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Mathematics Questions and Answers October 07, 2021

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Team A plays 3 softball games against Team B. The probability that team A will win each game is represented by p. The sum of the polynomials -p^3+3p^2-3p+1 and 3p^3-6p^2 represents the probability that team A wins no more than one game. Which polynomial represents the probability that team A wins no more than one game. A) 2p^3-3p^2+1 B)

What is the appropriate test (e.g., Independent Samples T Test, Paired Samples T-Test, ANOVA, Correlation) and why (e.g., what type of variables are you analyzing) when thinking of the following situations? A. What is the effect of living arrangements on the overall satisfaction at University? B. Some students eat at both dining halls (Dining Hall

30 0 5 10 15 25 20 0 - 20 mm 0.01 mm
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3. Let P be a probability measure defined on ((, F). If Al, A, and A; are events. a. Show that P(A, nA,) 2 1-P(A;) - P(A;)
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Q6.- Determine the kind of matrix defined by A(7,7) with a;j = 3 if i > j, else a j = 0 for i s j . a) identity matrix b) upper triangular matrix c) lower triangular matrix d) non of the above
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Match the examples to the correct levels of measurement - Nominal - Ordinal - Interval - Ratio A. How many times have you been arrested by the police in the past 12 months? 0 times 1 time 2 times 3 times 4 times 5 times more than (>) 5 times B. What is your last education level? Elementary school Middle school High school Associate's degree

If g(x) = 2x + 5 and h(x) = (f . g)(x) = 94x + 10 + 75, then f(x) = and (g . f) (x) =
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15. The graph of a rational function f(x) is shown on the right. If the equation of f(x) has the form f(x): m , determine the values of k, m and n. x2 +kx+n
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Answer all please When the population standard deviation is unknown we use to instead of zc. O True O False 12 of 50 All else being equal, the higher the confidence level O the wider the confidence interval O the narrower the confidence interval 13 of 50 interval? If you increase the sample size and confidence level at the same time, what will
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Question 11 3 pts The correlation between X and Y is r = 0.35. Based on this r value, is this a good equation to use for predictions of other events within the range of the data? O Yes, there is a positive correlation. Yes, the correlation is strong. No, the correlation is too strong. No, the correlation is too weak to give accurate estimates. O
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Good Afternoon! I need some assistance answering this question. Would you please help me? Thanks! *Highway department executives claim that the number of fatal accidents which occur in her state does not vary from month to month. The results of a study of 112 fatal accidents were recorded. Is there enough evidence to reject the highway department
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NEED A DETAILED RESPONSE ON PART 2 Q: 2 With the growth of internet service providers, a researcher decides to examine whether there is a correlation between cost of internet service per month (rounded to the nearest dollar) and degree of customer satisfaction (on a scale of 1 - 10 with a 1 being not at all satisfied and a 10 being extremely
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Hello! I'm stuck on this problem on my practice worksheet. Just want a better understanding to these problems:) 1. (2 x 3 = 6 points) In the questions below, determine whether the proposition is TRUE or FALSE. Justify your answer. (a) If 2 + 2 = 3 and 2 > 1, then Oahu is an island in the state of Hawaii. (b) 1 = 1 + 0 is sufficient for 1 + 1 = 3.
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Find the slope of the line, if it is defined. Through (negative 11,negative 1) and (negative 3,11) Question content area bottom Part 1 Write the expression that can be used to find the slope

Percentages ( show work , use X as your variable ) . . ) what is 59% of 20 m? 2) 43% of 67 miles is what? 3) what is 12% of 12. 12 ? 4 ) 73% of 4 is what? 5) 1 Is what % of 25? 6) 63.4 % of what is 58? 7 ) 38% of 53 is what? 8) 41% of 78 is what? a ) what percent of 33 ,5 is 21 ? 10) what percent of 29 is 3
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hoy los estudiantes son los jefes pero solo por un dia cambie las siguientes acciones en mandatos logicos para todos sus profesores no solo para su profesor(a) de espanol. Haga mandatos afirmativos y negativos 1) Llegar a tiempo 2) Venir a la universidad 3) Pedir la tarea 4) Volver a casa 5) Poner musica de *BLANK* 6) Pensar en *BLANK* 7) Traer

b) Obtain a contingency table with row percentage of LOCATION and GNP_Group. Paste the table into your report. Comment about the differences in wealth among the 6 locations. Which locations only have countries with GNP values between 0 and 5000? Which locations have a majority of countries with GNP values between 0 and 5000? Comment about the
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Suppose 207 subjects are treated with a drug that is used to treat pain and 50 of them developed nausea. Use a 0.01 significance level to test the claim that more than 20 % of users develop nausea. Identify the null and alternative hypotheses for this test, p value, test statistiv, and conclusion

The class average on a statistics test is 72 marks with a standard deviation of 11 marks. What minimum mark must a student obtain to be in the top 12% of the class? For full marks your answer should be accurate to at least one decimal place. The Top 12.0% Minimum Mark =

1.Please Perform one Chi-square Test by doing the following (Hint: Chapter 15/17,Nonparametric Methods: Chi-Square): a. Organize the data and show in MS Excel; b. Write down one potential question that you could answers using Chi-square test with the happiness.xls dataset and state its null and alternate hypotheses; c. Perform oneNonparametric
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What is the correct equation for determining pace length? a-# of Paces divided by Distance Paced b-Distance Paced divided by # of Paces c-# of Paces multiplied by Distance d-Distance Paced multiplied by # of e-Distance Paced added to the # of

What are some teaching practices that support student learning in a way that is equitable so that all children succeed? Why is it important to include student discussion in mathematics lessons? How would you elicit more student involvement in discussion? What are some considerations related to questioning that can affect students' learning? How

The machinery in a cereal plant fills 350 g boxes of cereal. The specifications for the machinery permit for a certain amount of fill tolerance. It is found that the weights of filled cereal boxes are normally distributed with a mean of 350 g and a standard deviation of 4 g. What is the probability that a box of cereal is under filled by 5 g or

In 1950, there were 243 comma 305 immigrants admitted to a country. In 2003, the number was 1 comma 013 comma 068. a. Assuming that the change in immigration is linear, write an equation expressing the number of immigrants, y, in terms of t, the number of years after 1900. b. Use your result in part a to predict the number of immigrants admitted

Please do it on paper and then upload! Please specify every single step thanks! Given set of vectors = 0 V, = 2 , = 1 in R3 2 a) Make the vectors v2, v, in to an orthonormalized set w, , w3 b) Find the orthogonal projection of v, onto the plane spanned by w2, W3 c Find the component of v orthogonal to the plane spanned by w2, W3 . Confirm that the
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Dr. Zak developed a test to measure depression. He sampled 100 university students to take his five-item test. The group of students was comprised of 30 men and 70 women. In this group, four persons were African American, six persons were Hispanic, and one person was Asian. Zak's Miraculous Test of Depression is printed below: 1.I feel

I need help wit this question Given the explicit formula for a geometric sequence: an = 2(3)"-1 Which of the following is the 12th term? 0 66 1,062,882 O 72 O 354,294
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Answering the following 3 questions: Listed below are body temperatures from five different subjects measured at 8 AM and again at 12 AM. Find the values of d and so. In general, what does Ho represent? Temperature ( F) at 8 AM 97.8 99.1 97.7 97.6 97.8 Temperature ( F) at 12 AM 98.2 99.4 98.0 97.4 98.2 Let the temperature at 8 AM be the first
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0 Question 4 B ono pts '0 3 3 99 G) Details Biologists stocked a lake with 300 fish and estimated the carrying capacity (the maximal population for the sh of that species in that lake) to be 4600. The number of fish tripled In the rst year. [a] Assuming that the size of the sh population satises the logistic equation dP P T907), determine the
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discrete math question Question 7: Prove that for all integers n n mod 3 = 0 n + 2 n mod 3 = 1 3 n+1 n mod 3 = 2 3
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How many categories of contributing factors are parts of a Fish Bone chart?

A production manager wishes to examine the relationship between unit production?(number of units?produced) and associated costs?(total cost). The accompanying table contains data for 10 months of production. Complete parts?(a) through?(k) below. A production manager wishes to examine the relationship between unit production (number of units
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Using the concept of derivative, find the shortest distance of point P = (2,4) from the straight line l given by 3x + 4y +3=0

A basketball player made 12 out of 15 free throws she attempted. She wants to know how many consecutive free throws she would have make to raise percent of successful free throws to 85%

Help me understand these questions.. Similarities and differences between classification, clustering and linear regression Given a dataset, how to know which analytical technique (linear regression, classification or clustering) is appropriate for analyzing it. What are the signs or the conditions that allow you to decide if an analytical

If40%of the nation is registered Liberal. Does the London environment reflect the national proportion? Test the hypothesis at the 0.05 significance level that London residents differ from the rest of the nation in their affiliation, if of200locals surveyed, 85 are registered Liberals.

A researcher conducts an independent-measures study comparing two treatments and reports the t-statistic as t(30) = 2.085. (5 points) a. How many individuals participated in the entire study? b. Using a two-tailed test with = .05, what is your critical value? c. What is your decision? d. Compute r2 to measure the variance accounted for by the

) a car dealer wants to estimate the mean age of cars in his county he randomly picks 3.000 cars froma parking lot. He computes the mean age of the sample of 3,000 cars. Is the sample mean a good estimate of the population mean because the large sample size compensates for using a convenience sample Yes or No and why.

Please Help me Thank you Ch 11: Assignment - Introduction to Hypothesis Testing 4. Determining the value of the sample mean just large enough to reject the null Consider a normally distributed random variable X, with a standard deviation 0 = 3. Suppose you are interested in testing the following. Ho: p $225,H1: p >225 Use the Distributions tool to
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A shipment of fourteen smartphones contains eight with cracked screens. If sold in a random order, what is the probability that exactly three of the first six sold have cracked screens? Using combination and permutation fomulas: nCr/nPr

What is the predictor variable? A. The predictor variable is weight, which is represented by x. B. The predictor variable is highway fuel consumption, which is represented by y. C. The predictor variable is highway fuel consumption, which is represented by x. D. The predictor variable is weight, which is represented by y

Siempre (caer) los libros. (Perder) siempre los calcetines. Siempre (romper) las lmparas. Siempre (quedar) los libros en la clase. (Olvidar) siempre mi tarea en casa

1. Give me an example of a null and alternative hyothesis for any field?

Identify two different methods for collecting data in qualitative research. What are the benefits and challenges of each? Propose a method to analyze the data collected by each method. Explain why the analysis is appropriate for the method.

I am working on a project and need some help to get started. My dataset contains 529 players in the NBA, pulled from NBA.com. I have the fields: PLAYER, TEAM, AGE, HEIGHT, WEIGHT, Free Throw %. The hypothesis I want to evaluate is to see if taller players in the NBA are worse in free throw percentage than shorter players in the NBA. What

Carbon Monoxide (CO) is a colourless and odourless gas.Even at low levels of exposure, carbon monoxide can cause serious health problems.A home is considered safe if the mean CO concentration is 5.2 parts per million (ppm) or lower.We take a random sample of 8 readings in various locations of a home.These readings have a mean of 5.4 ppm and a

On a phase diagram for a two-population model, what is a "Null cline"? Group of answer choices A point at which both population variables are not changing. A line along which both population variables are not changing. A point at which at least one population variable is not changing. A line along which at least one population variable is not

Find the prime factorization of 20.Use exponents to show any repeated prime factors. Question content area bottom Part 1 20equals

Data pertaining to the current position of Newlan Company are as follows:Cash $ 80,000Temporary investments 160,000Accounts and notes receivable (net) 235,000Inventories 190,000Prepaid expenses 10,000Accounts payable 158,000Notes payable (short-term) 80,000Accrued expenses 12,000Instructions:1. Compute (a) the working capital, (b) the current
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Thanks in advance. P4 (20 points] Bipartite Graphs a) Draw a graph that is 4-regular, bipartite and not planar. b) Show that your graph is indeed not planar
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as said in question7 Proof of Wilson's Theorem. (7) Let m = p" be a power of an odd prime p (here o E N). Prove that if x2 = 1 mod m then r = 11 mod m. Hint: generalize the proof of Theorem 5.1.6 in the textbook. (8) Let p be a prime number. Prove directly from the definition of the Euler phi function
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2) A company is considering whether or not to buy cybersecurity insurance or not, and also whether or not to hire additional cybersecurity experts to harden their systems. An insurance policy that covers any possible loss up to a maximum of $5,000,000 would cost the company an annual premium of $500,000. Hiring additional cybersecurity experts
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Find all primes p such that (p- 1)! - (23)" = 0 mod p. ) Suppose 24 4 1 is a prit number. Prove that & has not
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(SHOW YOUR WORK) please helpppp it's urgent 1. Use the linear graph to answer each question. a) Identify the quadrant in which each point lies. A Point A: 2- Point B: 12 2 b) What is the x-intercept and the y-intercept of the line? Write each B -2 one as an ordered pair. x-intercept: y-intercept: c) Use your answer from part (b) along with the
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In this database, data is provided for the participant before they could read (age 4) and after they could read (age 6). Using these data we are going to test three hypotheses: 1) Kids at age 4 will NOT show evidence of the Stroop effect 2) Kids at age 6 will show evidence of the Stroop effect 3) Kids at age 6 will show more of a Stroop effect

I need a help, how to perform Cox proportional hazards regression analysis on Excel. I need to determine the survival time ( risk dying) for the survival curve data where patients are divided into treatment groups. Subject Serial Time (years) Satus At Serial Time (1=event; 0=censored) B Group (1 Chemo or 2 Placebo) E 2 F 1 3 A 4 D 4.5 C 5 P U 0.5
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Do not answer these questions by use of unlocks; With this in mind therefore, standard costs need to be reviewed regularly. Some argue that standards should be revised as soon as there are any changes in the basis upon which they are set. If an existing standard is not correctly set, the use of the incorrect standard is pointless. Others say that

What is the relationship between experimentation and measurement?

I have only 10 minutes to answer this question! Please help me Question 8 Jenny borrows $1700 at a 6.5% simple interest rate for 2 years. a. Using the simple interest formula, she would pay back in interest in two years? b. Jenny would pay back a total of
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Hello, there. I would like help for this AP World History Unit 3 Practice. I do understand that it might be a lot, but I just want all of it done. Please do write in complete sentences and not phrases. I would very much appreciate it. Thank you for all you do! Section VI: Government Role in Industrialization 1. How did industrialization contribute
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I'm uploading this question 2nd time , because first time i got answer of this question which contains 30 pages but no one is related to my question,The expert just uploads random 5/6 answer of different questions. He just ruin my question So kindly if you are gonna answer this question . Kindly answer it and kindly mention page numbers on Top of
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lesson plan idea/activity K-2nd grade kids would love for each of the 6 Learning Domains. Total of 6 short descriptions. Write 1 SMART IEP goal in any Learning Domain for a kiddo you know or have worked with. NEED help with these two questions Whole Class Lesson Plan/Activity: Whole Class Lesson Objective: SMART IEP Goal for 1 learner with a
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Identify all the factors that have an effect on power. a. Alternative Hypothesis Direction b. Using SPSS or doing calculations by hand. c. Duration of research experiment. d. Alpha Level e. Whether we're dealing with human or non-human subjects f. Sample Size g. Effect Size h. Importance of the research.

please help me solve this questions and show all workings please \f
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You have a 1.0-inch-thick steel plate that needs to be secured, rigged, and lifted overhead using a mobile crane. Calculate the load weight for the steel plate that is 5 feet long and 4 feet wide. The unit weight of the 1.0-inch-thick steel plate is 40.8 pounds per square foot

Project Two: Hypothesis Testing . You are a data analyst for a basketball team and have access to a large set of historical data that you can use to analyze performance patterns. The coach of the team and your management have requested that you perform several hypothesis tests to statistically validate claims about your team's performance. This
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The number of arrivals at a car wash is Poisson distributed with a mean of 4 cars per hour. The probability that 3 cars will arrive in the next hour is

Please could you answer the questions. y S -0.5x + 5 7y 2 x +5 x>-9 y > 2x - 3 y >-2x -4 10 10 cn/ X -10 -5 (>X $ 10 -10 -5 10 -5 10 -10 x20 y 3x -9 yS-x+6 y
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Please help me thank you 6. Hypothesis tests and confidence interval estimators Consumers with at least one credit card have a mean of 4.84 credit cards. [Source: Sumit Agarwal, John C. Driscoll, Xavier Gabaix, and David Laibson, "Learning in the Credit Card Market," Working Paper 13822, National Bureau of Economic Research (NBER), February 2008.]
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From Exercise 1, part 3 In this exercise, you will calculate the probability using the product rule and build a Punnett Square to compare the values. Parent 1 has a genotype PpFf Parent 2 has a genotype PPFf Using the product rule, what is the probability that their children will have the genotype PpFf? Construct a Punnett square for each trait

Let h(x) = f(x)g(x) and k(x) = (fog)(x). Suppose f(2) = 3, g(2) = 5, g'(2) = 4, f'(2) = 2, and f'(5) = 11. (a) Find h'(2). (b) Find k'(2)

In a simple linear regression model, if you found that the true regression coefficient is significantly greater than zero, then you may also conclude that the two variables are positively correlated. Group of answer choices True False

Please solve on paper and then upload and mist be clear everything! Thanks Let u = 2 and v = 2 . Show that among all the scalar multiples cy of the 4 0 vector v, the projection of u onto v is the vector closest to u, that is, show that d(u, pro ,u) is a minimum
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Which of the following data analysis tools in Excel can generate the same information as shown in the table above? Group of answer choices ANOVA: Two-Factor without Replication ANOVA: Two-Factor with Replication ANOVA: Single Factor T-Test: Two-Sample Assuming unequal variance

Which of the following can you easily determine by looking at the factored form of a quadratic function? The concavity and the vertical intercept. The concavity and the vertex. The concavity and the horizontal intercepts). The vertex and the vertical intercept

Complete Luis's description of what he likes to do. Conjugate the verbs if grammatically necessary. If the vocabulary phrase is multiple words, place all of the words in the blank provided. Yo soy miembro del equipo de Question Blank 1 of 6 type your answer... (debate) en mi escuela. Tengo que Question Blank 2 of 6 type your answer... (to work)

1. Triangles JKL and J'K'L' are graphed on the coordinate grid. L ' Co L 6 4 2 K K -8 -6 4 -2 3 2 4 6 8 -X - 2 J. -4 -61 8 Which statement is true? A. The triangles are congruent because JK _ KL JL J'K - KL' -JL' B. The triangles are not congruent because mc] # mz]', mck # mck', and mLL # mzL'. C. The triangles are congruent because the
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(a) the car will start of the battery is dead. O Compound (Choose one) (b) We woke up to a surprise thunderstorm last night. O Simple O Compound (Choose one) (c) I will get coffee if and only if I want to stay awake. O Simple O Compound (Choose one)
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What can a teacher of pre-K through Grade 3 do to promote a strong foundation in math? What are some ways a teacher can connect mathematical ideas to real-world activities?

According to government data, the probability that a woman between the ages of 25 and 29 was never married is 40%. a) In a random survey of 10 women in this age group, what is the mean and standard deviation of the number that never married? b) Suppose that in a random survey of 10 women in this age group, 6 women stated that they were never

$05) : 563i113t 72 cos 3!? 0 t) : F10(5si]13t+ 72 cos 33) Which of the following are equivalent to the particular system? grit) = 43.702 (:03 (3t + 1) Selected Answer - Incorrect C] $05) : 0.702 cos [3t 0.661) C] 3305) : 030231113]: + 4.142) t) : 43.702 sin (3t + 1) Consider the differentialequationfi: -l 3d: -l- 23': = 8; 53(0) = 1 :i:(0) = 1.
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To determine the distance paced, use which formula? a-# of Paces divided by Pace Length b-Pace Length divided by # of Paces c-# of Paces multiplied by Pace Length d-Pace Length multiplied by 2 then divide by # of Paces e-Pace Length added to # of Paces then divided by # of Paces

2.Warranty records show that the probability that a new car needs a warranty repair in the first 90 days is 0.05. If a sample of 3 new cars is selected: What is the probability that none needs a warranty repair? What is the probability that at least one needs a warranty repair? What is the probability that more than one needs a warranty repair?

Find the area of the kite. Figure is not to scale. 8.9 m |4 m Area = m 2
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how to build a positive relationship bank account with students

Use the graph to determine (a) open intervals on which the function is increasing, if any. (b) open intervals on which the X function is decreasing, if any. (c) open intervals on which the function is constant, if any. (a) Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The function is
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16 15 14 13 12 11 10 9 8 N 8 9 10 12 13 14 1 -16 -14 -13 -12 -11 10 -9 8 7 -6 -5 -4 -3 -2 -1 -1 -7 60 -10 -11
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Need help with questions 4 and 5. 4) The formula for the One-Sample t-test is as follows, with degrees of freedom (df) equal to "n-1": M - H t= SM Imagine conducting a Null Hypothesis significance test in which n = 56, M = 2.4, and SM = 0.86. Use the table above to find your critical t-value (conduct a one-tailed test at alpha = 0.05). (a) What is
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solve them plz I. Solve in R each of the following equations 2x-15 MIN x-1 2-X 5x-30 c) |x + 3| + 12 = 6 d) 4|x - 1| - 5 = 11 e) |x + 21 = 13x - 101
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Let f(x)equals7minus5x. Find f(t). Question content area bottom Part 1 f(t)equals enter your response here

2. A random sample of 16 students has an average score of 76 and standard deviation of 18. Form a 95% confidence interval for population mean. Note: Write your answer in interval form, e.g., (1. 0112, 2.3501)

Let pBtqt0 be a standard Brownian motion. Define the process Mt " max0st Bs for all t 0, that is, the maximum value of the Brownian motion pBtqt0 on r0, ts. (a) Show that the joint cumulative distribution function of pMt. Please read the picture.

A sample of size7 will be drawn from a normal population with mean63 and standard deviation15 . (a) Is it appropriate to use the normal distribution to find probabilities for x ? (b) If appropriate find the probability that x will be between53 and73 .Round the answer to four decimal places. (c) If appropriate find the83 rd percentile of x .Round

Examine completely. Give a source code of the C# Program to Find the Situation of a given Display. Case evaluation. Case condition; The progression of danger care, indisputably maybe the most stunning, multidisciplinary, and data amassed attempts in the totally out of arrangement, is fitting to the more wide utilization of electronic achievement

11 are comedies, 13 are tragedies 12 are histories. find the odds in favor of selecting a history

please help!! i do not understand how to solve 21a 21 Individual actions can play large role in the overall health of our planet . A resea interested in evaluating environmental rcher friendly behaviors evaluated how often wa ally ple recycle ( per month ! based on whether the then peo - have an overall optimistic or an overall pass ther they
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1. If the mz 1 - 2x + 3 and m42 = 3x + 2, then find the m/3. X = 2. If the mZABE = 2x + 5 and m_EBC = x + 4, then find m/2. X = CABE = LEBC= 3. If the mZABD = 4x + 5 and m_DBC = 2x + 1, then find m/EBC. LABD: L DBC- LEBC = 4. If m24 = 4x - 1 and m43 = 5x - 8, then find m_2. X= 23 = 5. If m41 = 4x - 13 and m43 = 2x + 19, then find the m/4. x 7 LY =
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a political poll of 144 people reports that 87 people believed a particular candidate would perform a good job if elected. Calculate a 90 percent confidence interval into which the true percentage of people who believe in the candidate would fall.

order: 3/4 strength ensure 240 ml via no tube over 8h. what is the pump setting \f
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Given the following linear system and using substitution methodwhich expression could be a substitute when finding 5x 2y=21 x 2y= 10

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