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Mathematics Questions and Answers November 26, 2022

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Johan buys eight mangoes from fruit seller. The proportion of stale mangoes with fruit seller is 0.1. what is the probability that johan gets 2 or more stale oranges

Stephanie signed up for a direct deposit transfer into her savings account from her checking account. Every month $150 is withdrawn from her checking account. The interest in the savings account is 2.6%, compounded monthly. How much will be in the savings account at the end of 6.5 years

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A researcher is testing a hypothesis of a single mean. The critical z value for = .05 and a two-tailed test is + 1.96. The observed z value from sample data is 2.85. The decision made by the researcher based on this information is to _____ the null hypothesis. reject change the alternate hypothesis into restate the null hypothesis redefine fail to

The mean weight of an adult is 67 kilograms with a variance of 81 If 57 adults are randomly selected, what is the probability that the sample mean would differ from the population mean by greater than 1.5 kilograms? Round your answer to four decimal places.

WAITINGLINES ANDQUEUINGTHEORYMODELSPROBLEMS The Schmedley Discount Department Store has approximately 300 customers shopping in itsstore between 9 a.m. and 5 p.m. on Saturdays. In deciding how many cash registers to keepopen each Saturday, Schmedleys manager considers two factors: customer waiting time (andthe associated waiting cost) and the

Watch the video and then solve the problem given below. Click here to watch the video.opens in a new tab Express the repeating decimal 0.676767... as a quotient of integers. Question content area bottom Part 1 Enter your answer as a fraction. 0.676767...equals enter your response here (Simplify your answer.)

An environmentalist wants to determine the relationship between the number of fires, in thousands, and the number of acres burned, in hundreds of thousands. Based on the data below, compute the value of the correlation coefficient for the relationship between the number of fires and the number of acres burned. Number of fires x 72 74 61 55 85 65

Q.1: Let M be an R-module and Y be an element of R (YER ) then that YM = sym : memb and My = $ mem , Ym= at one submodules of M
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For Exercises 10 - 12, f" and the domain of f are given. Assuming f is continuous on its domain, find (a) the partition numbers of , (b) the intervals of concavity of f, and (c) the x-values of any inflection points of f using the Concavity Test. 10. f"(x) = (x+6)*(x=3)(x=7); domain of f is (c0,0) 11 f"(x) =2x(x+4)(x8)'; domain of f is (c0,c0)
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Yes No Girls 42 110 Boys 95 53 a.If b represents the event of selecting a response from a boy, find the complement of b [P()]. b.Find the probability that the selected answer was no [P(no)]. c.If g represents the event of selecting a response from a girl, find the complement of g [P ()]. d.Find the probability that the selected answer was yes

What makes roundabouts safer than other at-grade intersections for vehicular movements? Explain in detail using sketches

stion 32 Instructions should be written in ____________________ using the imperative (command) mood

Please answer all geometry questions (PLEASE TYPE) 22. Find the coordinates of the orthocenter of the triangle with the given vertices: P(-1, 2), Q(5, 2), R(2, 1). In ASTR, H is the centroid, EH = 6, DH = 4, and SM = 24. Find each measure. LU A. SH B. TH 23. Compare the given measures using Theorems 5.12 or 5.13. Use the Exterior Angle Inequality
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The value of sin 585 is ( positive , negative, undefined, or zero ) because 585 is in quadrant ( I, II , III, or IV )

n this sequence, a 1a1equals=7, requals=44, and nequals=33. Substituting the values into the formula, a Subscript n Baseline equals a 1 r Superscript n minus 1an=a1rn1, you obtain a 3 equals 7 times 4 Superscript 3 minus 1a3=7431

With 90% confidence, for sample mean 353.00, sample standard deviation 10.00 and sample size 35, what is the upper confidence limit with 2 decimal places?

You recommend that the school district experiment with a computer mediated approach and compare with the textbook approach. The results of your research are posted below. Once the results were in, the school wants to know if there is a reliable difference in achievement levels between the computerized and standard textbook groups or is this just a

Suppose a person has a coupon to see a movie on one of the next six days. Given the schedule at the local cinema (which shows a different movie every night), the person's enjoyment from using the coupon would be as follows: If use the coupon on day 1, get 20 utils. If use the coupon on day 2, get 10 utils. If use the coupon on day 3, get 30 utils.

The Turners have purchased a house for $130,000. They made an initial down payment of $30,000 and secured a mortgage with interest charged at the rate of 9%/year compounded monthly on the unpaid balance. The loan is to be amortized over 30 yr. (Round your answers to the nearest cent.)(a) What monthly payment will the Turners be required to make? $

Upload the data from Tornado data and create What is the y-intercept and its interpretation? a scatterplot with x-axis represents number of tornadoes in August and y-axis represents number of tornadoes in October. Display the trend line as well as the equation and answers questions 1 to 5. What is the y-intercept and its interpretation?

Ricardo paid $33,643 for a new car. If the market value declines by 19% annually, how much will the car be worth in 4 years

Use the FOIL method to multiply the binomials. (5yminus4)(2yminus1)

The piecewise function g(x) is shown in the graph. Graph with three pieces. The first piece is a line, which decreases from the left through point negative 4 comma 5, with an open endpoint at negative 2 comma 3. The second piece is curved with a solid point at negative 2 comma 2 and an endpoint at 0 comma negative 2. The third piece is a

A researcher wants to determine an interval estimate for the average weight of all gorillas (in pounds). She wants to be 95% certain that she is within 5 pounds of the true average. From past studies, it is known that the standard deviation of the weights of gorillas is 11.6 pounds. How many gorillas should she sample to achieve these results? (a)

The population of fish in a large lake is known have a mean length of 15 cm and a standard deviation of 5. Assuming that the length of fish is normally distributed, what is the probability that a sample of 10 fish would have a mean length that is greater than 18 cm?

A university dean wishes to estimate the average number of hours that freshmen study each week. The standard deviation from a previous study is 2.6 hours. How large a sample must be taken if he wants to be 99% confident of finding whether the true mean differs from the sample mean by 0.5 hour?

Para preparar mi plato favorito de Chile, pastel de choclo, necesito muchos ingredientes. Primero necesito el choclo, que es el nombre regional del maz. Tambin necesito una mezcla de carne, un pollo al horno, azcar blanco, leche, salsa picante, huevos y sal. Primero, pelo el choclo y lo mezclo con la leche, la sal, el azcar y otros condimentos en

Gulf Real Estate Properties, Inc. is a real estate firm located in southwest Florida. The company, which advertises itself as an "expert in the real estate market," monitors condominium sales by collecting data on location, list price, sale price, and the number of days it takes to sell each unit. Each condominium is classified as Gulf View if it

State what additional information is required in order to know that the triangles are congruent for the reason given. 2) SAS A) BA = ST B) ZA=ZT C) ZB = LS or ZAELT D) ZC = LR or LB = LS Answer Attempt 1 out of 20 O A O B Submit Answer O c OD O M 3 Sign out Dec 19 8-16 1
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A fish tank in a pet store has 21 fish in it. 7 are orange and 14 are white. Determine the probability that if we select 4 fish from the tank, at least 1 will be white.

A teacher wants to see if a new unit on fractions is helping students learn. She has five randomly selected students take a pre-test and a post test on the material. The scores are out of 20. Suppose that you are about to compute a confidence interval for d , how do you check for normality?

Minimize c = 5x + y + 2z subject to X+y + z z 100 2x + y 2 90 y + z z 90 x 2 0, y 2 0, 2 2 0. C = ( x, y, z) = (
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1.Kahn Academy is a website that provides free videos, instruction, and practice for a variety of topics, including math. I want you to read a little more about this website, then use it to find a video or practice exercises that would help you with this weeks concepts. http://www.khanacademy.org/about Post the link that you find, and tell me your

Question 6 Question 6 (5 points) Solve the following inequality you must show ALL steps for full marks. 12x - 3
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Question 1 19- 9x1 >2 A) (-0, - 1) u - - 13 7 11 9 / 0 B) 9 9 C ) - 0 , 7 11 U D) 11 7 9 9 9 ' 9 OA OB Oc OD
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An inconsistent system of equations has no solutions. Question 5Select one: True False

The Dow Jones Industrial Average is computed by adding the prices of the 30 stocks in the index and dividing by a divisor. t or f

The amount of INCREASE that a store might do in order to make a profit. Question 3 options: Percent Markdown Markup Discount

An aircraft going from Atlanta to Savannah on a heading of 125 from North (N 125E) is travelling at a speed of 590 miles per hour. The wind is out of the north (that is, it is heading due South) at a speed of 20 miles per hour. Find the actual speed and direction (in bearing format) of the aircraft. Express actual speed to the NEAREST INTEGER MPH,

Tables at a wedding reception have six sides or eight sides and will be trimmed around the edges with lace. Each side on a given table is the same length, but a side on a six-sided table is 8 inches longer than a side on ane eight-sided table. One package of lace trims the eight-sided table with no excess. When the same package of lace trims the

When was the first biography of Jesus written down? Group of answer choices 70 AD 25 years AD 1000 BC Year 1 1979

Answer pls. i | ' A pension fund manager decides to invest a total of at most $30 million in U S Treasury bonds paying 5% annual interest and in mutual funds paying 8% annual interest. He plans to invest at least $5 million in bonds and at least $10 million in mutual funds Bonds have an initial fee of $100 per million dollars, while the fee for
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1. ACTUARIAL SCIENCE LTAM QUESTION 1. An 8-year fully discrete endowment insurance policy issued to (50) with death benefit 100,000 and endowment benefit 25,000 has a premium of 5000. The profit test basis assumptions are a pre-contract expense of 800 and renewal expenses of 5% of the premium, an annual effective interest rate of 6%, and mortality
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How do you find the percentage? The combined SAT scores for the students at a local high school are normally distributed with a mean of 867 and a standard deviation of 159. The local college requires a minimum SAT score of 869 before students are considered for admision. What percentage of students from this school have SAT scores that do not
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Use a calculator. Round to the nearest tenth of a degree. Given cos 6' = 0.8556, find 6. 9 = 31.2
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Prove that if G is a cyclic group with an odd number of generators, then G has only two elements
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A bimetallic bar is made by bonding together two homogeneous rectangular bars

A statistics professor would like to build a model relating student scores on the first test to the scores on the second test. The test scores from a random sample of 21 students who have previously taken the course are given in the table. Test Scores Student First Test Grade Second Test Grade 1 86 78 2 47 61 3 95 82 4 53 66 5 69 74 6 97 86 7 59

At the city museum, child admission is $5.60 and the adult admission is $9.50. On Sunday, twice as many duly tickets as child tickets were sold, for a total sales of $836.40. How many child tickets were sold that day?

Tree Growth : An evergreen nursery usually sells a certain type of shrub after 6 years of growth and shaping. The growth rate during those 6 years is approximated by dh/dt= 1.5t + 5, wheretis the time in years and h is the height in centimeters. The seedlings are 12 centimeters tall when planted (t = 0). (a) Find the height after t years. (b) How

679 45 Use the standard algorithm to find each product

For the first part the answer choices are Corresponding angles TheronVertical angles TheronAlternative exterior angle Theron Same side exterior angle theorem m A Unit 2 Post Test 15 Select the correct answer from each drop-down menu. In the figure below, " || V. Prove: $3 and $5 are congruent. 5 6 Statements Reasons 1 . u V given 2. $1 ~ $7 v 3.
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PLEASE HELP ME SOLVE THESE QUESTIONS. 1. Let ,u be the average systolic blood pressure of an individual. This person measures his blood pressure at different times and the values are as follows: 78, 70, 67, 80, 73, 85. (a) Compute an estimate for u, is the estimator you are using biased or unbiased, justify. (b) Can you provide an estimate for the
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What is the age distribution of patients who make office visits to a doctor or nurse? The following table is based on information taken from a medical journal \f
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A plant is already 13 centimeters tall, and it will grow one centimeter every month. Let H be the plants height (in centimeters) after M months

Let's eat! You go out for lunch with friends. Your total bill comes to $18.79. You have a coupon for 10% off your entire order, and you know you want to tip 17% of the original bill. What is the total amount you will pay for lunch? How much of that is the tip? [Answer] Income Tax You earn $40,000 per year and currently pay 12% of your income in

please write the full solution 1. Assume that A out of every 10,000 people have a positive test result for lung cancer, also assume that the probability of cancer given a positive test result(biopsy) is p, and the probability of disease given a negative test result is //10, 000. (a) (10 points) You can treat A, p, k as constants and compute the
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(3) alculate the cost for the fence to cover the total perimeter of the garden to be fenced after discount. ACTIVITY 4 - REPRESENTING DATA IN THE TABLE The table below shows the number of 5m garden fence rolls that can be used to fence the garden. (6) 4.1 Complete the table below: Number of 5m 2 3 4 5 10 20 rolls of the fence Perimeter of the 5 10
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Working as a field geologist, you identify an area where the rocks that crop out on the surface contain a significant amount of gold, though the gold is dispersed in minute crystals within the rock Chemical analysis of the rock content indicate that these rocks are gold ore reserve What is your reccomendation to the mining company? A) The company

( C ) a) What is the probability of drawing an A all three times? That is, we draw an A the first time and an A the second time and an A the third time
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Select multiple pairs of propositions that are logically equivalent. A. Inverse and contrapositive B. Conditional and contrapositive C. Converse and contrapositive D. Converse and inverse E. Conditional and converse F. Conditional and inverse

Find an equation of the sphere with points P such that the distance from P to A (1,5,2) is twice the distance from P to B (4,3,3).

Trevor was driving to work and saw another driver pulled over and receiving a ticket for speeding. Trevor drove carefully the rest of the way to work, thinking that "everybody is getting ticketed today." This is an example of the ____ heuristic

The comfort Supply company produces clothing, footwear and accessories for gymnastics. They produce three models of pointe shoes used by ballerinas to balance on the top of their shoes. These are produced from four materials, namely cardstock, satin, plain fabric and leather. They are in square inches of each type of material used in each model

Dr. Graham has a total of 552 patients. He left the hospital and patients were transitioned to the doctors listed below. What is the percentage of retaining for each individual doctor? Total f/u with Dr. Graham in 2023 552 patients Total patients transferred to Dr. Marean 6 Total patients transferred to Dr. Winkler 67 Total patients transferred to

Below are sketched some level curves of a function f(x, y). Which function's level curves are sketched? 3 1 3 3 -2 CO Select one alternative: of(x, y) = 4x - 2y + 3 of(x, y) = 2y + x -2 of(x, y) = 2y + 4x - 7 of(x, y) = x -2y+3
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Which of the following statements is NOT true about Workers' Compensation Insurance? Employers generally pay premiums in advance. Employers normally pass along the cost of coverage to employees. Premium rates vary based on risk and claims. Most states require employers to provide coverage.

An experiment in the product used in soaps which is called EDA. 10% of catalysts have poor performance 20% of catalysts have moderate performance, 50% of catalysts have good performance 20% of catalysts have excellent performance. Suppose someone randomly selects 12 catalysts for testing. Find the probability that 3 of them show poor performance,

Most graduate schools of business require applicants for admission to take the Graduate Management Admission Council's GMAT examination. Scores on the GMAT are roughly normally distributed with a mean of 527 and a standard deviation of 112. What is the probability of an individual scoring above 500 on the GMAT? Write the probability as a decimal

could someone please assist me with the following? thanks! You've already done this problem. Score on last attempt: 10 out of 1 (parts: * 0/0.2, *% 0/0.2, *$ 0/0.2, $ 0/0.2, *$ 0/0.2) Score in gradebook: 0 out of 1 (parts: * 0/0.2, * 0/0.2, * 0/0.2, * 0/0.2, * 0/0.2) Reattempt this question Try another similar question Question with last attempt
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3.6 The Cosine Law Assessment Questions {18 Answer the following questions. You must show your work for full marks! 'I. Solve for t. to one decimal place. [4 marks] R 2. Find the measure of angle G. to the nearest degree. You are given sides g. h. and i are 4.0 cm, 13 cm and 4.1 cm respectively. Make a diagram first. [5 marks]
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An experimental drug has been shown to be 75% effective in eliminating symptoms of allergies in animal studies. A small human study involving six participants is conducted. What is the probability that the drug is effective on half of the participants? A)0.132 B)0.868 C)0.50 D)0.20

The "mantra" for calculating GDP is A. Upper Y equals Upper C plus Upper D plus Upper G plus Upper X minus IM. B. Y = C + I + G + X minusIM. C. Upper Y equals Upper C plus Upper I plus Upper G plus Upper X plus IM. D. Upper G equals Upper Y plus Upper C plus Upper I plus Upper X minus IM

if two events a and b are not mutually exclusive and not independent then the probability of their union P(A or B) is

A math environment that is properly set up: Question 8 options: provides a variety of concrete materials in a diverse selection of learning centers. provides a variety of workbooks and worksheets that students can complete independently. is one in which the teacher is totally in control and sees that students follow directions exactly. has a

Suppose X and Y represent two different school populations where X > Y and X and Y must be greater than 0. Which of the following expressions is the largest? Explain why. Show all work necessary. X2+ Y2 X2 Y2 2(X + Y) (X + Y)2

Let U = {1,2, 3, 4, 5, 6, 7, 8, 9, 10}, A = {1, 2, 3, 4, 5} and B = {0, 3, 6}. Find \f
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Ann's collection of eleven albums includes one rock album. Ann will choose three of her albums to play on a road trip. (Assume order is not important.) A) How many different sets of three albums could she choose? b) How many of these sets would not include the rock album? c) How many of them would include the rock album

Question 5 of 45 We would like to change a column header in a QuickBooks Desktop report. To do so we...? A O Go to Customize Report and choose "Header/Footer" B O Export the report to Excel and change the column header in Excel CO Right click on the title that you would like to rename and overtype the title DO Go to the Report Center and choose
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The following n = 10 observations are a sample from a normal population. 7.47.06.57.57.66.26.87.76.57.0 (a) Find the mean and standard deviation of these data. (Round your standard deviation to four decimal places.) mean: standard deviation: (b) Find a 99% upper one-sided confidence bound for the population mean . (Round your answer to three

In this unit, you studied a handful of circle theorems. Research to find a circle theorem that wasn't presented in this unit and describe it in detail. Then write either a two-column proof or a paragraph proof for the theorem. Does the theorem that you proved relate to theorems that you previously studied? If so, how? How might your theorem be

If the teacher weights homework at 10%, Quizzes at 25%, Tests at 50%, what percentage is final exam? 25% 18% 20% D 15%

#12. Using the Step-Down Method for this problem. Now that you have calculated the new allocation rate for Accounting/Billing (use your choice from #11 - this will have to be rounded out to 3 digits). What is the amount of Accounting/Billing's related expense that you would allocate to the Routine Care Department? (Hint: round to the second
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E22.18 (LO 3,4) (Error Analysis) Peter Henning Tool Company's December 31 year-end financial statements contained the following errors. December 31, 2020 December 31, 2021 Ending inventory $9,600 understated $8,100 overstated Depreciation expense $2,300 understated An insurance premium of $66,000 was prepaid in 2020 covering the years 2020, 2021,
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Prove the following useful fact: The least-squares fit for a line through any set of points (x 1 ,y 1 ),...,(x N ,y N ) always passes through the "center of gravity" ( x , y ) of the points, where the bar denotes the average of the N values concerned

Please see attached photo E. Analyze the way of transformation in each figure to show congruence. Distinguish if it is ROTATION. TRANSLATION or REFLECTION. 1. R 2. 3 F. Tell which postulate will conclude that the following pairs of triangles are congruent. 1 . 2 . 3 4. G. Determine the additional corresponding parts needed to make the triangles
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Task 1 of 4 Portfolio (ACs 1.1, 1.2 & 1.3) Instructions As part of the application, you need to send a portfolio of documents. The aim is not only to display understanding, but also to show clarity of thought. The documents you are to create are as follow. 1. Draw a mind map to distinguish between the types of law in the UK Create a factsheet,
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According to a report published in May 2016, the average SAT score for 2016 was 1083, with a standard deviation of 193. For this exercise, we will assume that the SAT scores follow a normal distribution (use 3 decimal places). a) What is the probability that a student's SAT score is between 950 and 1200? b) What is the value of the third quartile

Participants is a study on learning were randomly assigned into one of the two treatment conditions. There a difference between the average exam grade for students who use note cards when they study, compared to those who only read their assignment? (Alpha=0.5) Note card users ---------------------- 6 2 3 3 5 7 Readers -------------- 1 4 2 2 3 1

please reply to the following attachment (2) Given the following picture of a piecewise-defined function, find the following limits, if they exist: A lim f(x) lim f(x) lim f(x) x-+1+ 3 lim f(x) lim f(x) lim, f(x) x-+2- f ( x ) lim f(x) lim f(x) lim f(x) x-+4- 20-+ 4+ 2 For each of x = 1, x = 2, and x = 4, is f (x) continuous? 2 3 X
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Homomorphisms from cyclic groups) List all distinct group homomorphisms from Z/12Z to Z/20Z. (Recall that a group homomorphism from a cyclic group is com- pletely specified by stating the image of a generator of the domain cyclic group.)

I need to work out the sample size required for a master degree research paper in psychology. Correlational study looking at side effects following breast cancer treatment (45 questions) assessing various areas and post traumatic growth ( 21 questions) with one overall score and 5 sub areas of growth.

One of the largest issues in ancient mathematics was accuracynobody had calculators that went out ten decimal places, and accuracy generally got worse as the numbers got larger. The famous Eratosthenes experiment, that can be found at https://www.famousscientists.org/eratosthenes/ , relied on the fact known to Thales and others that a beam of

Ask a new Question A worldwide organization of academics claims that the mean IQ score of its members is 118, with a standard deviation of 17. A randomly selected group of 35 members of this organization is tested, and the results reveal that the mean IQ score in this sample is 114.2 . If the organization's claim is correct, what is the

In testing a new drug, you would use the following hypotheses: H0: The drug is not effective. HA: The drug is effective a. In the context of this type of study what would constitute a Type I error? b. In the context of this type of study what would constitute a Type II error? c. If you wish to reduce the chance of making a Type I error what should

A tank contains 80 gallons of water. A hose is pumping water out of the tank at a rate of 5 gallons per minute. The function below gives the volume of water left in the tank after x minutes. f left parenthesis x right parenthesis space equals space 80 space minus space 5 x Is this function one-to-one on its practical domain left square bracket 0

The mayor of a town has proposed a plan for the construction of an adjoining community. A political study took a sample of 900 voters in the town and found that 62% of the residents favored construction. Using the data, a political strategist wants to test the claim that the percentage of residents who favor construction is above 59% . Testing at
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Solve and explain if this figure is similar by who if it no yus put NA \f
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