of x y is not a function of x
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This time, our immune system is the best defense. With this, a Melagail wishes to mix two types of foods in such a way that vitamin contents of the mixture contain at least 8 units of vitamin A and 10 units of vitamin C. Food A contains 2 units/kg of vitamin A and 1 unit/kg of vitamin C. Food B contains 1 unit/kg of vitamin A and 2 units/kg of
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please submit with handwritten answer. otherwise please don't try . If W is a subspace of an inner product space V, and if {w1, W2, " . ., we} is an orthonormal basis of W, then given any r E Vdefine: k projw(x) = >(x, w;)wj, j=1 the orthogonal projection of x onto W. Let Tw : V - W be the linear transformation Tw(x) = projw (x). This Tw is called
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Problem a-D need assistance Upda 11:59:00 PM HW Chapter 4 : Dynamics: Forces and Newton's Laws Begin Date: 9/20/2021 12:01:00 AM -- Due Date: 10/8/2021 11:59:00 PM End Date: 12/31/2021 (10%) Problem 8: Displayed to the right are two carts connected by a cord that passes over a small frictionless pulley. Each cart rolls freely with negligible
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PROBLEM 1. Mr. Javier designed an arch made of bent iron for the top of a school's main entrance. The 24 segments between the two concentric semicircles are each 1 meter long. Suppose the diameter of the inner semicircle is 6 meters. What is the total length of the bent iron used to make this arch? PROBLEM 2. A bicycle chain fits tightly around

10 1 point Click on the scatterplot that shows a moderately strong positive correlation (i.e. r = 0.75) 4 O C
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Use a calculator to approximate e 76 e -6 ~ (Type an integer or decimal rounded to four decimal places as needed.)
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Solve for zz. 24, plus, start fraction, z, divided by, 10, end fraction, equals, 31 24+ 10 z = 31

You've collected the following data about the amount of chocolate people eat and how happy these people are. Amount of chocolate bars a week:2,4.5,1.5,2,3. Grades for happiness:7,3,7,8,6. (Note, the numbers are in the right order so person one eats 2 chocolate bars and scores her happiness with a 7.) Compute the Pearson's r. Round-off your answer

5. Known: Qd = 80 - 2P dan Qs = -10 + P Question: a. What is the equilibrium value of P and Q? b. Draw it on a graph! c. Find consumer surplus and producer surplus

A pathologist weighs 5 tumors and obtains the following weights: 2.2 hg, 520 dg, 34 dag, 420 cg, and 4 mg. a. What is the average weight of the 5 tumors in milligrams

2. Simplify. a ) (a 3) 2 b) " C ) ( 3 x 2 ) 3 d ) * ( 12) ( 14 ) e ) Type here to search O
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Update the responsibilities to indicate which employee is responsible for each of the steps in the procedure
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A line has a slope of2/7 (a) What is the slope of a line that is parallel to the given line? (b) What is the slope of a line that is perpendicular to the given line?

A zoologist identifies tigers, lions and elephant she observed in a wildlife sanctuary. This is an example of _________ data type and __________ measurement scale. Question 38 options: a) categorical, ordinal b) categorical, ordinal c) numerical discrete, ordinal d) numerical continuous, ratio e) categorical, nominal

How much force does it take to bring a 1,200 N car from rest to a velocity of 34 m/s in 7 seconds?

Choose the type of test from the following list: A. Matched-pair t-test B. Two-sample F test for variances C. Regression D. One sample t-test for the mean E. One-sample Z-test for proportion F. One-way Chi-square test G. Two-sample t-test for independent samples A researcher is interested in testing whether there is a difference in the proportion

hello can you help me solve this please ? Given the following pairs of z -values, find the area under the normal curve between each pair of z -values. Refer to the table inAppendix B.1. (Round the final answers to 4 decimal places.) a. z = -1.95 and z = 0.75 = b. z = -1.05 and z = -0.75 = c. z = 1.77 and z = 2.98 = d. z = -2.43 and z = 1.43 =

K = {a + by2, a, be Q; is a field under the operations of addition and multiplication. Check if K satisfies the Axiom of Completeness
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Answer number 14 14. [-/0.4 Points] DETAILS LARCOLALG11 2.5.066. Write an equation for the transformation of the parent function. y 10 8 6 -4 -2 2 8 10 g(x) = Submit
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Don't understand MS LI Using Unit Rate to Solve Problems restaurant has 30 tables in its dining room. It takes a waiter 10 minutes to set 8 tables. At this rate, how long will it take the waiter to set all the tables in the dining room? ) First find how long it will take the waiter to set 1 table. () Minutes Tables 10 8 1 4
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Two sides of a triangle are 11 & 7. What is the range of possible side lengths | point for the third side? 3>X> 21 4>X> 18 3> > > 19
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he larger the buffer between the two servers in a tandem queue, the _blank_ of the process. Multiple choice question. higher the capacity more necessary the variability greater the variability lower the capacity

Buy a second oven that can bake one cake (plus existing oven cooking 1 cake). Assume that the loading/setting timer activity is done simultaneously for the two pans/cakes

A survey of 100 retailers revealed that the mean after-tax profit was $80 000. Assuming that the population standard deviation is $15 000, determine the 95% confidence interval estimate of the mean after-tax profit for all retailers. a.[75 330, 81 250]. b.[77 060, 82 940]. c.[77 060, 81 250]. d.[78 070, 83 840].

(a) A researcher selects 20 people at random and records which of three annual-income groups; $0-$20,000, $20,001-$50,000 and more than $50,000 they belong to. Is this situation binomial? Explain in a sentence or two. (1 mark) (b) A rare disease is reported on average in 2,000 sheep in New Zealand each year. Explain briefly why Poisson

please help me solve these The graphs of f(x) and g(x) are given above. Use them to evaluate each quantity below. Write DNE if the limit or value does not exist (or if it's infinity). 1. lim [f(g(x))] x-1 2. lim [f(x)/g(x)] x-1 3. f(3)/g(3) 4. lim [f(x) + g(x)] x-1 5. lim [f(x) + g(x)] 6. lim [f(x)g(x)] x-3 7. lim [f(g(x))] x-+3 8. lim [f(x) +
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Determine the perimeter and area of a rectangle with lengh 12.75 feet and width 42.1 feet. Round your answers to the nearest hundredth as needed.

Which operands will not give an overflow if added together and could produce an out of range. Adding a positive value and a negative value Adding a positive value and a positive value Adding a negative value and a negative value Adding will never create an overflow

Select the true statement. Group of answer choices The graph K5 has a planar embedding. C20 is a planar graph. K2,3 is not planar. Every embedding of a planar graph has no edge crossings

Which of the following are the vertices of a triangle bounded by the given system of inequalities given below? 411' _1.* 3 8 3y > 1 '2 4233: Q (3,3),(e,4),(4,5) O (2.4).(8.4).(2.6) Q (3, 2),(5, e),(6, 2) O (3.4).(4.8).(4.4) Which of the following is the set of * 1 pain constraints of the linear programing assumption? P = 1200)? + 16003) :33 A 3):
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This used car is in perfect condition, but the price is still too ______ "Don't let the tea _________ for more than five minutes," the head waiter commented. A) excessive B) extreme C) Steep D) brew

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The table below presents the average annual income of 2005 for different genders and ethnic groups in a developing region.Creates an array with the data and applies array operations to create array that represents a 12% increase in average annual income from 2005. Average annual income of 2005 Men Women white 32,179 18,669 black 22,653 17,631

In 2013, the avNow suppose the results of carrying out the hypothesis test lead to rejection of the null hypothesis, = 21.4 years, that is, to the conclusion > 21.4 years. Classify that conclusion by error type or as a correct decision if in fact this year's mean age, , of all first-time mothers d) is 21.4 years. e) is greater than 21.4 years.

Assume the data set described is normally distributed with the given mean and standard deviation, and with n total values. Find the approximate number of data values that will fall in the given range. Mean=370 Standard deviation=12 N=550 Range: 334 to 406 In this case, we expect about what number of data values to fall between 334 and 406?

1. A. When you construct a confidence interval for the difference between two proportions, what do you use as an unbiased estimate of the difference between the two proportions? (1 point) B. What's the formula for the standard error of the difference between the estimates of the population proportions ( SE, -;, ) used in a confidence interval for
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I need to understand how to solve this problem with the best detailed answer please. Related Rates with the graph The Lantern Problem: A 60 foot rope is looped through a pulley 36 feet above the ground. A lantern is attached to one end. The other end is held by a man 6 feet tall. The man starts walking away from the point on the ground directly
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What are some (real world) examples of a positive correlation where it would be inappropriate to conclude causation with the data in this scatter plot? Have to come up with a mathematical scenario that represents the data featured in this scatter plot with a correlation but no causation, but I am unsure how to think of something. Thank you! \f
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What is the equation of the line of symmetry for the parabola represented by the equation y = -2(x - 3) + 47
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An observatory has the shape of a right circular cylinder surmounted by a hemisphere. \f
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Round to the nearest thousandths as needed Homework: Chapter 2 Homework Part 1 of 2 Score: 0 of 1 point Convert the following fractions to decimal form. a. = a. b. (Round to the nearest thousandth as needed.) box and then click Check
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1. Solve the initial value problem dy + y sint = 0 dt subject to a. y(0) = 1/2 a. y(2) = 1/2 2. Solve the initial value problem dt dy + 3y = 10;y(1) = 2, assuming t > 0 3. Find the general solution of the differential equation on the restricted domain. dy t + y = vt assuming t > 0 dt
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vLocation Width Length Area Price Area that is to Code for item selected (from (in feet) (in feet) (in ft?) (in dollars) Location Length Width Area Area of be covered INSTRUCTIONS) (in feet) (in feet) (in ft) Window/Door/Skylight with flooring from TABLE 1 or paint HDD \\ 3 6-67 20.01 F+ 2 119 (in ft)) HDWI Wall 1 4- 73 ft 14 . 90 #+2 231.39 has
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n your RStudio interface, open a new R Script window. (Check Lesson 1.2.4 for instructions on running R scripts.) Define an R function named fv() that calculates the future value of an investment with the following three arguments: pmt: the amount of investment in each period (required) r: the interest rate per period (required) n: the number of

Virgin Blue airline commenced its operation in Australia as a domestic carrier in August 2000. Starting with a 'tin shed' terminal facility, Virgin Blue promoted an image as a low-cost airline with a high level of customer care. The two competitors Qantas and Ansett, were long established in Australia with convenient and more comfortable terminal

describe and discuss the classroom use of virtual place value mat tool ? what are the advantages and disadvantages of this virtual too l?

Discuss about the differences between Correlation and Experimental research.

e proportion of a population with a characteristic of interest isp=.82 . Find the mean and standard deviation of the sample proportionP^ obtained from random samples of size 900. Suppose that 29% of all residents of a community favor annexation by a nearby municipality. Find the probability that in a random sample of 50 residents, at least 35%

Please help for study 3. (24 Points) Let To
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A wire 32 cm long is cut into two pieces. The longer piece is 4 cm longer than the shorter piece. Find the length of the shorter piece of wire

About 10% of the population has a particular genetic mutation. 700 people are randomly selected. Find the standard deviation for the number of people with the genetic mutation in such groups of 700.

Question Read the data contained in thequestion01.datDownload question01.datfile directly from the data file into a temporary SAS data set called question01 . The data in each record are in order: golf course ( name ), number of holes ( holes ), par ( par ), total yardage ( yardage ), and greens fees ( fees ). Print the resulting SAS data set

A 2014 study by the reputable Gallup organization estimates that 34% of U.S. adults are worried about money. We want to know if the proportion is greater this year. We select a random sample of 100 U.S. adults this year and find that 40% are worried about money. After carrying out the hypothesis test for : compared to : , we obtain a Pvalue of

QUESTION 1: Compare the coefcients of determination {rsquared values] from the three linear regressions: simple linear regression from Module 3 Case, multivariate regression from Module 4 Case, and the second multivariate regression with the logged values from Module 4 Case. Which model had the \"best tit?\"l Rsquared from Module 3 Simple Linear
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A ALEKS - Oletha Payne - Learn X C @ https://www-awn.aleks.com/alekscgi/>/Islexe/10_u-igNsikasNW/8DBA9PWRomYoTjH3ZiOLSh/NiN1alBuBCXyUizigEuMIGSqpRbohmXZ/hb4Coz. @ to O LINEAR EQUATIONS AND INEQUALITIES Solving a value mixture problem using a linear equation Ole Ryan's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A
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Mark all of the following that are velocities. Select all that apply. Group of answer choices The child rode her skateboard 4 meters per second toward home. The bug crawled 5 centimeters per second to the right The ball fell at a rate of 10 m/s2. 15 miles per hour east

Eagle Office Supply buys paperclips for $122.40 per case of 144 boxes. Find the selling price per box if the retailer maintains a markup of 28% on the selling price

stat 211 Module 8 - Keeping It Real Discussion: What's a P-Value Anyway

How can a rational function switch between positive and negative intervals without an x-intercept? Why is this an important factor to think about when solving an inequality? How would the intervals of the solution set differ between a polynomial inequality and a rational inequality?

Which is the predictor variable ( X ) and which is the criterion variable ( Y ) for each of the following examples? A researcher tests whether the size of an audience can predict the number of mistakes a student makes during a classroom presentation. A military officer tests whether the duration of an overseas tour can predict the morale among

You select a random sample of 160 people at a medical convention attended by 1,937 people. Within yoursample, you find that 57 people have traveled from abroad. Based on this samplestatistic, estimate how many people at the convention traveled from abroad. Would you be more confident of your estimate if you sampled 300people? The number of people

Consider a circular orbit around the Earth at altitude 2660.6 km. If the orbit has an inclination of 0, its specific angular momentum vector points directly North and has a magnitude of 60000 km^2/s; that is, the angular momentum vector has (I, J, K) components of (0, 0, 60000). Calculate the I, J, K components of the specific angular momentum

Three times a number, increased by one, is between negative eight and thirteen. Find all the numbers. 1 All the numbers that makes the statement true are given by ] (Type an inequality or a compound inequality using x as the tkariable.)
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Question 1 Correct Marl: 1.00 out of 'I .00- Allocation of Package Purchase Price and Depreciation Methods To expand its business. Small Company paid $?60,000 for most of the property. plant, and equipment of a small trucking company that was going out of business. Before agreeing to the price. Small hired a consultant for $5.000 to appraise the
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Research chapter 1-3 Challenges Encountered by Students amidst Pandemic Theoretical framework Related literature review

A manufacturer of computer chips claims that less than 10% of its products are defective. When 1,000 chips were drawn from a large production, 7.5% were found to be defective. a. What is the population of interest? b. What is the sample? c. What is the parameter? d. What is the statistic? e. Does the value 10% refer to the parameter or to the

Explain why and how a business researcher uses factor analysis

Machine Learning techniques are powerful, but alone they do not create business value.Why is this the case? They provide a prediction, but you need to use the prediction to take action and make a business choice. They provide a prediction, but you need to use that prediction consistently over time for it to create business value. They provide an

Solve sin (a) = -0.3 on 0
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A psychologist has been studying delayed recall of certain words using a new memory measure.On this measure, she has found that the distribution follows a normal curve.The memory test has a mean of 15 words recalled and a standard deviation of 2.5.Using a normal curve table, what score on the memory measure would a person need to have to be in the

Examine the figure below. A figure is shown. Lines A C and B D intersect at point O. Ray O E is in the interior of angle A O D. Describe the relationship between AOB and COD . Are their measures equal? Select the words from the drop-down lists to complete the sentence

I need help with questions 17,18,19,20,21,22,23,24,25,26,27,28 (Note: please draw a picture for each questions to support the following answers). Which of these models could be used to find the area of a rectangle with a length of 28 12 units and a width of 7 units? A 10 6 6 B 6 6 C 8 3 8 8 D 10 2 20 Practice Test | Session 2\f17 Which model has a
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Which of the following statements is not correct? The graph of will never touch the x-axis. Where the value of the original function is -1, the value of the reciprocal function is -1. The absolute value of a function turns negative x-values into positive x-values. ) The graph of y = f(x) and the graph of y = | fx)| have the same x-intercepts

can you show me How to do both of these sorry the pictures weren't coming out before. 1.suppose that f:R ?>R satisfies f(0)=0 and f'(x)=1 for every x, show that for every x, f(x)=x 2) give an example of an open interval I and a continuous function such that f(1)=[0, 1) 6. Give an example of an open interval I and a continuous function f : I - R
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Which of the following are true of suburban dailies? Multiple select question. Since 1980s the number of suburban dailies has greatly increased. Suburban dailies have proven to be unsuccessful when there is a nearby large metropolitan paper. Suburban dailies are paid for by subscription so that they need not rely on advertising. One suburban

Hello tutors, please help me with this please. I really need this please help me each picture a Using the pictures below, make conditional statements in "if - then form". 2 9 T Merry Christmas
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What is the author's perspective? How does her perspective limit her argument
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Consider the function h(x,y,z) = ram\"'3' + sin(2:rz). (a) (i) Calculate the gradient of h. (4 marks} (ii) Hence, determine the directional derivative of h at the point (2, 5,1) in the direction 3i - I + k. (4 marks} (b) Now, consider the level surface 310nm) = 1- (i) 1'v'erify that (2, 5, 1) is a point on the level surface. (I mark} (ii) Comment
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Question 2.4 You are an investment analyst and you were tasked to investigate the potential of two mobile phone companies. Sonorola and Motorola. You have forecast three alternatives performance scenarios for these companies: aggressive (A) with probability 40% basic (B) with probability 15% and cautious (C) with probability 45% The net returns of
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elect all that apply: a time series must be stationary if: 1 point There exists a linear trend line The graph of the time series is a horizontal line The statistical properties of the time series never change over time The log return of the time series is stationary

For each I need to know What is the right kind of statistical test for this experiment? possible answers t test of means: paired t test: linear regression: ANOVA (analysis of variance, described in Section 3): chi squared contingency (described in Section 2): chi squared goodness of fit (described in Section 1): t test of means: paired t test:
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Find a power series representation for the following function and determine the radius of convergence. f(x)= x/(1+4x)^2

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What is the answer of (b) with steps? 3. Which of the following sets of vectors are bases for R? (a) {(3, 1), (2, 1) } (b) { (1, -3), (-2, 6) }
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DATE PER. USING SSS, SAS, & ASA WITH CONGRUENT TRIANGLES e congruent parts shown by the marks in each drawing. 6 10 POINTS EACH 7. Z X R 8 nt? AS, SSS, ASA or none) can be used to show that each pair of
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The country of Freedonia has seven members in its royal family, four women and three men. The reigning monarch is King Albert and his wife is Queen Diana. The rest of the women of the royal family are Princesses Ellen, Fiona, and Gertrud. The rest of the men of the royal family are Prince Bertrand and Prince Charles. The chief occupation of the

A building has been razed to make parking spaces and the basement area must be filled with earth and solid fill. The hole is 35 feet wide by 79 feet long and is 6 feet deep. What is the approximate amount of cubic yards of fill required

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