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Mathematics Questions and Answers August 02, 2022

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I need help to understand the model 1. Can you show your full work for Model 1 so I can know how to do with Model 2. Thank you so much! Scatter diagrams Overall Overal Model 1 - run a regression using only FoodDining as explanatory variable Model Summary Adjusted R Std. Error of the Model R R Square Square Estimate 422 178 132 2.37187 a.
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Express the confidence interval27.6% 7.4% in the form of a trilinear inequality. ________ %

Which of the following would be an example of the duration of behaviour? Question 3 options: How long it took for a child to write a prargraph The time between a starting horn and a swimmer leaving their starting block How far a runner ran How fast a pitcher threw a baseball

5) [ 6 pts. ] Suppose that local police are interested in determining whether the average speed of cars through a local intersection exceeds the local speed limit of 40 mph. They measure the speed (in mph) for a sample of 10 randomly selected cars passing through that intersection and collect the following data: 45, 59, 53, 50, 45, 49, 53, 38, 62,

Question: For this weeks discussion, you are asked to generate a continuous and differentiable function f (x) with the following properties: f ( x ) is decreasing at x = 5 f ( x ) has a local minimum at x = 3 f ( x ) has a local maximum at x = 3 Hints: use calculus before specifying a function f ( x ) , first determine requirements for its

HIV Testing Accuracy rate is 99%. First, label the percentages in the table. Second, locate the areas in the table that represents a false positive and a false negative test result. Fact: HIV/AIDS also called: human immunodeficiency virus, acquired immunodeficiency syndrome. HIV causes AIDS and interferes with the body's ability to fight

A researcher measures the relationship between the number of interruptions during a class and time spent "on task" (in minutes). Answer the following questions based on the results provided. Number of Interruptions Time Spent "On Task" 10 17 5 39 7 17 3 30 a. How do I compute the Pearson correlation coefficient. (Round your answer to three decimal

You are studying procrastination on your campus and find a measure with good norms for college students (mu = 4.37; sigma = .89). You test whether your sample mean on this measure is different from the general college population. Which of the following statistics would you use for your test? a one-sample z test a match pair design a one-sample t

I have recently been employed by HMS Nautical Inc to work on their submarine program.I have only some basic data to work with and no idea how to use it to get the information I need. Here is what I know. First, I know that our Subs have a maximum running depth of 500 feet below sea level.I also know that a sub functioning at acceptable levels

A survey of 244 SPC students was taken at registration. Of those surveyed: 62 students had signed up for a Math course 56 students had signed up for a Language Arts course 36 students had signed up for a Humanities course 15 students had signed up for both a Math and Language Arts course 5 students had signed up for both a Math and Humanities

If you use an AI generated answer, I will report you! Provide an answer on a piece of paper, if possible. Question from Galois Theory (2nd Ed.), Rotman Let f (ac) = (202 -2) (202 -3) (x2-5) E Q[x] and let E = Q(V2, V3, v5) be the splitting field of f (x) over Q. Find the Galois group GL(E/Q) of f (ac )
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If N7:1 increases slowly from 18 to 28, then at 28, which following statement is NOT true? When N7:1 is at 23 OUT and OTL are false and O:3/0 is true. When N7:1 is at 23 OTU, OTL, and O:3/0 are false. When N7:1 is at 28 OTU is true, OTL is false, and O:3/0 is true. When N7:1 is at 28 OTU is false, OTL is true, and O:3/0 is false

A poll of 2 comma 133 randomly selected adults showed that 94 % of them own cell phones. The technology display below results from a test of the claim that 92 % of adults own cell phones. Use the normal distribution as an approximation to the binomial distribution, and assume a 0.01 significance level to complete parts (a) through (e). Test of

please explain in details/steps 1. Given the following rational function : r(x)=( x 2 +5 x +6)( x 1)/ ( x + 3)( x 3 x + 4) (a) Find all vertical asymptotes and horizontal (or slant asymptote) and other discontinuity information. (b) Find the x-intercepts and y-intercept. (c) State the domain and range. (d) Graph the function.

there are two baskets containing red and green apples. An apple is drawn at random from the first basket, the colored is recorded, and than placed in the second basket. than an apple is drawn at random from the second basket and the color is recorded. What is the possibility of getting at most one red apple

A university would like to estimate the proportion of fans who purchase concessions at the first basketball game of the season. The basketball facility has a capacity of3,600 and is routinely sold out. It was discovered that a total of 3 0 0 fans out of a random sample of 5 00 purchased concessions during the game. Construct a 95% confidence

What is the age distribution of promotion-sensitive shoppers? A supermarket super shopper is defined as a shopper for whom at least 70% of the items purchased were on sale or purchased with a coupon. Age range, years18-2829-3940-5051-6162 and overMidpoint x 2334455667Percent of super shoppers5%46%22%9%18% For the 62-and-over group, use the
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a ) A farmer picks pumpkins from a large field. The farmer makes samples of 300 pumpkins and inspects them. If one in thirty pumpkins are not fit to market and will be saved for seeds, what is the expected value of the mean of the sampling distribution of sample proportions for the number of unfitted pumpkins? What is the corresponding standard

1. Wine recommendation: An organization of wine enthusiasts gathers data on the wines its members have in their collections. They use the box-of-wines representation, so the data consists of a list of wine types for each member, like so: Aligheri,D: "L'Inferno 00", "Beata Beatrix 83", "Averno 01", "Ad Astra 02" Maro,PV: "L'Inferno 00", "Averno

revenue function R(x) and the cost finction C(x) for a particular product are given. These functions are only valid for the specified range of values. Please find the the number of units that must be produced to break even. \f
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summarize Earn a rating of "Complete" on 8 of the 10 challenges Earn a rating of "Complete" on three of the four speeches Earn a rating of "Complete" on Midsemester Reflection Earn a rating of "Complete" on the "Who Are You" Video Earn a rating of "Complete" on the Course Grading Quiz

- Shortly after this in the class we stated with Difference-inDifference (DID) with panel data we can inference the [ ] by creating the interaction terrn. We used the same term when we said "with the DD] with panel data you can touch the [ ]". (c) Why do we square experience term and not the other independent variables in the wage equation? (d)
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Given P ( A ) = 0.4 and P ( B ) = 0.6, do the following. (For each answer, enter a number.) (a) If A and B are independent events, compute P ( A and B ). (b) If P ( A | B ) = 0.9, compute P ( A and B ).

In a naval exercise a destroyer S1 pursues a submerged submarine S2. Suppose that S1 at (9, 0) on the x-axis detects S2 at (0, 0) and that S2 simultaneously detects S1. The captain of the destroyer S1 assumes that the submarine will take immediate evasive action and conjectures that its likely new course is the straight line indicated in the

0? Question 2: (11 points) A professor asked her sophomore students, "How many drinks to you typically have per session?" (A drink is defined as one 12-oz beer, one 4-oz glass of wine, or one l-oz shot of liquor.) Some of the students didn't drink. Data is provided to you in the accompanying excel file by gender. We will assume that this sample is
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Answer each "True" or "False" question.Also, write out a brief reason justifying each response. A)Let f(x) = x-2x = x(x-2),for which f' (x) = 2x-2 = 2(x-1) and f'' (x) = 2. True or False: The critical numbers for f(x) are x = 0, x = 1, and x = 2. True or False:f(x) has no inflection points. B)Let g(x) = 3x 1/3 -x,for which g' (x) = x -2/3 -1

Find the y-value of the vertex of the parabola: f(x) = x 2 + 4x - 13

How do I Calculate the covariance between profits and market capitalization in excel

Let x be a random variable that represents the level of glucose in the blood (milligrams per deciliter of blood) after a 12 hour fast. Assume that for people under 50 years old, x has a distribution that is approximately normal, with mean ? =70and estimated standard deviation ? =21. A test result x M P all 69% 2:41 PM Let x be a random variable
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Keith Software - Infinite Geometry Nature Secant Angles Date Period Find the measure of the are or angle indicated. Assume that lines which appear tangent are tangent. 2) 31 175% E 6) 1945 70% 60% 120 Solve for x, Assume that lines which appear tangent are tangent. 10) 12x + 8

Question 7 (1 point) Suppose that a researcher wants to predict the weight of female college athletes based on their height and percent body fat. If a sampie' l5 taken and the following regression table' Is produced. what' is the correct conclusion about the regression slopes based on the Ftest alone? Predictor Coef Stdev trabio P Constant D.967
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These are three part problem that I am having trouble with. I am especially having trouble with parameterizing. I need answer and explanation. Thank you c) \f\f\f
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Prove or provide a counter example: Any two convex, closed and disjoint sets can be strictly separated.

ID School Enrolled 1 Arts and Sciences 2 Applied Science and Technology 3 Business and Management 4 Nursing 5 Public Service 6 Arts and Sciences 7 Applied Science and Technology 8 Applied Science and Technology 9 Applied Science and Technology 10 Applied Science and Technology 11 Business and Management 12 Business and Management 13 Arts and
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For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding. A random sample of5616physicians in Colorado showed that3170provided at least some charity care (i.e., treated poor people at no cost). (a) Let p represent the proportion of all Colorado physicians who provide some

A lecturer has given a test consisting of two parts. For a randomly selected student, let X be the number of points earned on the first part and Y be the number of points earned on the second part. Suppose the joint pdf of X and Y is given in the following table: X Y 0 5 10 15 0 0.02 0.06 0.02 0.10 5 0.04 0.15 0.20 0.10 10 0.01 0.15 0.14 0.01 (a)
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In preparing a report on the economy, we need to estimate the percentage of businesses that plan to hire additional employees in the next 60 days. I have been asked to answer the following fully, and show all my work. a) How many randomly selected employees must we contact in order to come up with an estimate in which we are 98% confident with a

If the probability of event A occurring is 0.5 and the probability of event B occurring is 0.5, what is the probability of neither event A nor B occurring? Question 4Answer a. 0 b. 0.5 c. 1 d. 0.25

Repeated Measures ANOVA Within Subjects Effects Sum of Squares df Mean Square F P Bizzarness 427 426.6 6.13 0.033 Residual 696 10 69.6 Combination 882 882.0 7.51 0.021 Residual 1174 10 117.4 Bizzarness ** Combination 491 491.1 6.91 0.025 Residual 711 10 71.1 Note. Type 3 Sums of Squares
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What is not an accurate statement about halfway houses

1. The sales comparison approach is being used to obtain an indication of the market value of a single family residence. The subject property is compared to the four properties that sold during the past year in the same neighborhood. Relevant characteristics of the subject and the comparables are presented below. Subject: current sale, fireplace,
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What type of test should you use to test the null hypothesis? Correct Answer: a. What is the null hypothesis? Correct Answer: c. What is the alternative hypothesis? Correct Answer: d. What is the critical value? Correct Answer: e. What is the value of the test statistic? Correct Answer: d. What conclusion should you make regarding the null

A simple random sample of 100 observations was taken from a large population.The sample mean and the standard deviation were determined to be 80and12respectively.Thestandard error of the mean is 8.00 1.20 .12 .80

Waterbury Insurance Company wants to study the relationship between the amount of fire damage and the distance between the burning house and the nearest fire station. This information will be used in setting rates for insurance coverage. For a sample of 30 claims for the last year, the director of the actuarial department determined the distance

Calculate the % Pd of Adj Bill in cell J4 by adding the Copay and Amount Owed and then dividing that amount by the Adjusted Bill. The numbers for this problem are 95.6 for insurance PAYD, 30 for Copay, and 125.6 for Adjusted Bill. What is the formula

A scholarship committee has $3000 to award this year and has 12 qualified candidates.Fran thinks that individual awards of $1500, $1000, and $500 would be appropriate, while Pat thinks that 3 awards of $1000 each would seem logical. Answer the following questions. a) Count the number of possible outcomes for each plan. b)Explain which plan would

7.1 8.) Find the critical value z/2 that corresponds to the confidence level 84%. z/2 =_____ 12.) A clinical trial tests a method designed to increase the probability of conceiving a girl. In the study 546 babies wereborn, and 273 of them were girls. Use the sample data to construct a 99% confidence interval estimate of the percentage of girls

1.Un investigador educativo desea compara las calificaciones promedio de las pruebas de Admisin a la Universidad de dos colegios de la ciudad: Colegio A y Colegio B. El investigador sabe que las calificaciones siguen una distribucin normal con desviaciones estndar de 17 y 16 puntos respectivamente. Se toma una muestra de tamao 100 del Colegio Ay

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Suppose Z follows the standard normal distribution. Calculate the following probabilities using the ALEKS calculator. Round your responses to at least three decimal places. (a) P{Z -2.10) = (c) P(086
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11.Which of these is not related to the model sum of squares? a.The variance explained by the first predictor/independent variable b.The variance explained by the second predictor/independent variable c.The variance explained by the main effect of the two predictors/independent variables on each other d.The variance explained by the interaction of
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13 An elevator has a placard stating that the maximum capacity is 1710 lb10 passengers.So, 10 adult male passengers can have a mean weight of up to 1710/10=171pounds. If the elevator is loaded with 10 adult malepassengers, find the probability that it is overloaded because they have a mean weight greater than 171 lb.(Assume that weights of males

Thanks in advance. Chapter 05, Section 5.3, Problem 024 An instant lottery ticket costs $2. Out of a total of 10,000 tickets printed for this lottery, 1000 tickets contain a prize of $5 each, 125 tickets have a prize of $10 each, 6 tickets have a prize of $1000 each, and 1 ticket has a prize of $5000. Let x be the random variable that denotes the
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You developed a multiple regression model to predict wine quality for red wines. Now, you wish to determine whether there is an effect on wine quality due to whether the wine is white (0) or red (1). These data are organized and stored in RedandWhite. Develop a multiple regression model to predict wine quality based on the percentage of alcohol

Metod Euler (dy/dx) =yx^2-1.1y con h=0.25 desde x=0 hasta y (0) =1

As everybody is focused on Covid-19 vaccines, you should note that no vaccine is 100% effective.Some people are not protected after vaccination and for others the protection may wane over time which requires time series modeling.Generally, vaccine efficacy,measured as a percentage reduction of disease in avaccinatedgroup of people compared to an

Una mquina tiene un costo inicial de $120.000, una vida til de 6 aos y un valor de salvamento de $30.000. Elaborar un cuadro de depreciacin, aplicando: (c) el mtodo de lnea recta; (b) el mtodo del fondo de amortizacin a la tasa del 8%; (c) el mtodo de la suma de enteros (dgitos).

Can anyone help me with this, please? Thank you! Assume that weights of adult females are normally distributed with a mean of 80 kg and a standard deviation of 20 kg. What percentage of individual adult females have weights between 77 kg and 83 kg? If samples of 64 adult females are randomly selected and the mean weight is computed for eachsample,

Name: Jessica Aguilar Unit 11: Volume & Surface Area Date: 07 / 16 /74J Bell: Homework 2: Area of Sectors Directions: Find the area of each shaded sector. Round to the hundredths place. 1. GH = 11 in 2. KL = 20 ft F 64 H 119 3. BA = 6.5 cm 4. YZ = 14.2 m 12 23 870 B . 5. KL = 27.1 mm 6. PQ = 2.8 in * = 360- 32.1 R P (360 32 A = 669- 13 Timm 311'
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A livestock company reports that the mean weight of a group of young steers is 1135 pounds with a standard deviation of 79 pounds. Based on the model N(1135,79) for the weights ofsteers, what percent of steers weigh a) over 1200 pounds? b) under 1250 pounds? c) between 1100 and 1300 pounds?

The workshop of BITS Pilani manufactures and supplies chairs, desks, and other furniture to hostels. The workshop operates to minimize its costs of operations. In the workshop, there are two types of standard chairs, wooden chairs and metal chairs. Wooden chair is considerably heavier than metal chair, and costs Rs.5 per chair to transport to any

Participants at the state fair were given eight rings to toss. The number x of rings tossed onto a stick can be approximated by the probability distribution in the table. Use the probability distribution to find the mean and variance of the probability distribution \f
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Determine weather each limit exits. If it does, find the limit and prove that it is the limit, if it does not, explain how you know. 1. Lim x^2/x^2+y^2 (X,Y)->(0,0) 2. Lim X,Y/x^2+y^2 (X,Y)->(0,0)

--------------------------- Problem 32E: Chapter: CH6 Problem: 32E The method of instruction in college and university applied statistics courses is changing. Historically, most courses were taught with an emphasis on manual calculation. The alternative is to employ a computer and a software package to perform the calculations. An analysis of
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Assignment4: Problem 3 (1 point) There are currently 27 frogs in a (large) pond. The frog population grows exponentially, tripling every 8 days. What is the relative growth rate constant k for the frog population? Relative growth rate k | 0.1373 d;ys How long will it take (in days) for there to be 200 frogs in the pond? Time to 200 frogs = days
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write three or more true comparison statements for the principal to read over the loudspeaker

A store will order q gallons of a liquid product to meet demand during a partie- ular time period. This product can be dispensed to customers in any amount desired, so demand during the period is a continuous random variable X with odf F(o;]. There is a xed cost (:0 for ordering the product plus a cost of (:1 per gallon purchased. The per gallon
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Two hot air balloons are flying above a park. One balloon started at a height of 3,000 feet above the ground and is decreasing in height at a rate of 40 feet per minute. The second balloon is rising at a rate of 50 feet per minute after beginning from a height of 1,200 feet above the ground. Given that h is the height of the balloons after m

In words explain in 1-3 sentence why this is the correct answer What is the mean for the population of scores shown in the frequency distribution table? Answer 29/10=2.9

The time required to start abusiness, defined as the number of days needed to complete the procedures to legally operate abusiness, in 20 developed countries and 20 emerging countries is included in the accompanying table. Use .05 Level of Significance Developed Countries (days): 24,122,7,34,6,5,29,7,6,9,33,10,18,19,31,11,9,26,16,24 Emerging

Find an open cover of A= (0,3] that has no finite subcover.

1.)A new drug is created to help people with depression. When testing the drug, what are the null and alternative hypotheses? A.Ho: As a result of 300mg./day of the ABC drug, there will be no significant difference in depression. B.HA: As a result of 300mg/day of the ABC drug, there will be a significant difference in depression. C.Ho: As a result

48. DETAILS MY NOTES SCOLALG7 3.5.065.MI. 0/1 Submissions Used A polynomial P is given. P(x) = x> 4x* + 9x 36 (a) Factor P into linear and irreducible quadratic factors with real coefficients. P(x) = ) (b) Factor P completely into linear factors with complex coefficients. P(x) = Submit Answer 49. DETAILS MY NOTES SCOLALG7 2.7.029.MI. 0/1
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The accompanying data table lists the magnitudes of 50 earthquakes measured on the Richter scale. Test the claim that the population of earthquakes has a mean magnitude greater than 1.00 . Use a 0.05 significance level. Identify the null hypothesis, alternative hypothesis, test statistic, P-value, and conclusion for the test. Assume this is a

If you were calibrating a drop spreader to apply 5 lbs granular amendment per 1000 ft2, and your practice pass is 75 ft, and the treatment swath width is 34" across, the target amendment mass to be applied in the practice pass would be: Choose below 12.8 lbs 5 lbs 1.1 lbs 2.4 lbs 0.5 lbs

Precalc help MATH 120R - PRECALCULUS WRITTEN HOMEWORK 4 DUE FRIDAY, NOVEMBER 8 AT THE BEGINNING OF CLASS INSTRUCTIONS: On a separate sheet of paper, write out the solutions to the following problems. Show all steps in the solution and use complete sentences when asked to give interpretations of your answers. If a graph does not have correct axes
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In his article published in the American Journal of Sociology in 1997, Professor Tam uses cross-sectional data from the 1988 Current Population Survey (CPS) to assess the effect of the sex composition of occupations on individual wages, and test competing explanations of the link between sex segregation and pay inequality. The CPS survey is a
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One of the biggest factors in determining the value of a home is the square footage. The accompanying data represent the square footage and selling price(in thousands ofdollars) for a random sample of homes for sale in a certain region. Complete parts(a) through(h) below. Which variable is the explanatoryvariable? Square Footage Selling Price (b)

5. Combine the following logarithms: (a) lo g( x 2)+ lo g( x +2) 1 lo g( x 2 +4) 2 (b) 1[ ln ( x 4)+5 ln ( x 2+4 x )] 2 6. Solve the following equations: (a) x^ 2 e^ 2x +2 xe^ 2x =8 e^ 2x (b) 3^2x 3^x 6 = 0 (c) lo g3( x 8)+ lo g3 x =2 7. A sum of $5000 is invested at an interest rate of 8 1 % per year, compounded semi-annually. 2 (a)Find the

According to the analysis of Federal Reserve statistics and other government data, American households with credit card debts owed an average of $15,706 on their credit cards in August 2015 (www.nerdwallet.com). A recent random sample of 500 American households with credit card debts produced a mean credit card debt of $16,377 with a standard

During the 2004 election year, new polling results were reported daily. In an IBD/T [PP poll of 910 adults, 503 respondents reported that they were optimistic about the national outlook, and President Bush's leadership index jumped 4.7 marks to 55.3 (InvestOr's Business Daily, January 14, 2004). (11' marks total) a. What is the sample proportion
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The data for this assignment is in the file State Data.png \f
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Answer all questions Question 2 Imagine an experiment where a person is seated in front of a computer. When a certain signal flashes on the screen, the subject presses a key on the keyboard as quickly as possible. A clock measures the amount of time that elapses between the signal's appearance and the subject's keypress. This amount of time is
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Your department has the following sales totals in $1,000 increments: 33, 31, 34, 29, 40. Given the following sale totals for your department, the mean is $33,400 . and the median is $33,000 You have to include the central tendencies in your report. To take it more positive, you can report the I don't know One attempt

A linear regression formula should not be applied to X values outside the range of those used to develop the equation Question 22 options: True False

A/B testing is the simplest format of experiments and is commonly used in the advertising industry. Imagine you were a manager at an advertising agency and you created two commercials which could be aired in the super bowl event next month. Your task is to determine which one to use so you are considering a A/B testing to find this out. Please

In a distribution where the mean is 70 and the standard Of the numbers in the distribution, the fraction that deviation is 3, find the largest fraction of the numbers that is less than 61 or more than 79 is at most D could meet the following requirements. (Type an integer or simplified fraction.) less than 61 or more than 79
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Imagine you are a product manager at Chips Amor Cookie Company and you want to test how accurate the claim is that your cookies have more chocolate chips than the those produced by a local grocery storebrand. To do this, you gather a team of consumers to compare the cookies. You give each participant a Chips Amor cookie in a bag labeled A and a

A behavior analyst collected data on the number of mands during a series of 1-hour training sessions over the period of a week. On Monday the client engaged in 2 mands and also engaged in 2 mands Tuesday. On Wednesday, the client engaged in 7 mands, on Thursday 11 mands, and on Friday, the client engaged in 8 mands. What is the mean level of this

x^2-18x+76=0 First, choose the appropriate form and fill in the blanks with the correct numbers. CHOICES OF FORMS- A-- (x+ [BLANK] )^2= [BLANK] B-- (x- [BLANK] )^2= [BLANK] Then, solve the equation. Round your answer to the nearest hundredth. X=[BLANK]

Please help me to answer this question! Chapter 4, Go Tutorial Problem, Section 4.7, Additional Question 001 If t is in years since 1990, one model for the population of the world, P , in billions is 40 P = . 1+ 11e-0-07r a) What does this model predict for the maximum population of the world? p: :1 billion. b) According to this model, when will
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Please explain as thoroughly as you can why sometimes data analysts apply "weighting" (or, "use weights") to the results of a survey. Next, please provide a real-world example of a target population in which, after surveying it, you may likely need to apply "weighting" to the survey results.

Which of the following is not a zero of the polynomial function below? f(x)=2x^4-x^3-42x^2+16x+160. A.-2 B.1 C.2.5 D.-4

Find the x-value of the vertex of the parabola: f(x) = x 2 + 5x + 8

Gramtica II. Trabajo y ms trabajo. Fabiana y Gabriela conversan sobre el trabajo de Fabiana. Completa su conversacin con la forma apropiada de cada verbo en el imperfecto del subjuntivo. buscar dar decidir dejar hablar ser tener Fabiana: Gaby, estoy harta de trabajar, trabajar y trabajar. Al final no disfruto de nada... Gabriela: Y te has

In a study that looked as the effect on car crash severity, researchers found the average mean speed in fatal accidents was 42 miles per hour with a standard deviation of 15 miles per hour.Legislators are debating lowering the 65 mile per hour speed on highways based on the argument that the higher speed will result in more fatalities.What

Need help with the graph Consider the following function. f ( x ) = x 3 / 5 , a = 1, n = 3, 0.7 ? x ? 1.3 (a) Approximate f by a Taylor polynomial with degree n at the number a . T 3 ( x ) = $$ 1+3 5 ?( x ?1)?3 25 ?( x ?1)2+7 25 ?( x ?1)3 (b) Use Taylor's Inequality to estimate the accuracy of the approximation f ( x )? T n ( x ) when x lies in
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At Community Hospital, the burn center is experimenting with a new plasma compress treatment. A random sample of n 1 =318patients with minor burns received the plasma compress treatment. Of these patients, it was found that266had no visible scars after treatment. Another random sample of n 2 =420patients with minor burns received no plasma

Suppose that P(A) = 0.6, P(B) = 0.7, and that events A and B are independent. Find P (A intersection B), P(A union B), P (A|B) and P (B|A).

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