S
  1. study help
  2. subject categories
  3. sciences
  4. mathematics
  5. september 2022
  6. 01

Mathematics Questions and Answers September 01, 2022

Expert-verified solutions to help you succeed

When taking a salaried employee and calculating their equivalent overtime rate of pay, what is the correct procedure to follow? Question 7 options: Divide the salary by the pay periods involved, then divide this unrounded number by the hours involved in the pay period. Take this unrounded number and multiply by 1.5, then round it to two decimals.

For the function f(x) = 2e* 14, find the points, if any, at which the graph of each function f has a horizontal tangent line. (Use symbolic notation and fractions where needed. Give your answer as a comma separated list of point coordinates in the form (%, *). Enter the symbol @ if there are no such points.) points: Find an equation for each
image text in transcribedimage text in transcribed

which of the following is not a property of the t distribution the density curves are bell shaped the density curves are symmetric about zero the tail of a distribution have less probability

9.8.3.009 9. [-/8.33 Points] DETAILS BBBASICSTATSACC 8.3.009.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER What is the minimal sample size needed for a 95% confidence interval to have a maximal margin of error of 0.1 in the following scenarios? ( For each answer, enter a number, Round your answers up the nearest whole number.) (a) a preliminary
image text in transcribed

For students who first enrolled in two year public institutions in a recentsemester, the proportion who earned abachelor's degree within six years was 0.389. The president of a certain college believes that the proportion of students who enroll in her institution have a lower completion rate. (a) Determine the null and alternative hypotheses. (b)

Carla is not happy today. Complete each of her complaints with the correct form of one of the superlatives provided. Questions Word Bank reference Your options are: benissimo, malissimo, massimo, minimo, ottimo, pessimo, Question 1 with 1 blank No, non mi piacciono le barche! Noleggiarne una una 1 of 1 idea. Question 2 with 2 blanks Non mi piace

Practicing for my Calculus exam my teacher provided me with this (got express permission from her), I need step by step answers please! - (Please provide complete solution for question 6 as well) PART B: Answer in the spare prn-dl. m all Wk [or full math. 25. Evaluau: [algcbraicall such of 131: fblluurl'ng limit; if 131:}- Hist. . driS-dS-x ,
image text in transcribedimage text in transcribedimage text in transcribed

A process is normally distributed with a mean of 104 rotations per minute and a standard deviation of 8.2 rotations per minute. If a randomly selected minute has 128 rotations per minute, would the process be considered in control or out of control? A. In control as this one data point is not more than three standard deviations from the mean B. In

problem 4. Class Intervals (f) 30 - 34 10 35 - 39 14 40 -44 26 45 - 49 35 50 - 54 23 55 - 59 19 60 - 64 15 65 - 69 6 70 - 74 4 Please compute for the ff with explanation a.Coefficient of skewness b.Mean c.Median d.Standard Deviation

1.What does it meant to actively listen? wire measuring 536 cm long is cut into two parts such that the longer part is three times as long as the shorter part. What are the lengths, incm, of the two parts?134 cm & 402 cm 144 cm & 392 cm 134 cm & 402 mm 124 cm & 412 cm None of the above 5.what is the following formula for V=r2hvolume of a cube

Math 225 week 4 Create a function that has two x's and two y's in it. We will assume that y is a function of x. You may use product rule or quotient rule, but not both. I will post a couple of examples, but let's keep this fairly simple

The coefficient of determination of a set of data points is 0.766 and the slope of the regression line is negative 4.28. What is the linear correlationcoefficient?

You have gathered data on 15 of your retail stores. You are considering a new compensation structure of 15% commission on sales or paying $25 per hour. Based on the data, compare and contrast the two compensation structures and select the compensation structure that you believe is appropriate. Support your decision. What kind of graph should I use
image text in transcribed

Based upon the probability distribution chart in the case study report, does it appear that, in general, the Neulnders were successful in signing more than one family from a parish? Does it seem likely that most of the families knew one another prior to undertaking the voyage? Explain your answers for both questions. Probability Distributions for
image text in transcribed

Function g is defined as g(x) = -4x5 - 8x3 + 12x. Which of the following statements is true? g(x) = g(-x); function g is even g(-x) = -g(x); function g is odd g(-x) = -g(x); function g is even g(x) = g(-x); function g is odd

Given that MN and XZBC , find mXMZ . The figure shows two circles centered at points M and N. Points X, Z lie on the first circle. Points B, C lie on the second circle. Angle X M Z measures 6 times x minus 69 degrees. Angle B N C measures 4 times x minus 22 degrees. 204 97.2 72 23.5

(a)A recent article in Nairobi Post Weekly Edition indicated that about 80% of the estimated Sh.200 billion of federal housing subsidies consists of tax breaks (mainly deductions for mortgage interest payments and preferential treatment for profits on home sales). Nairobi County housing benefits average Sh.8,268 for those with incomes between

A trucking company wants to find out if their drivers are still alert after driving long hours. So, they give a test for alertness to two groups of drivers. They give the test to 400 drivers who have just finished driving 4 hours or less and they give the test to 585 drivers who have just finished driving 8 hours or more. The results of the tests
image text in transcribed

Assume that the significance level is alpha equals 0.05. Use the given statement and find the P-value and critical value(s). The test statistic of z equals negative 1.36 is obtained when testing the claim that p equals one half. P-value equals?

The one-time fling! Have you ever purchased an article of clothing (dress, sports jacket, etc.), worn the item once to a party, and then returned the purchase? This is called a one - time fling . About15%of all adults deliberately a one-time fling and feel no guilt about it! In a group ofnineadult friends, what is the probability of the following?

OPTIMIZATION : 1. The following tableau is an optimal LP tableau where x3, x4, *5 were the original slack variables. Use matrix multiplications to reconstruct the original LP and then compute the optimum objective value. Show your work. Hint: Use the inverse of the inverse matrix embedded in the tableau. Basic X1 X2 X3 XA RHS Z 0 0 0 3 2 X3 0 0 1
image text in transcribed

Calculate the total surface area of the candy (including the circular ends) and the volume of the candy. Surface area = Answer 1 Question 2 44 cm2, volume = Answer 2 Question 2 19 cm3. (Round your answers to the nearest whole number.) Find the surface are if diameter of the circular top is 4 cms and height is 1.5 cms

thanks for helping The amount of time adults spend watching television is closely monitored by firms because this helps to determine advertising pricing for commercials. Complete parts (a) through (d). (a) Do you think the variable "weekly time spent watching television" would be normally distributed? If not, what shape would you expect the
image text in transcribed

Joan's Nursery specializes in custom-designed landscaping for residential areas. The estimated labor cost associated with a particular landscaping proposal is based on the number of plantings of trees, shrubs, and so on to be used for the project. For cost estimating purposes, managers useone and a halfhours of labor time for the planting of a

Assessing social distancing and anxiety as a result. What would be an example(s) of an interval level question(s)?

For the hyperbola defined by the equation x 2 4 y 2 25 = 1 , identify the equations of the slant asymptotes. (Don't forget to think carefully about the values of a and b .) The equations of the slant asymptotes are ? = and ? = . (Enter the equation with the negative slope first.)

Convert the following angle to decimal degrees. alphaequalsnegative 75degrees38'29

A random sample of 33 individuals is selected from a population, and these individuals are then randomly assigned to 3 treatment groups (such that each group has an equal number of individuals). The following ANOVA table summarizes the results of measurements taken from each individual, within each group, on a characteristic of interest. Due to
image text in transcribed

A researcher wants to determine if there is a relationship between gender and academic major (split into STEM & non-STEM fields). Which hypothesis test would be appropriate for this example? This is the entire question.

(a) Negative seven squared X (b) The opposite of the square of seven X
image text in transcribed

Identify a sampling distribution for a given scenario. Consider a set of cards that has four cards labeled 2, 4, 6, and 8 Suppose you pick two cards, without replacement, to obtain the mean of the two numbers that are drawn from the set. Which of the following tables shows the sampling distribution?

anyone could give me the detailed information that how to explain this bayesian method? 7.3 Australian crab data: The les bluecrab.dat and orangecrab.dat con tain measurements of body depth (Y1) and rear width {E}, in millimeters, made on 50 male crabs from each of two species, blue and orange. We will model these data using a bivariate normal
image text in transcribed

Fast forward to post-Covid times: Isabel and I go to San Diego Comic-Con and collect the data using the sampling method described in part b of the previous problem. We ask 500 people whether they believe there is intelligent life on other planets, and 298 of them say yes. Compare these results to the Ipsos poll described in problem 8 to test

8. Name the type of non-sampling error AND why you selected this type. a. Random sampling resulted in 3 participants in a study of weight gain while eating 3 candy bars a day. b. A pharmaceutical company funds research for a new drug
image text in transcribed

Thank you! The time to complete an exam is approximately Normal with a mean of 55 minutes and a standard deviation of 2 minutes. The bell curve below represents the distribution for testing times. The scale on the horizontal axis is equal to the standard deviation. Fill in the indicated boxes. u-SU p-ZO u-U p l-H'U \"+20 \"+30 7* r
image text in transcribed

Bloom's Taxonomy Exercise Take the idea of 1) How do you know it? 2) How do you understand it? 3) How can you apply (use) it? 4) Analyze it: 5) Synthesize it: 6) Evaluate it
image text in transcribed

Find an equation of the plane. The plane passes through (0, 0, 0), (4, 0, 6), and (-5, -1, 6). Submit
image text in transcribed

Consider the following data: \f\f
image text in transcribedimage text in transcribed

What is the correct order for the recovery in the elementary backstroke ? airplane, monkey soldier soldier, monkey, airplane monkey, soldier, airplane monkey, airplane, soldier

need done in excel with formulas Bark's Pet Company produces canned cat food caled Meow Chow and canned dog food called Bow Chow. The company produces the pet food by blending horse meat, ground fish, and a cereal additive. Each week the company has 600 pounds of horse meat, 800 pounds of ground fish, and 1,000 pounds of cereal additive available

1.If n = 400 and X = 25, construct a 99% confidence interval estimate of the population proportion.

rewrite formally: "Just a few things: 1) I will get the gas and the gas line, but what length do you want of the gas line?2) I haven't found bedside lights that I like, but I will check next weekend when I have some time.3) Could you please replace the tiles that have holes in them in the bathroom when you replace the tiles that you're replacing

Find the area of the part of the surface z = x^2 + 2y above the triangle with vertices at (0, 0), (1, 0) and (1, 1). This is not a Tutot's work!!!!!!!!!!!!!!!!!!!

Q2Using your earlier formulated research topic (title) (Oneare of study is theeffectof supplements on contraction of COVID 19. Your research question would be: Does Vitamin C or Vitamin D have an effect on contractingCovid19. Your alternate and null hypothesis look good. You would randomly assign a group of 100 participants to either take Vitamin
image text in transcribed

Statistical Machine Learning Problem 1 (Regression Trees. ISL 8.4) (a) Sketch the tree corresponding to the partition of the predictor space illustrated in the left-hand panel of Figure 1. The numbers inside the booms indicate the mean of Y within each region. (b) Create a diagram similar to the left-hand panel of Figure 1. using the tree
image text in transcribed

Using this relative frequency table find the mean LENGTH. Notice that this mean I different than if you found the mean using the raw data. Show your work. What percentage of bears had a body length between 50 to 60 inches
image text in transcribed

The average lifetime of a certain new cell phone is 4 years. The manufacturer will replace any cell phone failing within 3 years of the date of purchase. The lifetime of these cell phones is known to follow an exponential distribution. What is the decay rate? (Enter your answer as a fraction.)

Misinterpretation is a common problem when using statistical information. It may be caused by a number of factors, such as misunderstanding the data, using incomparable definitions, or even deliberately misinterpreting the information. Please describe two (2) recent examples in real life where statistics are misinterpreted. Explain in detail how

The reference desk of a university library receives requests for assistance. Assume that a Poisson probability distribution with an arrival rate of 10 requests per hour can be used to describe the arrival pattern and that service times follow an exponential probability distribution with a service rate of 12 requests per hour. What is the

The population of certain country is known to increase at a rate proportional to the number of people presently living in the country. If after two years the population has doubled and after three years the population is 20000. Find the number of people initially in the country

A market research company wishes to know how many energy drinks adults drink each week. They want to construct a 85% confidence interval with an error of no more than 0.08 . A consultant has informed them that a previous study found the mean to be 7.7 energy drinks per week and found the standard deviation to be 0.7 . What is the minimum sample

Which of the following starts with the initial claim of identity and a request to create a set of credentials for that identity? This type of question contains radio buttons and checkboxes for selection of options. Use Tab for navigation and Enter or space to select the option. option A Entitlement option B Provisioning option C Deprovisioning

An economy consists of twoindustries: agriculture and livestock. To grow 1 bushel of agricultural produce requires internal consumption of 0.25 bushel of produce and 0.5 head of livestock. Raising 1 head of livestock requires internal consumption of 0.7 bushel of produce and 0.3 head of livestock. Find the gross production needed to meet a market

Bitte interpretieren Sie die folgende Grafik/ Please interpret the following graphic. Preferably in german. \f
image text in transcribed

A researcher thinks that if hip-surgery patients go to physical therapy three times a week, instead of the usual twice a week, their recovery period will be shorter. In the past, population mean recovery time for hip-surgery patients who attended twice a week was 8.2 weeks. A random sample of 81 hip-surgery patients is selected. Each patient is

3. A large bank establishes X and R charts for the time re- quired to process applications for its charge cards. A sample of five applications is taken each day. The first four weeks (20 days) of data give X = = 16 R charts. min s = 3 min R = 7 min Based on the values given, calculate the centerline and control limits for the X and
image text in transcribed

I need help finding the measure C of this triangle... a=185 yd, b=37 yd, c= 135 degrees I know the formula to use is c^2=a^2+b^2 - 2ab cos y so that gives me... C = 185^2+37^2 -2(185)(37) cos 135 degrees But I just cant figure the angle of C. Im not real familiar with using cos function.

A student claims that she has found an easy way to find the number of terms in an arithmetic sequence: "You take the difference between the last and first terms and divide by the common difference." How do you respond? Question content area bottom Part 1 Choose the correct answer below. A. The student is incorrect. The student would be correct if

I need helpp with this page thanks -/3 POINTS AUFEXC4 13.1.010.MI. MY NOTES exist, enter DNE.) Find the mean, the median, and the mode(s), if any, for the given data. Round noninteger means to the nearest tenth. (If there is more than one mode, enter your answer as a comma-separated list. If an answer does not -8.9, -2.4, 4.3, 4.3, 6.4, 8.5, 9.3
image text in transcribed

Which of the following studies uses a matched-sample design? Group of answer choices none of the above A sample of children is tested for vocabulary skills at age six and them again at age ten. Subjects are assigned to one of two treatment groups so that the groups are equivalent in terms of IQ. Then the effect of study method on grades is

Question 1 An airline knows from experience that the distribution of the number of suitcases that get lost each week on a certain route is approximately normal with = 15.5 and = 3.6. During a given week: 1.1. What is the probability that the airline will lose less than 10 suitcases? 1.2. What is the probability that the airline will lose between

Find the inverses of each of the functions below algebraically. p(r) = 2r^2 + 2r -1 3y + 5x =18 h (t) = -4.9 (t - 3)^2 + 45.8

From the following data, you are required to: a. Fit the regression line Y on X and predict Y if x=20 b. Fit the regression line X on Y and predict X if y=10 X 4 12 8 6 4 4 16 8 Y 14 4 2 2 4 6 4 12

1. Determine what value(s) of x make the following rational expression undefined: 2x-16 x2-14x+48 3x+12 2. Simplify: [2] x2-5x-36 3. Simplify the product of the following rational expression: x2 - 9 4x - 12 12x + 36 x - 3
image text in transcribed

According to the South Dakota Department of Health, the number of hours of TV viewing per week is higher among adult women than adult men. A recent study showed women spent an average of 27 hours per week watching TV, and men, 23 hours per week. Assume that the distribution of hours watched follows the normal distribution for both groups, and that

An article in the San Jose Mercury News stated that students in the California state university system take 4.5 years, on average, to finish their undergraduate degrees. Suppose you believe that the mean time is longer. You conduct a survey of 49 students and obtain a sample mean of 5.0 with a sample standard deviation of 1.4 and then perform a

( points) 3. If two different people use the same dichotomous key to identify the same organism, should they have different results? Explain.
image text in transcribed

The demand model p 0.02 x 19gives the price per model (in dollars per novel) p when x novels are sold. The cost (in dollars) for publishing x novels is given by C x 4 x 19. a. How many novels should be sold in order for revenue to be a maximum?

(D) Report a point prediction of and a 95 percent prediction interval for the actual demand for Fresh in an individual sales period when the price difference is .10. (Round your answers to 3 decimal places.) _|
image text in transcribed

How do you see or will see yourself as a leader
image text in transcribed

A generation is about one-third of a lifetime. Approximately how many generations have passed during the last 2,000 years?

Fred arranged a variable rate mortgage. The most important concern related to his mortgage is Question 3 options: Possible rate increases throughout the term Background of different mortgage companies The renewing term after 5 years The total length of the mortgage

A survey is made in a neighborhood of 80 voters. 65 are Democrats and 15 are Republicans. Of the Democrats, 35 are women, while 5 of the Republicans are women. If one subject from the group is randomly selected, find the probability the individual is a Democrat or a Republican.

erau esci 202 You are to complete the following: Model, analyze, and plot (1st plot) your work from module 7 with the new specimen dimensions and properties. Adjust (transform) your model to accommodate for a test misalignment error noted in the fixture of 3 degrees (eccentric loading state) and correct (2nd plot) your 1st. State, with supporting

If X is a normal random variable with a mean of 45 and a standard deviation of 8, find the following probabilities: a. P ( X 50). b. P ( X 32). c. P (37 X 48). d. P (50 X 60). e. P ( X = 45).

using matlab Part II Coding and Using a MATLAB function A right-circular cone can be defined by r, the radius of its base, and by h, the line from the center of its base to its apex. It has three other values, viz. its slant, s, the length of the line from any point on its circumference to the apex, its surface area, a, and (of course) its volume,

Rather than saying "red is a factor of dark green" we could equivalently say that "dark green is a multiple of red". Among your ten different rods, which ones are factors of blue? Select all that apply. Question 13Answer a. white b. red c. light green d. purple e. yellow f. dark green g. black h. brown i. blue j. orange

Explain why thet-distribution has less spread as the number of degrees of freedom increases. Choose the correct answer below. A. Thet-distribution has less spread as the degrees of freedom increasebecause, as nincreases, s becomes closer to by the law of large numbers. B. Thet-distribution has less spread as the degrees of freedom increase because

There is a 50% chance that a women over 50 has cancer. The following data was gathered: 1.1% of women over 50 years of age have breast cancer. 89.5% of women who have breast cancer tested positive on a mammogram. 8% of women had false positives. How would display the probability in a table and/or tree?

What is the probability that a randomly selected survey respondent either is a current subscriber or prefers the new plan? 2) (4 points) What proportion of current subscribers prefer the new plan, and what proportion of former subscribers prefer the new plan? 3) (4 points) Is being a current subscriber independent of preferring the new plan? Name

ylee Gillean - OMM Moral Di X Schoology + et/common-assessment-delivery/start/7472494487?action=onresume&submissionid= 1435408786 KLEIN ISD Courses v Groups v Resc A PROMISESPURPOSE 09/05 Lesson 4-3 Practice POSSIBLE POINTS: 18. Given f(x) = [x + 41-1 (if you need to use oo in an answer type the word "infinity") It's vertex is the graph of f(x)
image text in transcribed

Given the circumference of a circle C = 21.98 feet and PI=3.14, find the length of the diameter, d, and radius, r. If needed round your answers to the nearest tenth. a. Define the unknown quantities in terms of one variable. b. Translate the question into an equation. c. Solve the equation, showing all work. d. Write a complete answer to the

A cp of 0 means there is no process variability. Group of answer choices True False

The Framingham Osteoporosis Study is a famous study which tracked 1125 men and 1413 women starting in 1971 and continuing through 1995. Every four years, participants returned to their doctor to answer a questionnaire about their lifestyle and habits as well as to have an examination. Doctors recorded multiple variables about each individual

wire measuring 536 cm long is cut into two parts such that the longer part is three times as long as the shorter part. What are the lengths, incm, of the two parts?134 cm & 402 cm 144 cm & 392 cm 134 cm & 402 mm 124 cm & 412 cm None of the above 5.what is the following formula for V=r2hvolume of a cube volume of a cylinder volume of cone 6.Find

The accompanying figure shows the first three equilateral triangles in an infinite sequence of successively smaller equilaterial triangle formed by connecting the midpoints of the sides of the preceding larger triangles. The largest triangle has sides of length 4. (a) Write the infinite series that represent the total perimeter of all the

Florencia explains to Samuel that she is going to use an upright scale to weigh and measure him. Before he got on the scale, Samuel used the restroom and then took off his shoes. He steps onto the scale, facing the weights, and Florencia adjusts the weights until they balanced out. She records his weight and then moves the height bar into position

True or False 10! > 10 ^10 (10 to the 10 power).

Match the following degree measure with its angle. 240degrees

T-bills are issued with initial maturities of: 1. 4 weeks II. 16 weeks III. 26 weeks IV. 32 weeks A. I and II only; B.I and Ill only; C. I, II, and Ill only; D. I, II, Ill, and IV

Write the equation of the line that has slope, m =2/3 and goes through the point (3,7)

If there are 3 teaspoons in a Tablespoon, 4 Tablespoons in a 1/4 cup, then how many teaspoons are in 3/4? Question 18 options: 30 teaspoons 12 teaspoons 36 teaspoons 48 teaspoons 24 teaspoons

2. Can more than one dichotomous key be developed to identify the same group of organisms? Explain. To answer this question, refer to this lesson's dichotomous key for birds.
image text in transcribed

corrections Find the area of each shaded region. 16 in. 3 m 8 16 m 10 m A = - x bxh 1 x 8 x 8 2 = 64 1 m 2 Area = 32in 16 16 cm 8 ft 3 cm 15 cm A= Ibh 1 X 4 x 8 32 = 16 2020 Marshall Cavendish Education Pte Lid 2 Chapter 10 Area of Polygons Extra Practice and Homework Course IB
image text in transcribed

1) Determine the key features, if they exist, using the graph of the polynomial function shown. Assume all roots are at most order (multiplicity) three. [C - 10] a) domain using set (inequality) notation: b) range using interval notation: c) sign of a, and end behaviour: d) degree: e) symmetry: f) roots and their orders: g) value of a,: h)
image text in transcribedimage text in transcribedimage text in transcribed

A professor has recorded exam grades for 20 but one of the grades is no longer readable. If the mean score on the exam was 82 and the mean of the 19 readable scores is 86 what is the value of the unreadablescore?

Chapter 9, Question 12. Serum zinc levels for 462 males between the ages of 15 and 17 are saved under the variable name zinc in the data set serzinc [13] (Appendix B, Table B.1). The units of measurement for serum zinc level are micrograms per deciliter Mean 87.94 SD 16.005 (a) Find a two-sided 95 % confidence interval for , the true mean serum

A reproductive clinic reported 46 live births to 201 women under the age of 40 who had previously been unable to conceive. Complete parts a through d below. Click here to view page 1 of the cumulative standardized normal distribution table. Click here to view page 2 of the cumulative standardized normal distribution table. a) Find a 90% confidence
image text in transcribedimage text in transcribedimage text in transcribed

This is for the course Hospitality 101 What is the trend in market share of chains in food service? Explain this trend.

DoD Contracting Officers CANNOT allow contractors to charge profit on G&A expenses. True False

Showing 900 - 1000 of 1502
  • 10 / 16