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Mathematics Questions and Answers October 08, 2021

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10. Identify all restrictions on the variable x in the context of each scenario. a. Sunglass Hut in Southgate Mall received a shipment of sunglasses for $4500. While unpacking the shipment, a box was dropped and 10 pairs of sunglasses were broken and cannot be sold. Sunglass Hut management sells the remaining sunglasses for $8900, making a prot of
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Please Help me Thank you ' 'CENGAGE I MINDTAP I. Ch 1 1: Assignment - Introduction to Hypothesis Testing Attempts: I I Keep the Highest: / 3 1. Formulating null and alternative hypotheses and identifying Type I and II errors A Bureau of Labor Statistics (BLS) economist conducts a statistical study to test her hunch that in households with a
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To play this lottery, a person has to correctly select 5 out of 45 numbers, paying $1 for each five number selection. If the five numbers picked are the same as the ones drawn, without replacement, by the lottery agency, an enormous sum of money is bestowed, (although if you win, you make the wise decision to stay in school).The order of the

o The quote below says that in addition to the many examples of symmetry in art, nature, and construction, "Pattern symmetry can be observed in the multiplication table, in numbers arrayed in charts, and in Pascal's triangle." Give several specific examples that illustrate this last claim

1. Solve for unknown: 19(1 - r)=18.1 Turn answer to percent andkeep answer to the tenth. DO NOT enter % symbol. 2. Solve for unknown: 18/1.8=x/9.5 Keep answer to the one 3. Solve for unknown: 30.5=8.2+0.2p Keep answer to the tenth 4. Solve for the unknown -2x/5+3/2=-1/4 Solve as fractions.Reduce answer to lowest terms and keep as proper or

please reword/rewrite the following To demonstrate how I derive conclusions for an intelligence report from my analysis, consider this: at the conclusion of your analysis, you should be in a position to either validate or refute your initial hypothesis. Upon reaching your conclusion, you should be able to assemble facts from your raw data that

Se colectan muestras de tamao n = 5 de un proceso cada media hora. Despus de colectar 50 muestras, se calculan x = 20.0 y S = 1.5. Suponer que ambas cartas indican control y que la caracterstica de la calidad tiene una distribucin normal

Which of the following rules is NOT true? Do not hyphenate when using a prefix with a word starting with a vowel. Do not hyphenate when using a prefix with a word starting with a consonant. Hyphenate if the word that follows is capitalized. Hyphenate to join doubled prefixes

explain how the diversity of Aboriginal and/or Torres Strait Islander cultures will impact on service delivery.

Example 3: Prove Triangles are Congruent Using ASA A. Given: SQ bisects LRQT and LRST Prove: AQRS ~ AQTS R S
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QUESTION 14 If the mean is 30, the median is 20, and the mode is 10, then a. The distribution is skewed to the right b. The distribution is skewed to the left c. The distribution is symmetrical and normal d. The distribution is asymptotic QUESTION 15 When testing a hypothesis, we always assume a. What we are testing as our alternative hypothesis

Identify the holes in the following function: f(x) = (x^2+x-6)(x+8)/(x^2-4x+4)(x+3)

In a survey in a certain year of married couples with earnings, 96% of all husbands were employed. Of all employed husbands, 78% of their wives were also employed. Noting that either the husband or wife in a couple with earnings had to be employed, find the probability that the husband of an employed woman was also employed. (Round your answer to

Purchases Salary Wages Land building/ rental Cash register rental Repairs/ maintenance Utilities Point of Purchase Catalogue Newspaper Trade Show Planting Instructions Credit Card Charges General/administration Interest
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Studies have shown that low vitamin D is associated with impaired fertility, endometriosis, and polycystic ovary syndrome. Vitamin D regulates the antimullerian hormone (AMH), follicle-stimulating hormone, mRNA, and expression of genes in reproductive tissues, implicating a role in female reproduction. Lata et al. conducted a prospective study to

Find the area of the figure below when the apothem is 8 feet, the base is 5 feet and the radius of the circle is 4 feet

Respond to the following: When studying roots, you most often see square roots and cube roots; only occasionally do you see the fourth or fifth root. However, it can be interesting to consider other possible roots. To consider other possible roots, answer the questions here: a whole number, n , that is larger than 5. To keep things interesting,

9. Wrench sets designed for SI bolts often include wrenches at 1 mm increments while wrench sets designed for imperial bolts often include wrenches at increments. With only a metric 16 wrench set on hand, which metric wrench would best fit a 5 - bolt
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Mathematical thinking especially with the think-write-pair-share gave students an opportunity to think about the math problem, write out the process for completing the problem, pair up with a neighbor and share the information. rephase and add words

The following data represents the dissolved oxygen readings in ppm taken upstream and below stream from a community river. Above 5.2 4.8 5.1 5.0 4.9 4.8 5.0 4.7 4.7 5.0 4.7 5.1 5.0 4.9 4.9 Below 4.2 4.4 4.7 4.9 4.6 4.8 4.9 4.6 5.1 4.3 5.5 4.7 4.9 4.8 4.7 Using alpha = 0.01, Perform a hypothesis test to test whether the mean oxygen levels upstream

4 of 10 If f (x) = 2(x)? +5(x+2) , complete the following statement: The domain for f(x) is all real numbers greater than or equal to Answer here

Question 3. Prepare an analysis of variances for the first quarter of the year to help her understand what caused the differences between the results. Provide her with as much detail as you can give the available information, that is, volume variance, price variance, and quantity variance. Be sure to indicate whether those variances were favorable
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A psychology instructor introduced some modifications to her teaching methods, and would like to know how effective they are. She teaches 2 sections: one section includes these modifications, while the other does not. She compared the scores on a standardized test for the 278 students in her modified section with the scores of the 320 students in

MC Select the correct answer: A test to evaluate the function of the thyroid is a(n) Multiple-choice question. Select the correct answer. A test to evaluate the function of the thyroid is a(n) multiple choice CGM. GTT. HRT. TFT

n a class, the median weights of students is 160 pounds. Which of the following is true? Question 39 options: a) Half of the students weigh less than 160 pounds b) Most of the students are heavier than 160 pounds c) Most the students weigh 160 pounds d) Most of the students weigh less than 160 pounds

Prove that: ln(p/p0) = -z/H is equivalent to p=p0 exp (-z/H)

what is a derivative, and how does the power rule work? ex: find f'(x) for f(x)=3x^4 ex: find f'(x) for f(x)= 5x^2-3x+6

he following table of data is to be used for single-factor ANOVA. Level of Factors 1234 1)16 9 15 14 Replicates 2)17 14 14 14 3)14 10 13 11 (a) Find x 3, 2 . (b) Find x 4, 3 . (c) Find C 3 . (d) Find x . (e) Find( C i ) 2 .

The following table summarizes the different hypothesis test distributions and when each is used. Use this table when completing this Assessment. Which Statistical Test Do I Use? Test Requirement Z Test Normal distribution Population mean known Population standard deviation known Sample size is greater than 30 if not normal Quantitative variables

The graph illustrates a normal distribution for the prices paid for a particular model of HD television. The mean price paid is $1400 and the standard deviation is $135. (unable to attach graph) What is the approximate percentage of buyers who paid more than $1670? _________________________% What is the approximate percentage of buyers who paid

16. Point E is the midpoint of the chord MP. HJ is a diameter of the circle. C is the centre of the circle, and ZHCP = 130. H 130 P E M Determine the following angle measures. Justify your answers. a) ZHMP b) ZHEM c) ZMHJ d) ZMPJ e) LPCE f) ZCPE
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A portfolio consists of two stocks, with their annual returns denoted as X and Y. Their joint probability distribution is given in the following table: X (return, in percent) 23 __________________ 5 0.100.30 Y __________________ (return, in percent)100.400.20 __________________ a)What is the probability of stock X earning 3 percent per year, given

3. Given the two functions h(x) = log, (x) +3 and g(x) =427 1. The domain of k(x) = (hog) (x) is O (1, too) O (0, too) O (3, +0o) O (-0o, too)
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X Y 3 5 4 2 1 5 2 3 4 6 6 4 How do you compute the correlation between X and Y. a).08 b).10 c).71 d).69

Based on a survey, when 1009 consumers were asked if they are comfortable with drones delivering their purchases, 42% said yes. The probability of randomly selecting 30 of the 1009 consumers and getting exactly 24 who are comfortable with the drones is represented as 0plus. What does 0plus indicate? Does 0plus indicate that it is impossible to get

State whether each of the following is an example of a positive correlation or a negative correlation. Higher education level is associated with a larger annual income. Increased testosterone is associated with increased aggression. The smaller the class size, the more students believe they are receiving a quality education. Rising prices of

**Need you own answers not those that you have unlocked; Management skills in the healthcare setting are composed of sets of competencies essential for healthcare professionals who effectively and efficiently manage a variety of medical, nursing, or public health resources to attain goals that ideally align with improving the overall health of the

Let me know if you have any question Ch 1 1: Assignment Introduction to Hypothesis Testing 5. Testing the population mean when the population standard deviation is known Lenders tighten or loosen their standards for issuing credit as economic conditions change. One of the criteria lenders use to evaluate the creditworthiness of a potential
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Question 3 Which equation best represents this graph? -7 6 -5 -4 -3 -2 -10 2 3 4 5 6 7 0 is on in to is is Select one: O y = - 2x-3 1 3 O - 3 O y = 2x 3
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true or false If the z-score of a data value is negative, then the data value is larger than the mean of the underlying data set

Please help (1) Use the Recidivism.xIs data, conduct an independent sample t-test (alpha= .05) in Excel to determine whether there is a significant difference in AGE between those who recidivated (RECIDIVISM=1) and those who did not recidivate (RECIDIVISM=0). For this t-test, assume that the variances of the two groups are equal. Copy and paste
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Practice question Find the equation of a line parallel to 2x + 3y = -6, and through the point (5,0). Then write the equation in slope-intercept form. Round your answer to three decimal places if necessary. X +
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l. [9 marks] Suppose a gray-level image of type uintB is stored in the le 'circlesl .png' in your current MATLAB working directory. The image contains small dark non-overlapping circles on a contrasting light uniform background as shown in Figure 1. Using only the functionality of the base MATLAB package and the Image Processing Toolbox, what
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11 x Plot the points with polar coordinates -6, and using the pencil. 3 3, 6 WIH X GIH 6 6 4
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After reviewing the scatterplot, what interpretations can you make about the linear relationship

If T1 and T2 be two unbaised estimator of () with variance 1 2 , 2 2 and correlation . What is the best unbiased linear combination of T1 and T2 and what is the variance of such a combination?

One hundred teenagers were recruited to participate in a study. Participants agreed to have an app installed on their mobile phones that recorded the time they spent interacting with the phone. For each person, the amount of time over the course of a week was recorded, and the results are shown in the histogram below. Intervals include the left

You have $60 and your sister has $120. You are saving $14 per week and your sister is saving $10 per week. How long will it be before you and your sister have the same amount of money? What amount would you have the same

15. Prove or disprove the following: Let n. be an integer. Then :12 + n. is: even if and only if n is even
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Select all the characteristics of melodic phrases. Multiple select question. They can be equal or unequal in length. They should end in a complete cadence. They are shorter sections of a whole melody. They are comprised of several melodies

A researcher was interested in the anxiety present in students just prior to the midterm exam. The researcher used on anxiety self quiz to gauge the students anxiety, The score for 30 students are given her 69 99 91 66 70 98 70 53 40 58 61 66 94 77 70 56 85 85 86 40 84 86 54 48 86 43 53 53 79 89 Construct a frequency table with the class

Question 1 Most colleges admit students based on their achievements in a number of different areas. The grade obtained in senior level English (A, B, C, D, or F) is an example of a ________ variable. Select one: a.Discrete b.Ratio scale variable c.Categorical Question 2 A type of vertical bar chart in which the categories are plotted in the

To help meet sustainability goals, considering offering a tax credit to residents who install energy efficiency improvements in their homes. They would like to know if this is an effective strategy to reduce residential energy usage in the city.this assignment shows the annual energy usage in kWh for a random sample of 250 detached single-family

Factor the following natural number. If the number is prime, state so. 113

1) I want you to survey 16 people (all 18 years old or older) from TWO groups! (total of 32 people!) 2) I want you to use the t test for independent data to compare the mean scores of 2 different groups. You will choose the 2 groups (e.g., men versus women). You will also choose the variable (be sure it represents the interval or ratio scale of
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Can you please explain in dimensional analysis 250 40) The provider orders normal saline with 20 mEq of KCL to infuse at 50 ml/hr. A 250 ml bag was hung at 11:00. What time does the nurse anticipate needing to hang the second bag of IV fluid
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(03.01 MC) Y'z' has endpoints located at Y'(0, 3) and Z'(-6, 3). Yz was dilated at a scale factor of 3 from the origin. Which statement describes the pre-image? YZ is located at Y (0, 9) and Z (-18, 9) and is three times the size of Y'Z. Yz is located at Y (0, 3) and Z (-6, 3) and is the same size as Y'z Yz is located at Y (0, 1.5) and Z (-3, 1.5)
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Researchers compared forest plots in Borneo that had never been logged (Group 1} with similar plots that had been logged 1 year earlier (Group 2) and 8 years earlier (Group 3). The study was not an experiment, but the authors explained why we can consider the plots to be independent random samples. The data on tree density, measured in number of
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2.In order to test a new production method, 15 employees were selected randomly to try the new method. The mean production rate for the sample was 80 parts per hour, and the standard deviation was calculated to be 10 parts per hour. a. Give a 95% confidence interval for the true mean production rate for the new method. b. Interpret the interval in

Thank you! Problem 4. Let Pr(x] denote the vector space of polynomials of degree at most n over F: Pa[x]- {ao taiIt ... + and" | a; (F). Consider the following function V : P2(x] X P3(x] > Ps[x] (f,g) fg. (a) Prove that I is bilinear. (b) By (a), I induces a linear map T : P2(x] @ Par] + Ps(x] such that T(f @ g) = fg. (You do not have to show that
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questions: 2. (a) Show that {2:3 32,33 - I} is a basis for the subspace W = {a E RalIl = pl\") = all} = U}- of R3 [2:]. Extend this basis to a basis for Bali] and hence find a complement of W in R3 [1-]. (b) Let 53 be the set of all real1 symmetric 3 x 3 matrices. Find a basis for the subspace 53 of E3"3 and hence determine dim 33. Extend this
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. Question 4 0/7 pts 0 3 99 0 Details If a cup of coffee has temperature 98"C in a room where the ambient air temperature is 25*C, then, according to Newton's Law of Cooling, the temperature of the coffee after t minutes is T(t) = 25 + 73e-t/51 What is the average temperature of the coffee during the first 34 minutes? average temp = Question Help:
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e) The work done by force vector eld F = (my, 3y2) moving the object over the path 0 on part a) and back to the point (2, 0). Is F Conservative
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Please solve..Thank u 3. Find a stationary point of function N/ 3 f(x) = _[(2-1+ 2i - 11)2 + (12i-1 + 23; - 7)21 i=1 for n = 10 using Polak-Ribiere conjugate gradient method with the Wolfe inexact line search. Starting point xo = (1, 1, . .., 1)' , convergence tolerance & = 0.001. Report the obtained point, the corresponding value of the objective
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Pls help me I have seen so many examples but I don't understand any of them... A triangle has two sides of length 20 and 16. What is the largest possible whole-number length for the third side? Submit
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. Suppose that A, B and 0 ate random variables jointly distributed so that all outcomes 0 5 A 5 cm USEEbmandggcoaIeequallylikely. (a) Find the joint density and distribution functions for A, B and C". ------------------------------------------------------------------- Text .- g 1-... (b) Suppose that we are solving the quadratic equation A32 + BI
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QUESTION 11 The following eight questions are related to the following scenario: A politician is interested in the issue of public broadcasting, and wants to know the opinions of her constituents. She is also concerned about a gender difference. She therefore hires someone to select a simple random sample of 676 women from her constituency, as
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1) A_ is the image for a 1. Ozy Books 09/13/20 11:46 72175 Keisha B MTH 215T 53981076 Check Show answer 2) A chair is what number? Check Show
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It is estimated that we can see craters with diameter of about 100 km with the naked eye. If the rate of bombardment is approximately 6.7 10-8 impacts per year, how many craters, of this size, does the Moon have today? (10 points) [Hint: What is the current age of the Earth?]

yesterday I went to the grocery store. I bought 6 cans of green beans for $1.54 each. I bought 11 potatoes for $.90 each. I bought 5 steaks for $7.98 each, and I bought 3 bags of salad for $2.50 each. What is the average price per item? (Round to the hundredth)

Please check my answers for #8 - #15.I have solved each of them, so please just check to make sure my work & answers are correct. If any are wrong, please give step-by-step guidance.Thanks! 8. Solve each equation for x. Give both an exact answer and an approximation to two decimal places. Show all algebraic steps and what you enter into your
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Which of the following graphs would you expect when plotting absorbance vs. concentration for a sustance's solutions that follow Beer's law: A = e l c ? (Assume absorbance is measured with the same solution cuvette, and wavelength is constant.) Group of answer choices A straight line with a slope of e and a y-intercept of b A downward curve with a

Transformation is a cognitive process in which students: Question 5 options: use a math idea or concept in a different context from where it was learned. take a problem or idea in one form and represent it in another form. use previously learned concepts in related, but somewhat different problems. identify meaningful relations or connections

7.) Your baby is born, and you want to make monthly payments into a college fund over the next 18 years. Your goal is to have $100,000 in the fund in 18 years. Assuming an APR of 5%, calculate how much you should deposit monthly
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An item is regularly priced at $49 . Carlos bought it at a discount of 15% off the regular price. Use the ALEKS calculator to find how much Carlos paid.

Create an ogive chart i)see picture B) reading from the ogive chart, roughly how many of the 36 bronze level plans have monthly premiums of about $175 or less?C) how many have monthly premiums of $210 or less?D) how many have monthly premiums of $275 or less? rage Ti Previous Page Next Page Page 9 of 16 Question 13 (1 point) Page 2: The Affordable
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CTQ: Productivity. Influence factor: Shift (morning, afternoon, night). You performed an equal variances test on the data from which the output is given. In the next step you want to study the difference in average productivity between the three shifts. To this end, which analysis should follow? 1 point Perform an ANOVA assuming equal variances.

Which of the following is/are described by the parameters of sound? Group of answer choices more than one of these choices the timbre of each sound the relative loudness of each sound how long a sound lasts the way a piece is structured

For the standard presented here, please answer the question below, selecting the BEST answer. CA CCSS Geometry G.CO.1: Know precise definitions of angle, circle, perpendicular line, parallel line, and line segment, based on the undefined notions of point, line, distance along a line, and distance around a circular arc. One key content-based

QUESTION 1 A building company plans to build a new warehouse. The cost of building the warehouse is an initial investment of 1500 thousand dollars, together with a further 200 thousand dollars at the end of each of the next two quarters. The building company will need to cover quarterly operating cost of 100 thousand dollars at the end of each of

Problem solving. Find the series solution & show the complete solution. \f
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As part of an evaluation of the efficiency of your local police force, you have gathered the following data on police response time to calls for assistance during two different years. (Response times were rounded off to whole minutes.) Convert both frequency distributions into percentages and write a paragraph comparing the changes in response

I need this question answered by 05/26/2020 webassign.net/web/Student/Assignment-Responses/submit?dep=23811388&tags=autosave#/question4607718_0 For this assignment, you submit answers by question parts. The number of submissions remaining for each question part only changes if you submit or change the ansv Assignment Scoring Your last submission
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06.03 Retirement Living Consumer Math ISVDRGIBZ 1' Module 06: Retirement All changes saved 1. (05.03 MC) choose the compound inequalitythat correctly shows how much Shania should spend if her current monthly retirement income is $2490.00 and she wants to keep her housing expenses between 22% and 32%. (2 points) 0 $779.13 5 x5 $1,131.32 0 $779.13
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The owner of a professional sports team sent out questionnaires to evaluate how well the coaching staff was doing its job. A questionnaire was sent to a random sample of 150 ticket buyers and asked, How well do you think our hardworking and competent coaching staff of our young and inexperienced team is doing? Eighty percent (80%) of the

. Question 9 0/7 pts 3 2 99 0 Details A tank contains 70 kg of salt and 2000 L of water. A solution of a concentration 0.0175 kg of salt per liter enters a tank at the rate 5 L/min. The solution is mixed and drains from the tank at the same rate. (a) What is the concentration of our solution in the tank initially? concentration = (kg/L) (b) Find
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Please Show all your work Exercise 3: Consider the following three sets: C 2 S1 := : x1 +42+23 = 0 and x1 - 22 + 24 = 0 X 1 DC 2 S2 := : x1+22+23 = 2 and x1 + 22 + 24 = 0 DC 3 1 JC 2 83 := : X12 + 4 = 0 (1) Is S1 a linear subspace? If yes, find its dimension, if not explain why not. (2) Is $2 a linear subspace? If yes, find its dimension, if not
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Please solve on paper and should be clear everything thanks! Given -5 2 3 7 Q = 210 3 O -1 a) (10) Find a non-singular matrix P such that P-'Q P = D is diagonal. Find D. b) (7) Find the spectral decomposition of Q c) (8) Identify a quadratic form associated with this matrix. Make an orthogonal rotation that eliminate the cross terms in this
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1. Use the following table of values to graph a line. Identify the slope and y-intercept. X y Slope = Yzy , X 2 - *1 -6x -4, - 3 - 4 - 7 - 3 - 6 - - 9 X -3 -3 yz y-4 =- 2 (X-6) 0 -2 - 9 3 -1 m= of 1 b = - 2
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A company declares a cash dividend on its common stock on December 24, Year One, payable to owners of record on January 2, Year Two, with checks to be mailed on January 9, Year Two. Which of the following statements is true
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A basketball player makes 80% of his free throws on average. The player attempts 50 free throws. Using normal approximation, find the chance that he will make exactly 42.

If the incidence rate of a very serious disease is 25/100,000 person-years and the prevalence of this disease in the population is 75/100,000, what is the average survival time of individuals who contract this disease?

The profit function for sales of two models of television sets at a chain discount store is given byP(x, y) =140x +160y -6x2+4xy -8y2-500, where x is the number of sales per week of model A,and y is the number of sales per week of model B. Find Px(10, 15) and interpret the result.

If X and Y are random variables with correlation x,y = 0.Then X and Y a. must be independent b. could be independent c. cannot be independent d. none of the above 2.If X and Y are random variables with correlation x,y does not equal 0.Then X and Y a. must be independent b. could be independent c. cannot be independent d. none of the above

Jaylen landed his dream job as a professional basketball player with atlanta hawks his salary $77250 his taxes are 32% what is his net monthly income A-2,472 B$2,060 C-$4,377 D$7,725 E-$6437

When 30 randomly selected customers left a convenience store, each was asked the number of items he/she purchased. 2 9 4 3 6 6 2 8 6 5 7 5 3 8 6 6 2 3 2 4 6 9 9 8 9 4 2 1 7 4 a. Construct an ungrouped frequency distribution for the data

A researcher has collected some data on the amount of time in seconds (to the nearest 0.1 second) that it took trained rats to run through a maze. The data is shown in the frequency distribution of grouped scores that follows. Class interval Frequency 7.6-7.9 7.2-7.5 6.8-7.1 6.4-6.7 6.0-6.3 W - A UA W O O - 4 5.6-5.9 5.2-5.5 4.8-5.1 4.4-4.7
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Which measure of central tendency cuts the distribution in half when the scores are arranged from low to high? Question 29 options: a) Mode b) Median c) Mean d) Range e) None of the above

Sam jogged 4.6 miles each day for 17 days last month. How many miles did she jog last month

Thank you! Problem 3. Let S : F2 - F3 and T : F3 - F- be two linear transformations represented by matrices 2 A = [S] = 2 and B= [T] = 5 8 5 Compute the matrix representing the linear transformation SOT : FOFF OF'
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