Mathematics Questions and Answers January 14, 2020

3 A technician tested a sample of 40 capacitors and recorded the capacitance values in a table. The capacitors had a nominal value of 50OnF each. 450 500 515 400 505 495 525 450 495 530 465 505 510 515 450 480 185 495 430 525 520 520 465 475 425 480 195 490 415 485 505 515 500 510 510 500 505 520 525 465 (3) Describe the meaning of a discrete

11) A marketing research firm would like to survey undergraduate and graduate college students about whether or not they take out student loans for their education. The survey cost (for each student) is provided below: Region Undergraduate Graduate East $10 $15 West $15 $20 The marketing research firm would like to minimize the cost of the survey

A sportswriter wants to know how strongly Indianapolis, Indiana residents support the local minor league baseball team, the Indianapolis Indians. He stands outside the stadium before a game and interviews the first 30 people who enter the stadium. Suppose that the newspaper asks you to comment on the approach taken by this sportswriter in

11) A marketing research firm would like to survey undergraduate and graduate college students about whether or not they take out student loans for their education. The survey cost (for each student) is provided below: Region Undergraduate Graduate East $10 $15 West $15 $20 The marketing research firm would like to minimize the cost of the survey

19) Basic statistics (IF YOU DONT UNDERSTAND SOMETHING USE GOOGLE TRANSLATE) Just answer limited time ? QUESTION 19 100 personas fusion encuestadas para investigar las preferences sobre plataformis de telefono celular La misma arrojo los siguientes hallazges Android Apple Tocall Mujer 8 32 40 Hombre 12 48 60 20 80 100 Si el evento A es ser mujer y

6. Let f(x) and g(x) be the functions whose graphs are shown below. Use the graphs to find the indicated value. v = f(x) V = g(x) 2+ X 3 (a) (4 points) Determine the correct value of h'(0) where h(x) = g(sin x) + /(tanx). Circle the correct answer. (A) Does Not Exist (B) i - (D) 0 (E) (b) (4 points) Determine the correct value of h'(0) where h(x)

Lawson's Department Store faces a buying decision for a seasonal product for which demand can be high or low. The purchaser for Lawson's can order 1, 2, or 3 lots of the product before the season begins but cannot reorder later. Profit projections (in thousands of dollars) are shown. State of Nature Decision Alternative High Demand (S1) Low Demand

Question 7 Not yet answered Points out of 14.00 p Flag question Assume that women's heights are normally distributed with a mean of 63.6 inches and a standard deviation of 2.5 inches. If 90 women are randomly selected, find the probability that they have a mean height less than 63 inches. Select one: O a. 0.9887 O b. 0.4052 O c. 0.0113 O d. 0.5948

Need to solve a. b. & c. Question 5 (7 + 5 = 12 marks) Let z denote a variable that has a standard normal distribution. Neatly draw a diagram for each of the following, and determine the value of z* such that a. -z* and z* separate the middle 80% of all z values from the most extreme 20% (10% in each tail) (11/2) b. -z* and z* separate the middle

Assume that adults have IQ scores that are normally distributed with a mean of 100.1 and a standard deviation of 24.2. Find the probability that a randomly selected adult has an IQ greater than 138.9. Round to four decimal places.

Is there a linear relationship between a male's adult height and his father's adult height? Is there is a linear relationship between a male's adult height and the adult height of his youngest brother? Suppose that a genealogist investigates these questions. He hypothesizes that there is a linear relationship between a son's height and his

Eat your spinach: Six measurements were made of mineral content (in percent) of spinach. It is reasonable to assume that the population is approximately normal. 19.4 20.9 20.7 21.1 20.5 19.7 Send data to Excel Part: 0/2 Part 1 of2 Construct a 99.8% confidence interval for the mean mineral content. Round the answers to two decimal places. 1 X f) A

1. Briefly explain the goal for defining and measuring variability. 2. What is the range for the following set of scores? (You may have more than one answer.) Scores: 6, 12, 9, 17, 11, 4, 14 3. In words, explain what is measured by variance and standard deviation. 4. Is it possible to obtain a negative value for variance or standard deviation? 5.

Use your data set and summary statistics from Part 1 of the Project, to answer the following questions. Put your results in a semi-professional looking report. Make sure to include your name, date, title, page numbers, etc. If there were any invalid responses in your data, you will want to eliminate these responses from your sample and mention

find the average for my excel spreadsheet Compute scale scores by averaging across all indicators Con1 Con2 Con3 Con4 Con5 Con6 CON7 Con8 Con9 Con10 5 5 5 5 5 5 5 5 5 5 7 5 4 4 1 2 2 7 4 2 2 1 4 5 3 4 3 5 5 1 4 4 4 4 6 4 7 5 7 5 4 4 4 1 3 4 3 5 4 7 2 4 4 3 3 6 5 3 3 3 2 4 7 7 4 5 6 6 7 4 4 1 3 3 3 2 1 1 3 1 2 2 5 4 2 1 3 3 1 1 6 6 7 5 3 7 5 6 6 4

14. The derivative of y = tan (x + ) is the same as the derivative of A. y: 12:31: 2tanx 3' y: 1+tan x c- His: 0- ts: Use the following information to answer question 15. 15. If f ( x} = 2 sin 1: and g(x) = cos x , then the solutions of the trigonometric equation 2sin x=cos x are the y-intercepts of both f and g the x-intercepts of both f and g

Functions 1. (12 points) Let A=(1, 2, 4, 6,8) and B=(2, 4, 6,8, 10). Let f : A- B and g : A -> A with f = {(1,2), (2, 8), (4, 10), (6,2), (8,4)} and g = {(1, 1), (2, 6), (4, 8), (6,2), (8,4)} For each of the following compositions, define the function or explain why it is not defined. (a) fog (b) gof (c) f of (d) gog (e) Find f if it exists. If it

14. The derivative of y = tan (x + ) is the same as the derivative of A. y: 12:31: 2tanx 3' y: 1+tan x c- His: 0- ts: Use the following information to answer question 15. 15. If f ( x} = 2 sin 1: and g(x) = cos x , then the solutions of the trigonometric equation 2sin x=cos x are the y-intercepts of both f and g the x-intercepts of both f and g

11. [-/8.33 Points] DETAILS BBBASICSTATSACC 6.3.021.5. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Innocent until proven guilty? In Japanese criminal trials, about 95% of the defendants are found guilty. In the United States, about 50% of the defendants are found guilty in criminal trials. (Source: The Book of Risks, by Larry Latidan, John Wiley

Main Activity 1 Sketch the graph of the function (x) = I . Complete the table of values, and answer the questions on page 2 (Introduction to Rational Functions) of your General Mathematics textbook. Alternative Activities D0 one among the following activities. Allematlve MIN\"! 1 \"Connect Us Together\" Make a collage showing the real-life

The Exam Office in SUSS would like to find out whether gender affects students' reading time before they start their attempt on the first question in a Statistics exam. 30 male students and 30 female students were randomly selected and their reading time (in minutes) were recorded. The dataset can be found below (a) Describe the 99% confidence

Data Set is provided in the Comments, kindly check it. You are interested to predict the Fare ($) from the Distance (km). As a first step, use EXCEL to draw a scatterplot of Distance(km) vs Fare ($) . Annotate the axes of this plot and include a title that is meaningful and contains your network ID. Compute the correlation between these two

this is for stats: 1. A sociologist intends to estimate the percentage of adults who believe in astrology. How many adults does the sociologist need to survey if a condence level of 99% and a margin error of 4% are desired a) if nothing is known about the percentage to be estimated. '0) if a recent survey shows 16% of respondents say they believe

with detailed solution typewritten A local government official observed an increase in the number of individuals with cardiovascular and obesity problems in his barangay. It is known that obesity results in greater risk of having illnesses like diabetes and heart problems. In order to improve the health conditions of his constituents, he

The shape of the distribution of the time required to get an oil change at a 10-minute oil-change facility is skewed right. However, records indicate that the mean time is 11.4 minutes, and the standard deviation is 3.9 minutes. Complete parts (a) through (c) below. Click here to view the standard normal distribution table (page 1). Click here to

Basic statistics (IF YOU DONT UNDERSTAND SOMETHING USE GOOGLE TRANSLATE) Just answer limited time ? QUESTION 9 100 personas fueron encuestadas para investigar las preferencias sobre plataformas de telefono celular. La misma arrojo los siguientes hallazgos. Android Apple Total Mujer 8 32 40 Hombre 12 48 60 20 80 100 Si el evento A es ser mujer y el

The shape of the distribution of the time required to get an oil change at a 10-minute oil-change facility is skewed right. However, records indicate that the mean time is 11.4 minutes, and the standard deviation is 3.9 minutes. Complete parts (a) through (c) below. Click here to view the standard normal distribution table (page 1). Click here to

QUESTION 7 1. In order to convert an analog signal to a bit stream, what are the basic three sequential operations to be used ? 1. 3. 2 points QUESTION 8 1 . Base-band data transmission is used when the channel type is low-pass band-pass wireless pass-band 1 points QUESTION 9 1. White noise has power spectral density. Constant & Variable Variable

A cryptographic calculator performs simple operations on strings of a kind that are used in classical cryptosystems. It is also able to combine these operations in a natural way. Suppose x = x 1 x 2 x n and k = k 1 k 2 k t are two strings, where x i and k i denote the i-th letters of x and k respectively. QUESTION: Using the following code as a

l T$+6 Find the linearization of the function f {z} : at a: : 1_ abg|a|qrsin(a) [mo 12(2):- Find the true values of f (m) and the approximations using L (m) below. Round all of your answers to 3 decimal places. You can use a calculator, spreadsheet, browser, etc. to calculate the exact values. The exact value f [z] The approximate value L [z] I

Approximately 10% of all people are left-handed. Out of a random sample of 15 people, what is the probability that 4 of them are left-handed? Round answer to 4 decimal places. Answer:

4. Find the equation for the tangent line for the curve y = t '2 +3 at the point where x =1. (use the chain rule) 5. Find the equation of the line that is tangent to the curve f (x) = (3x5 - 7x2 + 5)(x3 +x- 1) at the point (0,-5). (use the product rule) 6. Find 'if = 3x44x 5x23 (multipb) am) y y x 7. Find the points that make the tangent line

PLEASE HELP 1. A company makes tranquilizers. It is assumed that the distribution for the length of time they last is approximately normal. Researchers in a hospital used the drug on a random sample of nine patients. The effective period of the tranquilizer for each patient (in hours) was as follows: 2.7; 2.8; 3.0; 2.3; 2.3; 2.2; 2.8; 2.1; and

QUESTION 2 GIVEN: GROUP 1 GROUP II N- 5 N - 5 MEAN - 10 MEAN - 14 SS - 30 SS -50 For these data using the independent t-test, t = O'A-1.00 B.-2.00 O C.-2.83 O D.-1.41 E. None of these QUESTION 3 You can only use data with t-tests A. Ordinal & Interval B. Nominal & Ratio G. Nominal and Ordinal O D. Interval and Ratio CE. Ratio and OrdinalQUESTION 4

Caffeine Elimination Rate Time (hrs.) Caffeine (mg) 0 48.00 1 38.11 2 30.26 3 24.03 4 19.08 5 15.15 6 12.03 7 9.55 8 7.58 9 6.02 10 4.78 11 3.80 12 3.01 13 2.39 14 1.90 15 1.51 16 1.20 17 0.95 18 0.76 19 0.60 The human body processes different drugs in different ways. Most of you have probably observed that a drunken person does not stay drunk

Problem 5. (1 point) Suppose that En-onx" converges when x = -3 and diverges when x = 4. Determine whether the following series converge or diverge. Answer "Converges" or "Diverges." 00 [?/Converges/Diverges] 1. _ cn n=0 100 [?/Converges/Diverges] 2. [ Cn9" n=0 [?/Converges/Diverges] 3. _ cn(-6)" n=0 00 [?/Converges/Diverges] 3. [ ( - 1) " Cn 12"

PART 4. Identify the appropriate test for questions 17-20 17. (1pt) Which of 5 group means are significantly different? a. Multiple regression b. Tukey post-hoc test c. Correlation d. Independent-samples t-test 18. (1pt) Is the IQ of this class different from the population average of 100? a. One-sample t-test b. Paired-samples t-test c.

Read the 2 statistic from the normal distribution table and choose the correct answer. For a onetailed test {upper tail} at a = 0.0643, nd 2. O 1.52 O o.94 O 0.94 O 1.52

For the elliptical spiral r(t) = cos(t)i| + 3sin(t)j + tk. find formulas giving the tangent vector and unit tangent vector as a function of t

please help, thankyou It turns out that your friends have allergies to chicken and now they're into moto-cross. They have a small square backyard which is 4m long and 4m wide. They want to create a hill area so that they can have mom-cross fun in the backyard. More precisely, they want that there are four nicely spaced-out hills! You remember

Question 5 U.S. price of gasoline (unleaded regular, per gallon) in the 24-month period starting December, 2019 $4.00 $3.50 $3.00 $2.50 $2.00 $1.50 $1.00 $0.50 18 24 Let p(t) be the price of gasoline reported by the Bureau of Labor Statistics t months after December 2019. The price data is displayed above. (We have significantly higher prices in

1. Based on the marine biologist's research journal entries: (a) Sketch a food web for the portion of the Great Barrier Reef that was being observed. (b) Label the primary producer(s), primary consumer(s), and secondary consumer(s) in your food web. (c) Label one autotroph, one herbivore, and one carnivore in your food web. 2. The research team

In Collaboration 2.3, you used the following data about population changes in the United States: State 2000 Population 2010 Population Wisconsin 5,363,675 5.686,986 Suppose state planners in Wisconsin think that the average rate of change will continue through 2015. Write an equation to model the population of Wisconsin from the year 2000. Use W

Using satellite imagery to aid agriculture grain production has been done on a limited scale as far back as the 1970's when NASA first launched the Landsat satellite. But it has only been recently that the satellite images, including GPS satellites, and data from typical farm operations have been integrated together to provide a data driven

Assume the random variable X is normally distributed with mean u = 50 and standard deviation o = 7. Compute the probability. Be sure to draw a normal curve with the area corresponding to the probability shaded. P(35

Scores on Professor Nancy's exams have a long term history of being normally distributed, with a mean of ? = 75 and a standard deviation of ? = 7 a.) Find the probability that a single student will score above a 80 on the Final exam b.) Find the probability that a single student will score between a 70 and 80 on the Final exam. c.) Find the

Question 2 Fnew 7-2 Homework: Chapter 8 (Sections 8.1 and 8.5) i Saved 2 (a) Find the standard error of the mean for each sampling situation (assuming a normal population). (Ro places.) 5 points Standard Error a 0 = 6, n =9 b. o = 6, n= 36 eBook G = 6, n = 144 Ask Print References (b) What happens to the standard error time you quadruple the

Find the point(s) where the graph of the function has horizontal tangents. f(x) = 3x-+2x +2 O A. 3 3 OB. (- 8,202) O C. (0, -2) 2 O D. 3'3

Math 1324 6002 Spring 2022 Flanagan E Quiz: Quiz #2 (over 3.3 and 3.4) Question 9 of 10 This quiz: 10 point(s) possible This question: 1 point(s) possible Submit quiz E-Loan, an online lending service, recently offered 36-month auto loans at 3.9% compounded monthly to applicants with good credit ratings. If you have a good credit rating and can

Complete the table below: Participant #Times Sick with Apples #Times Sick with no Apples X D D DD D nD LL D S X D

Consider the triangle S in the plane 2 = 1 that has vertioes at the points (0,0,1), (11 0,1), [0,1,1]; and the vector field V = ($y+a:z I] $231) - 3. Compute the curl of v. Enter your answer as a vector using the matrix button. VXV: ob sin [a] 3 f 55; oo o: [2 m] o b. Compute directly the integral 1/s (V xv). as, where the positive z direction is

THIS IS THE LINK https://phet.colorado.edu/sims/html/masses-and-springs-basics/latest/masses-and-springs-basics_en.html , PLEASE DO THIS ACTIVITY ON A COMPUTER GO TO THE WEBSITE LINK THAT I PUT THE SAME LINK UNDER MATERIALS PLEASE COPY THE LINK ON YOUR COMPUTER TO DO THE EXCERSICES, THANK YOU. Objective: In this lab exercise we will be discussing

Use R: Assume there are a total of 20 congressional seats up for election across the Unites States which has a multinomial distribution. We will assume that for every seat there are 3 candidates running, 1 from the Democratic party, 1 from the Republican party and 1 from an Independent party. We will also assume that for every seat there is a 45%

2 1 point 2010 U.S. Population by Gender and Marital Status (in 1000's) Male Female Totals Never Married 33,748 27,792 61,540 Married 64,437 65,096 129,533 Separated 2,313 3,140 5,453 Widowed 2, 968 11,364 14,332 Divorced 9,966 13,748 23,714 Totals 113,432 121,140 234,572 Consider the census data in the table above. What is the probability a

1. Consider the graph of f on the interval [4, 4] below: 9 (i) (1 point) Classify all discontinuities of f. You do not need to explain your work for this question. Simply state the points at which f is discontinuous, and what type of discontinuity occurs. (ii) (1 point) Determine the limit 115% [f(a:) + f(m)2] 3? (111) (2 pomts) Determine the

Answer it correctly please. Explain your answer. I will rate accordingly with multiple votes. Homework: Ch 4 Sec. 1 Question 6. 4.1.5 HW Score: Oil, 0 of 14 painta O Points: 0 of 1 Save A recent survey of a social media she user statistics had four categories (reasons) for using the social media site: Creativity, Keeping in Touch, Easier Than

I have the questions attached for review and it has three questions associated :) Question 1 (The equation for this question is below) \f1. Jane Burns, an HR analyst for Standard City, USA, knows that SD for firefighters in her city is $31,000. The fire department has asked the city to provide training in team building for 500 of its employees, at

Chapter Test A 1. Write 142% as a mixed number in simplest form. 2. Write - as a percent. 3. Write 14% as a decimal. 4. Write 0.23 as a percent. 5. While unpacking a box of canned vegetables, you notice that 2 out of 40 cans are dented. Write "2 out of 40" as a fraction, a decimal, and a percent. 6. Which is greater, 0.37 or 41%? 7. Order 93%, 7

You can use plot_vector_field in a SageMath interactive just as you would use the regular plot command. Consider the Romeo-Juliet model in which each person responds only to the other's feelings: R = aJ and J = bR. (The parameters a and b can be either positive or negative.) Create an interactive that plots the vector field and lets you manipulate

2. Sea X la variable aleatoria que representa la demanda semanal de una maquina de premios que esta puesta en un supermercado. La funcion de probabilidad para Z esta dada por, f(x)= (x2-3x)/60 para x= 4, 5, 6. 7 Encuentro: a) Funcion de probabilidad (1 punto) b) la distribucion acumulate, (1 punto) c) la desviacion estandar (2 punto) d) Cual es la

The density function a continuous random variable X is fx(x) =1for -1

The density function a continuous random variable X is fx) 1 for 1 x 0. Find the cdf of O FY(y) O B) FY(y) (o, U, (o, 1 1 if y 8 if otherwise. if y 8 if 8 S y S 8

1. Consider the graph of f on the interval [4, 4] below: 9 (i) (1 point) Classify all discontinuities of f. You do not need to explain your work for this question. Simply state the points at which f is discontinuous, and what type of discontinuity occurs. (ii) (1 point) Determine the limit 115% [f(a:) + f(m)2] 3? (111) (2 pomts) Determine the

Justin obtains a loan for home renovations from a bank that charges simple interest at an annual rate of 3.6%. His loan is for $15,600 for 99 days. Assume 1 each day is of a year. Answer each part below. 365 Do not round any intermediate computations, and round your nal answers to the nearest cent. If necessary, refer to the list of financial

CAS Ex-300 ES PL NATURAL 42. Suppose there is a correlation of r = 0.9 between number of hours per day the students study and GPAs. Which of the following is a reasonable conclusion? (a) 90% of the students who study receive high grades. (b) 90% of the students who receive high grades study a lot. 90% of the variation in GPAs can be explained by

I need help with parts B and C It (a) Find the approximations T10, M10, and 310 for f 40 sin(x) dx. (Round your answers to six decimal places.) 0 m Mm- m Find the corresponding errors ET, EM, and 55- (Round your answers to six decimal places.) - (b) Compare the actual errors in part (a) with the error estimates given by the Theorem about Error

Is there a difference in the yields of different types of investments? The accompanying data provide yields for a one-year certificate of deposit (CD) and a five-year CD for 25 banks. Complete parts a through c below. Click the icon to view the yields for one-year CDs and five-year CDs. a. Construct a 99% confidence interval estimate for the mean

Chapter Test A 1. Write 142% as a mixed number in simplest form. 2. Write - as a percent. 3. Write 14% as a decimal. 4. Write 0.23 as a percent. 5. While unpacking a box of canned vegetables, you notice that 2 out of 40 cans are dented. Write "2 out of 40" as a fraction, a decimal, and a percent. 6. Which is greater, 0.37 or 41%? 7. Order 93%, 7

10 1 43 Let / (x, y) = e -V. for 0

Let pdf of (X, X Y is Note Please the to fcwr O O sa09 0 05094 O O s.wo 0 05940

For n = 4 and I: = 0.80, what is P(X = 3)? P(X = 3) = D (Round to four decimal places as needed.) Determine the mean and standard deviation of the variable X in the binomial distribution where n = 4 and I: = 0.50. Determine the mean. ll = E (Type an integer or a decimal.) A student is taking a multiple-choice exam in which each question has four

1072 Evaluate the integral: V64 -12 (A) Which trig substitution is correct for this integral? Or - 64 tan(0) Or - 8 tan(0) Or - 8 sec(0) OI - 64 sec(0) Or = 64 sin(0) OI - 8 sin(0) (B) Which integral do you obtain after substituting for T and simplifying? Note: to enter 0, type the word theta. sin (0) x de C) What is the value of the above

The number of bedrooms (1:) per occupied private dwelling across Melbourne has the following distribution: (This table excludes dwellings with zero or an unspecied number of bedrooms and counts dwellings with more than 4 bedrooms as having only 4.) a) Calculate the mean and variance of the number of bedrooms in a dwelling selected uniformly at

C. X = 19 7 = d. X = 3.78 7= e. X = 6.5 7= 2. A normal distribution of scores has a standard deviation of 15. Find the z-scores corresponding to each of the following values: a) A score of 90, where the mean score of the sample data values is 45. Z= b) A score of 75, where the mean score of the sample data values is 35. Z= c) A score of 40, where

A manufacturer wanted to improve on the processes used to produce electrical components. At the beginning of the year, the factory randomly examined 9,000 electrical components, and of these a total of 900 components were rejected after a quality-control inspection. A project was deployed to fix the problem. Following the project, 7,000 components

Recently, Gov. Gavin Newsom signed a bill that would allow collegiate athletes to profit from the use of their name or images. The proposal to pay college athletes has sparked a controversial debate. In a random sample of 30 college students 12 strongly favored compensating college student athletics. Suppose the researchers desire to create 90%

1) The base functionls] can be any non-linear function except a parabola, square root, or absolute value. (If using 2 functions, the 2nd can be any of your choice]. 2) The cross section can be any shape except a rectangle of constant height. If you choose a square or rectangle of changing height, your max grade will be a 90. 3) For the model, the

CLASSWORK_NO_2 2. SUMMER I, 2019, II GROUP OF I'INIIL YEAR NURSING STUDENTS SIIT MATH 224 IIND THEIR GRIIDES IIRE LISTED REQUIRED: -A) What is the level of measurement for the MATH 224 scores - B) Construct an ungrouped frequency distribution table -C) Calculate the descriptive statistics for the ungrouped data -D) Construct a grouped frequency

Hurricane Andrew The contour map below shows wind speed in knots during Hurricane Andrew in the Gulf of Mexioo. Establish an x - 3! system with the origin at the point on the coastline closest to the eye of the hurricane-anti break the map into-a grid. {a} Estimate the average wind speed on the land area in the contiguous US [excluding the

Express the confidence interval 67.8%

A sample of size n=10 is drawn from an approximately normal population whose standard deviation is 12.5 The sample mean is 50.9 Construct a 99% confidence interval for .

Q6 (a) QUESTION 6 a) The probability of Johan taking a bus to work is 0.25. If he takes a bus, the probability of him being late for work is 0.65. If he does not take a bus, the probability of him being late is 0.35. i) Construct a tree diagram for the above information. (3 marks) ii) Find the probability that Johan will not be late for work. (2

4. Consider the initial condition y(1) = a where a is a constant. Substitute the initial condition into the general solution (that you found in #1, #2, or #3 it does not matter since they are all same) and solve for (3. Substitute back this 6 into the general solution to find the specific solution in explicit format. Your answer will have a . 5.

Confidence Interval 1.A physical therapist wished to estimate, with 99 percent confidence, the mean maximal strength of a particular muscle in a certain group of individuals. He is willing to assume that strength scores are approximately normally distributed with an unknown population standard deviation.A sample of 22 subjects who participated in

Mathematics 31 7' PART B: WRITTEN RESPONSE Answer each of the following questions using the space provided. 1. In the diagram, the graphs of x2 +y2 =5 and y: i2x3, andthe tangents to those curves at their point of intersection are shown. (3 marks) a. Determine the coordinates of the point of intersection of x2 + y2 = 5 and y = fr-2x 43

heather fernan A rock is spit out of a fire. Its initial temperature is 390 degrees. After exactly 9 minutes, it has cooled to 267 degrees. Assuming that the ambient temperature (outside of the fire) is 70 degrees, find the temperature of the rock exactly 19 minutes after it is spit out of the fire ROUND TO THE NEAREST DEGREE. The rock's

Recently, Gov. Gavin Newsom signed a bill that would allow collegiate athletes to profit from the use of their name or images. The proposal to pay college athletes has sparked a controversial debate. In a random sample of 30 college students 12 strongly favored compensating college student athletics. Suppose the researchers desire to create 90%

In a recent year, the total scores for a certain standardized test were normally distributed, with a mean of 500 and a standard deviation of 1|] 5 Answer pans (a)(d] below. (a) Find the probability that a randomly seleded medical student who took the test had a total score that was less than 487 The probability that a randomly seleded medical

Hello, can you please help me with the problems shown below? A _______ is used to assess a directional hypothesis. 0 onetailed test 0 two-tailed test 0 all ttests 0 all chi-square tests Question 8 (3 points) J Saved If your tstatistics (Tscore) has a p-value of 2.2e-17, you should ______ O fail to reject the null O reject the null 0 switch to a

Would you please complete this ASAP , please, I need the material for an upcoming test. !!!!!! Within 45 minutes of submission, please!! ANSWERS ONLY, NO NEED FOR EXPLANATION. 3. DETAILS Determine whether the function is even, odd, or neither. (Recall the definitions of even and odd functions.) (( x ) = x sin(x) O even O odd Oneither Submit

QUESTION 14 Use the iollowing to answer the question below. November 8, 2012 was election day. Many of the major television networks aired coverage of the incoming election results during the primetime hours. The provided table displays the amount of time (in minutes) spent watching election coverage for a random sample of 25 US. adults. a. x =

What do these statistical tables mean? Confirming hypotheses or rejecting them? I just don't know how to read this. Thank you. One-Sample Statistics N Mean Std. Deviation Std. Error Mean SAT 102 3.90 769 076 PAY 102 3.33 .606 060 INC 102 4.09 772 076 DIV 102 3.97 841 083 One-Sample Test Test Value = 102 95% Confidence Interval of the Significance

Q5. Video: Solving equations of the form a"=a (https://goo.gl/risQXp) Solving equations of the form @ =P (https://goo.gl/tSH1BZ); In this problem we will consider the equation (4) 2x-3 = (8)x. a) Both the 4 and 8 are powers of 2. Replace the 4 and 8 in the parentheses on each side of the equation with 2 raised to the appropriate power. b) Rewrite

1: The depth at which dolphins dive, y , in feet, as related to the duration of the dive, t , in seconds, is represented by the linear model. If the dive duration is 3 seconds, what is the predicted depth of the dive? 0.48 feet 17.59 feet 17.59 feet 0.48 feet Question 2 Melania is tracking her running training program. The table gives her 5K run

1.Compose and simplify an equation of a family of quartic polynomial functions with irrational roots i 8 and rational roots i 1. 8) Write an equation for a member of this family with y-intercept ( 4) b)Sketch the graph of this function. Fully explain how you do this without using technology] c)State the intervals where this function is negative

3. (35 points) A building has two elevators (E1 and E2), where each one can be working or damaged. If E1 is working today, the probability of working tomorrow is 1/2, otherwise, it will need repairing. Likewise, if E2 is working today, the probability of working tomorrow is 2/3, otherwise, it will need repairing. The building only counts with one

A set of nal examination grades in an introductory statistics course is normally distributed, with a mean of 73 and a standard deviation of 8. Complete parts (a) through (d). .a. What is the probability that a student scored below 88 on this exam? The probability that a student scored below 88 is 0.9699 . (Round to four decimal places as needed.)

No credit will be given without supporting work. 8. A certain STAT 410 instructor is such a terrible lecturer, has such useless US examples on his unorganized Canvas page and such stupid and boring videos [ finally, someone has said it! ] that students have no other option but to use the only reliable resource available to them - StackExchange -

6. Find all the fixed points of g(x) = $2 + ;x. For each of these, determine whether the fixed-point iteration will locally converge to it. Then, confirm your results through computer programming. 7. Find all the fixed points of g(x) =x2 -1x + . For each of these, determine whether the fixed-point iteration will locally converge to it

1. [-/1 Points] DETAILS TANAPMATH7 10.5.005. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Minimizing Construction Costs The management of the UNICO department store has decided to enclose a 913 ft area outside the building for displaying potted plants and flowers. One side will be formed by the external wall of the store, two sides will be

Please give me correct answe. Asking 700 (71.1) months Submit Assignment Quiz 2: Functions IRENE JACKSON Question 10 - of 10 Step 1 of 1 30:00:57 The balance owed on your credit card triples from $700 to $2100 in 12 months. If the balance is growing linearly then it would take 71.1 months to reach $9000. If, on the other hand, the balance is

What do these statistical tables mean? Confirming hypotheses or rejecting them? I just don't know how to read this. Thank you. One-Sample Statistics N Mean Std. Deviation Std. Error Mean SAT 102 3.90 769 076 PAY 102 3.33 .606 060 INC 102 4.09 772 076 DIV 102 3.97 841 083 One-Sample Test Test Value = 102 95% Confidence Interval of the Significance