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Mathematics Questions and Answers September 20, 2021

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Use software to conduct the analysis of variance test. Use a significance level of 0.05 to test the null hypothesis. The data below represent the weight losses for people on three different exercise programs. Do the data indicate that there is a difference in mean weight loss for the three exerciseprograms? Exercise A 2.5 8.8 7.3 9.8 5.1 ExerciseB

At what age should a child name some colors and numbers and start to understand time? Group of answer choices 4 years 6 years 8 years 2 years

8. Please briey explain why Naive Bayes classifier is considered as a naive implementation of the Bayes' Theorem? [10 points]
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CLIFF Sarah stands on the ground and sights the top of a steep cliff at a 60 angle of elevation. She then steps back 50 meters and sights the top of the cliff at a 30 angle. If Sarah is 1.8 meterstall, how tall is the cliff to the nearest meter

7. Calculate the out-of-sample prediction accuracy rate for 20 random test samples (sample size=1000). Display the 20 accuracy rates and their mean below. [10 points]
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Solving an autonomous system: find an (integral) curve x(t) = (x1(t), , xn(t)) everywhere tangent to the vector field F

Find the greatest common factor and least common multiple of A, B, and C. Write your answers as a product of powers of primes in increasing order. A = 54. 7 . 115 B = 2 . 59 . 11 . 177 C = 3 . 5 . 13 . 17 . 194 GCF(A, B,C) = LCM(A, B,C) = Question Help: Message instructor
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Graph the function by using the key points. List all asymptotes and key points . 2) y = tan (x - T() X 3TC STC Na + 2 TC 3 TC - TO 2 2 2 -3
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WS 22: Interval Construction II Name A. Notate each missing pitch above the given pitch

26. According to LIMRA, 77% of husband-wife families with kids under 18 years old have life insurance. A random sample of six husband-wife families was selected. What is the probability that ve or more families have life insurance? A) 0.6621 B) 0.3667 C) 0.5820 D) 0.4025
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What's a box plot? How does a box plot display the five-number summary of a data set? Which "pieces" of the box plot go with which parts of the five-number summary? What's a two-way frequency table? What sort of information does a two-way frequency provide? Hand written please easy for me to understand

For each pair (i, j) with 1 i, j 7, find limn P (n) i,j when the limit exists. Otherwise, state it does not exist and explain why. (Hint: Remember that exists as long as a Markov chain is irreducible and positive recurrent. However, the limiting probability exists when a Markov chain is irreducible, positive recurrent, and aperiodic.)

please answer everything (no need explanation) \f\f
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what is the formula for The total amount of peak and off-peak airtime available

If one focus of an hyperbola is located at the point (minus11,0) and one vertex is located at the point (5,0), then which of the following statements is true if the hyperbola is centered at the point (minus1,0)? Question content area bottom Part 1 Choose the correct statement below. A. The slope of one of the asymptotes must be negative

Suppose the prevalence (p=.32) of type II diabetes follows a binomial distribution in a community. Researchers want to sample 15 households from the community for a new study investigating ethnographic ties to the chronic illness. What is the cumulative probability of selecting 8 or more diabetics in the sample from the community? What is the

2. 13 Given that sina = - where a is in quadrant II, determine the exact value of sin 20 3. Given that cosa = = v = where a is in quadrant I, and sin B = = where & is in quadrant II, determine the exact value of cos(a - p)
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Consider the Function F, which is one on one with values FC-11) =5 and F(-8) = -1 Solve for F-'(5) and F-'(-1 )
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In a recent (3/5/18 -3/12/18) Gallup Poll, a random sample of 497 U.S. adults teaching kindergarten through 12th grade were sampled using random digit dialing. Out of these, 73% said they oppose the idea of teachers and staff carrying guns in schools. 7. What is the population of interest for this survey? 8. Define both the parameter of interest

The term probable is used frequently in everyday conversations. It is probable that it will rain or it is probable that a specific team will win. After studying this unit, explain how the significance of the word probable has changed for you. Be specific and cite what you have learned from this unit.

Here, a1=2,b1=4,c1=21=2,1=4,1=2 a2=2,b2=3,c2=52=2,2=3,2=5 Intersection point can be calculated using the point of intersectionformula,

The sales representative for a manufacturer of a new product claims that the product will increase output per machine by at least 29 units per hour. A line manager installs the product on 15 of the machines, and finds that the average increase was only 26 with a standard deviation of 6.2. What are the appropriate null and alternative hypotheses?

a C b Fill in the function for the table and the domain. Use Slope-Intercept form (y=mx+b) for the Function and {min
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What is the actual percentage of candies that weigh between 0.7 and 0.98 ?gram, inclusive. ? \f
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practice multiple choice questions for UNIT 6: CORPORATE ACTIONS - JURISDICTIONS, AFFECTS ACROSS THE INVESTING SPECTRUM AND RISKS

A coffee machine dispenses normally distributed amounts of coffee with a mean of 12 ounces and a standard deviation of 0.2 ounce. a) If a sample of 9 cups is selected, find the probability that the mean of the sample will be less than 12.1 ounces. b) Find the probability that the mean of the sample will be less than 12.1 ounces, if the sample is

For her daughter's university education, Carla Hackl has invested an inheritance in a fund paying 9.2% compounded quarterly. If ordinary annuity payments of $4750.00 per month are to be made out of the fund for 5 years and the annuity begins 7.75 years from now, how much was the inheritance?

The following are the total cost, total revenue, and total profit models for a workplace retreat with x representing the number of workers attending. C(x)=2100+20x R(x)=50x P(x) =30x-2100 Find the profit or loss if 60 workers attend

What makes the flute such an unusual woodwind instrument? (hint: the answer is something that can't be said about any other woodwind in the orchestra) Group of answer choices it is a cylindrical bore instrument it it made out of metal it is too long it doesn't use a reed

Graph the line: Start by plotting the y-intercept ( 0 , 7 ) (0,7) on the graph. Use the slope to find another point. Since the slope is 2 2, it means for every 1 unit you move to the right along the x-axis, you move 2 units down along the y-axis. From the point ( 0 , 7 ) (0,7), move 1 unit to the right to ( 1 , 7 ) (1,7) and 2 units down to ( 1 ,

Calculate number of sheets of 1200 x 2400 sheathing required (consider openings larger than 3.0 Sq meters and include 8% waste, then round up to the next full sheet) Building length A = 7250 mm Building width B = 6950 mm Wall height = 2400 mm 2 windows are 2000 x 1650 O 24 O 13 21 22

ii) Use Excel "countif" function to find out the number of households that travelled more than 20,000km and less than 10,000km respectively. iii) Use Excel "countifs" function to find out how many high-income households travelled more than 20,000 kilometres. iv) Use Excel "countifs" function to find out how many low-income households travelled

A spinner has 4 colours: red, yellow, green, and purple. The experimental probability spinning a red is 0.2, of spinning a yellow is 0.3, and of spinning a green is 0.4. If the spinner was spun 30 times, how many times did it lands on purple? 2. Estimate the subjective probability for each event. Justify your reasoning. a) You will earn an A in

To show if these two sets are countable or not, why ? \f
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Help me write a progress report for the following student given the following information: Given a multi-step problem, Sasha will use order of operations to solve at 80%accuracy in 4 of 5 trials. Data Collection 4 out of 5 trials

Evaluate using mathematic functions 10 - 2(4 - 6) + 30

Here is the problem. For the following polar equation, write an equivalent rectangular equation. r=3sec3 The equivalent equation in rectangular form is E. (Type an equation.)
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In constructing a confidence interval of , you have 50 sample values and they appear to be from a population with a skewed distribution. The population standard deviation is not known.

Use the numbers below for this problem only X Y 36 -30 7-3 41 -36 67 5-3 (X) 2 + Y =

Given g(x) = 5x 2 7x + 3, find: 2.1 g( 1 2 ), 2.2 g(a + h) g(a) h

(a) [5 marks) By deriving the per-worker production function y = k/ for output per worker y = Y/N and the equation k' - k = sxk/) - dk for accumulation of capital per worker k = K/N. show that the steady-state levels of capital per worker and output per worker are: k = (s/d)1/ and y = (s/d) /
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d. (5 points) Is your network producing more false positives or false negatives? Use the plot provided below to answer. Output Cass Target Class
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Let -6 -0.25 A = 135 6 Find an invertible matrix X and a diagonal matrix D such that X 1 AX = D. 0 1.5 X = 1.5 0 1.5 0 D = 0 1.5
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For the anatomy and physiology class I am taking, I can earn college credit if I have at least a B in the class and get at least a C on the final exam. I have a B in the class and want to take the test tomorrow, but do not feel ready at all even though I have been studying all week every day all day long. If I don't get at least a C on it, then I

This questions is related to M/M/1 model assumptions (Queueing Model). There are 21 employees working in a restaurant. The food boxes has an average arrival rate of 1000 boxes/hour. 12 seconds is the average time a box spends in the system. What is the probability that 7 boxes are in the system? Please clearly state the calculation method. Thank

Section 7.2 Reading Assignment: Exponential Change and Separable Differential Equations Answer Only Exercise 1, 2, and 3 by using a screenshot provided Calculus Pearson textbook. Make sure you read these three questions very carefully and see on what it is asking for and what is really about. References: Thomas' Calculus: Early Transcendentals |
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Writing a Lesson Rationale/Justification for making animals out of circles Preschool lesson plan.

(Local linearization around equilibrium: nonlinear input). Consider the nonlinear system y y y = u2 1. (a) Compute a state-space representation for the system with input u and output y. Write the model in the form x = f (x, u) y = g (x, u) for appropriate functions f and g . (b) Linearize the system around the solution y(t) = 0, u(t) = 1, t 0

The cost in millions of dollars for a company to manufacture x thousand automobiles is given by the function C(x) = 4 (x-5)2+ 22. Find the number of automobiles that must be produced to minimize the cost. 100 thousand automobiles 5 thousand automobiles U 20 thousand automobiles 10 thousand automobiles
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1. 5 points Suppose X is a continuous random variable whose probability density function is given by: (31:2 1 313$ 2 We otherwise (a) 2 points Find the value of r: such that at) is a valid pdf. (b) 3 points Compute P(X } U)
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If a keyword has the following bid inflations/deflations, what is the final max CPC assuming all of the dimensions are TRUE when the ad is triggered? (3 marks) Original max CPC = $2, Toronto +20%, Mobile -15%, Time of Day -5%

An appliance store is having a 25% off sale. After the discount is taken, a 7% sales tax is added on the sale price. Find the total price, including sales tax, of a refrigerator whose original price was $1900

Use inductive reasoning to predict the next equation. 4times6equals5times7negative 11 6times8equals7times9negative 15

Hraclite affirme dans le fragment 52 que "Le cours du monde est un enfant, il est jouant, jouant aux ds et dplaant les pions sur un damier : c'est le royaume d'un enfant". true or false

Correlation vs. Causation Beware that Correlation does not mean Causation! One of the most common errors we find in the press is the confusion between correlation and causation in scientific and health-related studies. In theory, these are easy to distinguish ? an action or occurrence can cause another (such as smoking causes lung cancer), or it
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$3. (14 p) (a) Obtain the null space of the matrix below and write out a basis for it. (b) Verify the Rank Theorem in this exercise. 2 2 1 M = 3 6 15 4 2
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You are interested in investing in two different funds: a corporate bond fund and a common share fund. The following information about the annual return for a $1,000 investment in each fund under different economic conditions is available, together with the probabily that each of these economic conditions will occur.

Find a polynomial function of lowest degree with rational coefficients that has the given numbers as some of its zeros. 4+i, 3 .. . The polynomial function in expanded form is f(x) =
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Supply and demand have created a market price of $300. 1. What is the universal profit maximizing rule
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Use a graphing calculator or Desmos to solve the system by first converting it to an augmented matrix and then writing in row-reduced echelon form (RREF). 24r - 24y - 6z 13 36r 32y - 18z 27 12c - 12y 6z = -11 41 I = 36 X 109 y= 36 X 85 Z = 36 X
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When calculating with a percentage, the percentage must always be converted to a decimal before starting the calculation

please help with 1- 12 A hypothesis test is the following. a descriptive technique that allows researchers to describe a sample O a descriptive technique that allows researchers to describe a population O an inferential technique that uses the data from a sample to draw inferences about a population O an inferential technique that uses information
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Consider the following two independent random variables,X XandY Random variableX has a mean of 21 and a standard deviation 10. Random variableYhas a mean of 26 and a standard deviation 7. Find the mean, variance, and standard deviation for the following linear combination ofX andY 4X5Y+50 Mean: (exact answer) Variance: (exact answer) Standard

A direction of lines which implies quiet and repose is _____________. Select one: a. vertical b. horizontal c. curve d. diagonal

Hello, I am working on a problem: With 80% confidence, for sample proportion 0.52 and sample size 28 what is the upper confidence limit with 2 decimal places Upper limit = p + z*pq/n at 80% z=1.28 Hence upper limit = 0.52 +1.28*sqrt(0.56*0.44/28) = Is this correct?

(100 points) If possible, write 3 + x as a linear combination of x - 2 + x-, 2x -2 + x- and 2x - 3 + x-. Otherwise, enter DIVE in all answer blanks. 3+ x= (x - 2+x2)+ (2x - 2+ x2)+ (2x - 3+ x2)
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given the Following tables Of values for F(20) and ic Find F (a ) X - 5 - 3 3 18 9 0 U - FX . 14
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According to Tyler's translation, at what time of year does Chapter 5 begin? Group of answer choices Late spring, near the end of the third month of the lunar calendar. Full summer, in the fifth month of the lunar calendar. Early fall, in the seventh month of the lunar calendar. Mid-winter, in the eleventh month of the lunar calendar. Flag

Use the Standard Normal Distribution table to find P(Z -0.69)

The price per board foot was $4.00. Please calculate the 1,662,750 by $4.00

La Alegra S.A. de C.V tiene implantado el sistema de Justo a Tiempo. Te pide registrar en esquemas de mayor o libro diario las operaciones realizadas durante el mes de mayo

Pick a standard and identify the skill you will explicitly teach (I.e. multiplying two-digit numbers with the area model) Create a video of yourself teaching a math concept in two ways (i.e. concrete manipulative, representational, or symbolic). The screencast should be no longer than eight minutes. You may use virtual manipulatives, a visual

The _____ creates real-time moving images of internal functioning. Multiple choice question. computed tomography (CT) scan single photon emission computed tomography (SPECT) functional magnetic resonance imaging (fMRI) apparatus electroencephalograph (EEG)

Given the following dictionary, translate the sentence below into Propositional Logic: Dictionary: H - Jill spent 100$ at Raleys T- Jill paid tax C-Jill has a chance at a free lift ticket If Jill spent $100 at Raleys and paid tax, she has the chance of winning a free ski lift ticket. Group of answer choices H & (T --> C) (H & T) --> C (H & T) & C

In a simple linear regression analysis, the correlation coefficient ( r ) and the slope ( b ) ___________ have the same sign. A) always B) sometimes C) never

Identify an accurate statement about interval scales. Multiple choice question. They contain no absolute zero point. They do not permit classification. They cannot obtain a meaningful result. They are the simplest form of measurement

Help QUESTION 12 stem leaf (unit = 1) 0 1 3 4578 012679 3 3 4 5 6 6 6 6 1 2 3 5 7 8 9 The smallest value in the sample is and the largest is O A. 4.0, 7.9 O B. 400, 790 O C. 4.0, 79 O D. 0.4, 0.79 O E. 40, 79 Click Save and Submit save and submit. Click Save All A
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MATH 103-005 Col Alge & Trig En Sci L_Ingram_Spring 2024 HW Score: 0%, 0 of 10 Question 1, 1.4.9 points E Homework: Section 1.4 Homework O Points: 0 of 1 Save Find the real solutions of the equation. Question list K 13x - 2 = 2 O Question 1 What is the solution set? Select the correct choice below and fill in any answer boxes in your choice
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There are 5 radar stations and the probability of a single radar station detecting an enemy plane is 0.55. What is the probability of 4 stations detecting an enemy plane? Round your answer to nearest hundredth.

In a sample of 800 adults, 242 said that they liked sugar cereals. Three adults are selected at random without replacement. Find the probability that all three like sugar cereals.

Simplify the following radical expression. cube root of 125 x cubed y end root A.) 5 x cubed y B.) 5 cube root of x y end root C.) 5 x cube root of y D.) 5 x y cubed

Can you answer this with explanation 7 (Problem 2 - 20 Points ) You are using a saw blade with a in kerf (cutting 64 waste). How many 9% in board sections can be cut from a board that is 120 in long? 3
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A random sample of 470 observations produced a sample proportion equal to 0.35. Find the critical and observed values of z for the following test of hypotheses using =0.025. H0:p=0.30 versus H1:p0.30. Round your answers to two decimal places. z critical left = z critical right = z observed =

What trade has the most women registered? https://docs.google.com/spreadsheets/d/1VUIhI7dpeXptAXD9Lr9PgeZJklVoU4bZvt0Eb7qCTjI/edit?usp=sharing Rais_data_Suppresed is the data I need analyzed. the dictionary and terms on the headings has been provided! Please provide an answer with a chart and the answer.

A pharmacy technician must often deal with different types of restricted OTC drugs in the business of a community pharmacy. Read the following questions and use the chapter reading for answers. What is the DEA classification of OTC codeine cough syrups? What is the maximum amount (in ounces) that can be purchased in 48 hours in states that sell it

Lateral filing cabinets are deeper than they are wide. Question 7 options: True False

Which statement below best describes complex rational expressions? Question content area bottom Part 1 Choose the correct answer below. A. Complex rational expressions are rational expressions which are added to variables. B. Complex rational expressions are rational expressions which cannot be simplified. C. Complex rational expressions are

For the matrix A below: Without doing any computation, first explain why the columns of A have to be linearly dependent, and then why the equation Ax = 0 has infinitely many solutions. Having done that, delete as few columns as possible from A to depict a matrix B for which the equation Bx = 0 has only the trivial solution

Not sure how to go about solving this one. Answer the question for a normal random variable x with mean u and standard deviation o specified below. (Round your answer to one decimal place.) M = 34 and o = 11. Find a value of x that has area 0.01 to its right. X =
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A can of soda is placed inside a cooler. As the soda cools, its temperature (Tx) in degrees Celsius is given by the following function, where x is the number of minutes since the can was placed in the cooler. = T(x)= 3+25 e^ 0.04 x Find the initial temperature of the soda and its temperature after 18 minutes. Round your answers to the nearest

if f(sintheta)+g(costheta)=0 then must f(sintheta)=g(sintheta)

Use the internet to find a website that shows an example or application of correlation or regression in an area of interest in your personal or professional life. Discuss how correlation or regression was used, summarize your findings, and share them. Be sure to include the independent and dependent variable - discuss the impact/relevance of the

In order to understand the causal relationship in business process, manager often asks "whys" to drill down the root cause of failures. Select one (1) project from your working or educational environment and propose at least three (3) "why" questions that you would ask in order to identify root cause of problem.

You attempt to skip a stone in a pond, and it follows the curve x = 5t cos(5t), y = 1 sin(5t), where t represents time in seconds. Unfortunately, the second time the stone hits the pond (y = 0), it sinks. a) How long does it take from when you toss the stone, until it sinks? b) At what time(s) is the stone travelling horizontally? Ensure that your

You and your friend join a new yoga studio that requires a one-time joining fee and monthly payments. (6 pts) a. If your friend stays with this studio for 15 months and pays $654 while you stay for 24 months and pay $852, write a linear function that describes the cost of studio membership, C, in terms of the number of months, m. (3 pts) b. What

3) Determine the exact x-intercepts (zeros/roots) of the quadratic function: f (x) =-2x-+4x +7
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3.d. Going "Viral"
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A hot air balloon holds 1,592 cubic meters of helium. The density of helium is 0.1785 kilograms per cubic meter. How many kilograms of helium does the balloon contain, rounded to the nearest tenth of a kilogram? (1 point) 432.3 kg 284.2 kg 2,043.7 kg 5,435.3 kg

Determine the re resistance level for the Western Ioadbearing external wall of the shop complex building shown in the following site plan and give the reasons for your answer. (80 words maximum, 3 marks) Part site plan - dlagrammatlc only
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tain N N - m - N TNT T-NO N TOT 2.5.2 Express the kernel of each of the following matrices as the span of N -2 0 m m in -1 ONT some list of vectors. NT O
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