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Mathematics Questions and Answers March 23, 2021

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Consider the table below Response (number of cats owned) Frequency None 659 One 329 Two 52 Three 13 Four or more 8 What is the probability that the next person asked has only one cat?

Let be an angle such that sec =-square root 3,and tan>0.What are the sin and cos values?

Convert 630 degrees to its value in centesimal system

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xito! Ayer por la tarde, Cassie vino a completar toda la documentacin de inscripcin, recibi el Manual para padres y comparti con ustedes la lista de contactos con los que trabaja Sasha en su equipo de proveedores de apoyo habituales. Cassie le ha dado permiso para comunicarse con el terapeuta ocupacional, el fisioterapeuta y el patlogo del habla

Please provide the complete solution process of this question, thank you! (for graduate credit) Let X be a discrete random variable such that P(X = 11:) > 0 if and only if a: is a positive integer (i.e., a: = 0, l, 2, . . ) and E(X) 3:). HINT: You will need to work with partial sums in order to be careful about convergence of series. Start by
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hellooplesse help sovlean jfngsxndfjsf knfgsf bjfngbsbFRosa Burnett needs $ 5 comma 000 in three years to make the down payment on a new car. How much must she invest today if she receives 1.5% interest annually, compounded annually

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Determine the number of k-element subsets of [n] such that the i-th largest element of the subset is congruent to i mod 2.

Question 1 30 pts Robin's teacher asked her to nd a box that would hold some small 1 inch cubes that the kindergartners used for counting. Robin found three boxes with the following dimensions: Box A: 4" x 6 " x 8" Box B: 6" x 3" x 12" Box C: 6" x 6\" X 4" Which box would be able to hold all the cubes if Robin's teacher had 200 cubes? Box Volume
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5. True or False? Multivariable methods include a number of specific procedures to simultaneously assess the relationships between several exposure or risk factor variables and a single outcome
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Find two values of 0, 0

5 Graph of & I. The graph of a function k is shown in the figure above. Which of the following best describes the behavior of the graph of k from point A to point B? (A) The graph of & is increasing and concave up. The graph of k is increasing and concave down. C) The graph of k is decreasing and concave up. (D) The graph of k is decreasing and
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Chrome File Edit View History Bookmarks Profiles Tab Window Help 1 7 9 9 9 Sat Feb 10 2:01 PM . . UC App BAV |M Buil Voy: M Inbc M Inbc | Onli | CDT | (5u| giving Kais |() Cov | Hon BOI x Mai Quig Mer |D Mat Hon + peralta.instructure.com/courses/66632/assignments/1151337 Update : Gmail YouTube Maps TOWER OF HELL (... Translate SBA SBA - Disaster
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If the length of an hour is assumed constant, how many hours long will a day be just before the sun novas (exploding just before its death), destroying Earth, 4 billion years in the future? Hint: How many hours are there in a day right now? You will be increasing this amount

What is the domain? What is the functions range? What are the x intercepts if any What are the y intercepts if any The function values f(1) and f(5) \f
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Connections between multiplication and division are key for mastery of division facts. What reasoning strategy would support the mastery of division facts? A) Doubling B) Think multiplication C) Adding or subtracting a group D) Decomposing a factor

I have a statistics question if my level of significance is .05 and my p-value is .000672 do I reject the null hypothesis or do I fail to reject the null hypothesis?I'm not sure if I'm supposed to move the decimal point over or not. Also, what is the percentage equal to for the likelihood of the hypothesis happening?

The technique to achieve an illusion of space by parallel lines seeming to converge in the distance: Question 14 options: linear perspective positive space atmospheric perspective picture plane

If the borrowing rate is higher than the lending rate, then the slope of the CAL in the lending region will be -------------- than the slope of the borrowing region Question 14Select one: a. Lower b. Flatter c. Higher d. None of the above

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bob ACT score had a z-score of 2.28 what was his act score?

i don't know how to find the range or value of g^-1(0) Maximum mark: 5] 12 A function is defined by g(x) = 3 - for -9
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8 students have applied for the merit scholarship. This year 4 merit scholarships were awarded. If a random sample of 2 applications (from the population of 8) is selected, a) What is the probability that 2 were the recipient b)What is the probability that there were 0 recipients

What does it mean for a piecewise polynomial curve to be second order continuous? Verify that the uniform cubic B-spline, given below, is second order continuous. how can various visible-surface detection methods can be modified to process transparent objects. Are there any visible-surface detection methods that cannot handle transparent surfaces?

134. En la teora de colas, la naturaleza de la situacin de espera puede estudiarse y analizarse cuando? a) los detalles completos de los artculos en la lnea de espera son conocidos b) los tiempos de llegada y espera son conocidos y pueden agruparse para formar un modelo de lnea de espera c) todas las variables y constantes son conocidas y forman

I could use help with this question Classic Golf Inc. manages five courses in the Jacksonville, Florida, area. The director of golf wishes to study the number of rounds of golf played per weekday at the five courses. He gathered the following sample information. 5 Day Rounds points Monday 105 Tuesday 150 Skipped Wednesday 145 Thursday 120 Friday
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4. Explain why Sensitivity and Specificity for the Clinic-based audiology equipment for follow-up diagnostic testing is higher than for Portable audiology equipment for a free screening.

You just had a great lunch at a nice restaurant and decide to leave a 15% tip on your $18 meal. What will be the total charge on your debit card? Multiple Choice $19.60 $21.60 $20.70 $33.00

2. A foreign country has gained entrance into your security network. All passwords must be changed. You have decided to require all new passwords to be 15 characters with upper and lower characters, 2 numbers and 2 of 30 special characters. Show how you would determine the number of possible passwords that could be used. Your boss wants you to

2.154 Restaurant Bill by Sex Exercise 2.153 describes a study on the cost of meals when groups pay individually or split the bill. One of the variables in SplitBill also records the Sex of each subject. Provide a numerical summary to compare costs of orders between females and males. Make and comment on a graphical display to compare costs by Sex .

State the alternative hypothesis, Find the statistics level , find the p value , make a decision about the null hypothesis , state the conclusion about the claim . Can you please circle the answer when you show the work thank you A 2009 Pew Pool asked people whether losing their local newspaper would hurt civic life, and 433 out of 1005 said that
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Question 19 In statistics, what exactly does it mean to be 95% confident?

In HIJ, i = 370 inches, h = 430 inches and H=68. Find all possible values of I, to the nearest 10th of a degree .

Determine whether each of the given statements is true. Justify your response with an explanation or counterexample. Iff(x)is continuous everywhere andf(a),f(b)>0,then there is no root off(x)in the interval[a,b]. show all work please!

A survey found that 80% of college students had access to a tablet.A sample of 250 college students is taken.Find the mean and standard deviation for this binomial distribution.

Remember, hypothesis tests follow a series of steps. They are not just a computer printout.Make sure if you use a computer printout, you identify which parts of the printout apply to the problem. All of the parts of the printout will NOT apply. Question 1 A sample of 20 account balances of a credit company showed a mean customer balance of $4,200,

Power 1, Inc., produce bateras AA que se usan en autos de control remoto. La vida media de estas sigue una distribucin normal de probabilidades con una media de 35.0 horas y una desviacin estndar de 5.5 horas. Como parte de su programa de control de calidad, Power 1, Inc., prueba muestras de 25 bateras

27. Consider the car ride represented by the graph shown at right. 50. 40 Distance, 30 in miles 20- 10 10 20 30 40 50 60 70 80 90 100 110 120 Time, in minutes A. What is the average rate of travel over the first 20 minutes. (Be sure to change minutes into hours.) B. How fast is the car going between t = 20 and t = 30 min? Explain. C. What is the
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An African American sociology student wants to test the hypothesis that Affirmative Action has helped alleviate racial discrimination on college campuses in the United States. The student does not have access to funds to pay interviewers or to use most other methods of gathering data so the student decides to use existing statistics as his source

Consider a binary classification problem (y {0,1}), where the iid examples D={(x^(1), y^(1)),(x^(2), y^(2)), . . . ,(x^(N), y(^N))}are divided into two disjoint setsD(train)andD(val). Suppose you fit a modelhusing the training set,D(train), and then estimate its error using the validation set,D(val). If the size ofD(val)was 100 (i.e.|Dval|= 100),

Over 3.2 billion people live in areas where these mosquitoes could survive. With over 7.1 billion people on the earth, what percentage of the world is at risk

how do you calculate the area under the standard normal curve?

Consider the following data drawn independently from normally distributed populations: (You may find it useful to reference the appropriate table: z table or t table ) X1= 12.0 X2 = 24.5 s 1 2 = 8.5 s 2 2 = 8.5 n 1 = 28 n 2 = 28 a. Construct the 90% confidence interval for the difference between the population means. Assume the population

1. A triangle has sides equal to 4m, 11m and 8 m. Find the angles (round answers to nearest whole degrees) 2. find the exact values: sin 285degree and tan13*180/12 3.sinx=1/2 and x is in the second quadrant, cos y = 3/5 and y is in the fourth quadrant. find the exact value of cos (x+y).

The percentage of the adult population that smokes can be modeled by the function P (x) whose graph is shown below. The input x is years after 1995. In what year did the percentage of smokers drop below 40%? The year that the percentage of smokers dropped below 40% is. X Start over
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We will test the hypothesis that p=60% versus p>60%. Wedon't knowit, but actually p is70%. With which sample size and significance level will our test have the greatestpower? A. =0.01, n=200 B. The power will be the same so long as the true proportion p remains70%. C. =0.05, n=200 D. =0.01, n=500 E. =0.05, n=500

Find the simple interest (in dollars) due on a 37-day loan of $950 if the annual simple interest rate is 3.5%. Round to the nearest cent. (Use 360 days in 1 year.)

Determine a power regression for the data given below. Compute the length for a diameter of 33.5. Round the numerical values of the function to three decimal places before you compute your final answer. Round your final answer to one decimal place. Diameter 14.2 15.5 17.4 19.4 23.3 24.2 Length 168 178.1 192.2 206.2 232.3 237.8

Determine the ratio of the relativistic kinetic energy to the nonrelativistic kinetic energy (1/2mv2) when a particle has a speed of (a) 2.55 x 10-3; and (b) 0.951c. (a) Number Units v (b) Number n Units v
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Let X1, . . . , Xn be independent Beta(, 1) random variables with parameter > 0. (1) Find the Bayes estimator of for a Gamma(,) prior. (2) Find the MSE of the Bayes estimator

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IItIe - staKenOIoer conaooratlon in construction projects (100mm,, to show your research project proposal to carry out the literature review, which may include a background study explaining the topic area - selecting it to do a literature review together with references and a timeline. l.Background and Rationale - Provides a background to the
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Use the following equation, which gives the relationship between the percent P, as a decimal, of light passing through a substance of thickness d. log(P) = I
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finding the equation of the line in point slope form, and state the meaning of the slope in context. \f
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Simultaneously apply the Number format to columns B through E on the Costs worksheet

An Enrichment Program is a mandatory program for every student in a university, a survey is done to determine the student interest in Research Track, one of the tracks that could be chosen in Enrichment Program, and the correlation with the students' background. In general, the probability of a student is a Computer Science student is 25%. Then,

In lay-man terms or english and as clear as you can please thoroughly explain each figure, diagram and what is going on and do so in relation to the paper which I put in the reference. Use the paper to explain the figures. this image is not blurry REFERENCE needed ------ this figures are part and came from a research paper titled Topic ( A
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David and Asher buy the same pair of sneakers, but each in the wrong size. David proposes a size swap with Asher. This is an example of a. barter, since the sneakers in the correct size represent a medium of exchange. b. barter, since the sneakers in the correct size have intrinsic value to both David and Asher. c. money, since the sneakers in the

3.26 Georgi Rostov deposits $3,000 in a savings account that pays 6% interest compounded monthly. Three years later, he deposits $4,000. Two years after the $4,000 deposit, he makes another deposit in the amount of $6,000. Four years after the $6,000 deposit, half of the accumulated money is transferred to a fund that pays 8% interest compounded

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The city council conducts a survey of the city's residents to determine which services are most used by the community.35% of the residents say that they use the library, and 60% of the residents say they use the library and the recycling center. What is the probability that a resident uses the recycling center given that they use the library?

48 5 points The decision maker has expressed concern with goal 1, budget, achievement. He indicated that future candidate solutions should stay under budget. How can you modify your goal programming model to accommodate this change? Make budget a hard constraint in the model. O Give di+ an extremely large weight in the objective function. O Remove
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Say where each person or group is today by completing each sentence with the correct form of the verb essere. Modello Francesca Example answer End example answer in facolt. Question 1 with 1 blank Giulia 1 of 1 in mensa. Question 2 with 1 blank Io 1 of 1 in classe. Question 3 with 1 blank Tu 1 of 1 a Milano. Question 4 with 1 blank Marco e

Chapter five 5!! value: 1.33 points A new stain removal product claims to completely remove the stains on 60 percent of all stained garments. Assume that the product will be tested on 20 randomly selected stained garments, and let x denote the number of these garments from which the stains will be completely removed. Find P(x $ 18) if the stain
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Please answer if yes or no. Determine whether the equation defines y as a function of x. 7x2 + y2 =1 Does the equation define y as a function of x? O Yes O No
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In the endemic phase of a virus spread, testers are employed to carry out a random testing in a community of 400,000 people. There are a total of 8 testers, each tasked to test 20 persons per day randomly selected from the community, over a duration of 90 days. There is no repeated testing of any individual. The number of persons who tested

(10pts) Give the missing parts that complete the CFG for the language, {x {a, b}| x = (a + b)na(a + b)m(a + b)nb(a + b)m where n, m 0} S missing part A missing part (odd length with 'a' in middle) B missing part (odd length with 'b' in middle) L a | b

1.John is an English teacher. He is interested in whether undergraduate students or graduate students read more books. He surveys 10 students in his undergraduate English class and 10 students in his graduate English class and asks them "How many books did you read last year?" What is the population(s) John is trying to make an inference about?

The breaking strengths of cables produced by a certain manufacturer have a standard deviation of90 pounds. A random sample of100 newly manufactured cables has a mean breaking strength of1700 pounds. Based on this sample, find a95 % confidence interval for the true mean breaking strength of all cables produced by this manufacturer. Then complete

Can you write down every step for the solution, you can ignore the (4points) partThank you \f
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A random sample of 50 binomial trials resulted in 20 successes. Test the claim that the population proportion of successes does not equal 0.50. Use a level of significance of 0.05. (a)Can a normal distribution be used for thedistribution? Explain. Yes, np and nq are both greater than 5. Yes, np and nq are both less than 5. No, np is greater than

Score: 0 of 3 pts 2 of 5 (2 complete) HW Score: 50%, 5 of 10 pts 5.2.7-T Question Help In a recent study on world happiness, participants were asked to evaluate their current lives on a scale from 0 to 10, where 0 represents the worst possible life and 10 represents the best possible life. The responses were normally distributed, with a mean of
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A. Construct a 98% confidence interval estimate for true proportion of college educated women who work at home, if a sample of 500 women showed that 162 worked at home. B. Interpret the results.

A streetlamp illuminates a circular area that is 17 meters across through the center. How many square meters of the street is covered by the light? Round to the nearest hundredth and approximate using = 3.14. 226.87 m2 453.73 m2 907.46 m2 1,814.92 m2

10. The physician orders hydrocodone 7.5 mg/acetaminophen 325 mg (Norco) 2 tablet every four hours. Available to the nurse is hydrocodone 7.5 mg/ acetaminophen 325 mg (Norco) per tablet. The patient has received doses at 0800, 1200, 1600, 2000 in the last 12 hours. What is the maximum number of tablets that the patient can receive in the next 12
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Capitol Airlines owns and operates two identical Boeing 757 aircraft, each with a capacity of 200 seats. The daily schedule of these aircraft is shown in Table l. Departs:Arrives: Aircraft Number City Time City Time 1 BOSTON 8:00 am EST CHICAGO 10:15 am CST 1 CHICAGO 10:45 am CST SAN FRANCISCO 12:15 pm PST 1 SAN FRANCISCO 5:30 pm PST CHICAGO 10:45

Two cards are selected from a standard deck of 52 playing cards. The first is replaced before the second card is selected. Find the probability of selecting a heart and then selecting a ten. (Round to three decimal places as needed.)

(c) Problem 3. Show the following random events on the diagram (draw this diagram separately for each of the following questions). B C (a) (AUB)nc (b) (A \\ C) UB (c) (A \\ B) \\ (C \\ B)
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Given A=[ [1/sqrt(2),1/sqrt(2)],[1/sqrt(2), -1/sqrt(2)]] Select all true statements about the matrix A. Note: there may be more than one true statement. Only select true statements. You will get points for selecting true statements and points taken off for selecting false ones. A. A =A 1 B. A A=I 2 C. Ax,y=x,A y for all x,yC 2 D. Ax,Ay=Ay,Ax for

In the following linear programming problem, what is the allowable increase for the objective function coefficient for variable x? (Mote: This problem requires Solver) Maximize P = 2x + 18y Subject to: 2x + 4y
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Suppose a researcher interested in obtaining an estimate of the average level of some enzyme in a certain human population takes a sample of 10 individuals, determine the level of the enzyme in each and computes a sample mean of 22. Suppose further it is known that the variable of interest is approximately normally distributed with a variance of

Find the vertices and locate the foci of the hyperbola with the given equation. Then graph the equation. 25 The vertices of the hyperbola are. Type an ordered pair. Simplify your answer. Use a comma to separate answers as needed.) The foci are located at (0, 129 ) , (0, - 129 ) (Type an ordered pair. Simplify your answer. Type an exact answer,
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I need help in this q Question # 4. An experiment is run that is claimed to have a binomial distribution with p = 0.15 and n = 18 and the number of successes is recorded. The experiment is conducted 200 times with the following results: Number of Successes 2 Observed Frequency 80 75 39 6 0 Binomial Distribution 0.050328 0.205889 6069EE Q 0.275653
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Find the solution to u -u, =0 which passes through the point (2,3)
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M Caixa d * G Match t X | G LAE 341 x | | 9 Best ( X | ChatGP x | go Souther X | 60 Syllabus X | ECO 44 X Probler X Course X + X @ File C:/Users/pedro/Downloads/Problem%20Set%2003.pdf P M Gmail YouTube Translate MC panther porthal S Scholarships # Canvas Course List,. A Monthly Scholarshi.. / MyUSF /Search Programmes.. Men's soccer player.. W
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In NASCAR, race cars go around an oval track (a rectangle with two semicircles on the ends). The track is banked, which helps the cars round the turns faster, making the sport more interesting for spectators. See the image below for the shape of the track, and what the banking and outside barrier looks like. During the turns, some cars will hug

See the question attached. Please use Excel to build the histogram and frequency ogive. I'm having problems using data analysis to build a correct histogram. \f
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6 10 points A company is considering whether or not to proceed with an investment project that requires an initial outlay of USD 100,000. The after-tax cash inflows are estimated to amount to USD 20,000 at the end of the first and second year and to USD 30,000 at the end of the third, fourth, and fifth year. The required rate of return for the
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Hi iu need help with these questions, Question 2 It was hypothesised that brain-damaged patients would score lower on the Willner Unusual Meanings Vocabulary (WUMV) test and the Willner-Sheerer Analogy (WSA) test than on the vocabulary items of the Wechsler Adult Intelligence Scale (WAIS). A random sample of 12 brain-damaged patients took all
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Help 4 43 Bellwork Lesson 2-4, Monday 02/22/2021 Bellwork Lesson 2-4, Monday 02/22/2021 POSSIBLE POINTS: 14.29 Josiah has a collection of sneakers. He has twenty-eight pairs of Converse and twenty-two pairs of Vans. What percent of his shoe collection are Vans? Vans make up % of his shoe collection. 1 2 3
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Question 1 (18 marks) A pharmaceutical company carried out a study to investigate if men and women, of the same age, have different levels of the high density lipoprotein [HDL] type of cholesterol. This is the type of cholesterol that is labelled \"good\" as it helps prevent coronary disease. A small volunteer sample of men and women aged 40-45 of
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perimeter of a quadrilateral (four-sided polygon) is 34 inches. The longest side is three times as long as the shortest side. The other two sides are equally long and are 2 inches longer than the shortest side. Find the length of all four sides

Draw a line plot to display the science test score listed. 86,91,85,86,90,89,91,87

Project Description Your assignment is to find connections between 1984 and the world we live in today. Hopefully, as you read, your brain will \"ping\" on certain concepts that Orwell describes and you will find yourself thinking, \"Thatis similar to that we have today...\" Step 1: Choose your FIVE concepts. These are the more obvious ones:
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Please help The values of mass m, spring constant k, dashpot resistance c, and force f(t) are given for a mass-spring-dashpot system with external forcing function. Solve the initial value problem and construct the graph of the position function x(t). mx"+ cx' + kx = f(t), x(0) = x'(0) =0 m = 1, k= 49, c = 14; f(t) = 8t if 0 S ts 3, f(t) = 0 ift >
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Calculus I May I please have the solutions and verifications for the following questions? Thank you Verify that the function satisfies the hypothesis of Rolle's Theorem on the given interval. Then find all the numbers c that satisfies the conclusion of the Rolle's Theorem. f (x = sinx + cosx , [ 0 ,27 ]erify that the function satisfies the
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tell me the answer that is the fraction written in its simplest form. 182/252

Assume the random variable X is normally distributed with mean ?=50 and standard deviation ?=7. Compute the probability. Be sure to draw a normal curve with the area corresponding to the probability shaded. \f
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These are three slidess with answer beacause someone said it was incomplete 2:59 .. LTE El 3 uml.umassonline.net 16. A researcher wants to examine how the chemical tryptophan, contained in foods such as turkey, can affect mental alertness, at an alpha of .05, two tailed. A sample of n = 25 college students is obtained and each student's
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