S
  1. study help
  2. subject categories
  3. sciences
  4. mathematics
  5. august 2022
  6. 04

Mathematics Questions and Answers August 04, 2022

Expert-verified solutions to help you succeed

one line a graph a data point is the intersection of space and the measurement of the independent variable, of time mand the measurement of the independent variable, of time and the measurement of the dependent variable or of space and the measurement of the dependent

A poll of 2,119 randomly selected adults showed that 94% of them own cell phones. The technology display below results from a test of the claim that 91% of adults own cell phones. Use the normal distribution as an approximation to the binomialdistribution, and assume a 0.05 significance level to complete parts(a) through(e). Test of p=0.91 vs

Only typed solution will be accepted 7. Express each of these statements into logical expressions using predicates, quantifiers, and logical connectives. Let the domain consist of all people. Let S(r) be "r is in your dass," P(r) be "r is perfect." (a) Nobody is perfect. (Use only the universal quantifier.) (b) Nobody is perfect. (Use only the
image text in transcribed

ACME Widgets corporate entity has been setup as a forest root domain. The name Acme-widgets.biz was registered as an external DNS name. All internal divisions have been setup as child domains of the Forest Root domain Acme-widgets.biz

Problem Set 4.7: Tukey HSD Interpretation Criterion : Interpret Tukey HSD results from SPSS output. Data : Use your output from Problem Set 4.10. Instruction : Identify where significant differences exist at the .05 level between your colors.

In a lotterygame, a single ball is drawn at random from a container that contains 25 identical balls numbered from 1 through 25. Use the equation P(AB)=P(A)+P(B)P(AB), where A and B are anyevents, to compute the probability that the number drawn is prime or greater than6

A particular city has an Asian population of1419people, out of a total population of 23,609. Conduct a goodness of fit test at the 5% level to determine if the self-reported sub-groups of Asians are evenly distributed. Round expected frequency to two decimal places. Race Frequency Expected Frequency Asian Indian 136 _______ Chinese 116 ______-

Inflation causes things to cost more, and for our money to buy less (hence your grandparents saying, "In my day, you could buy a cup of coffee for a nickel"). Suppose inflation decreases the value of money by 5% each year. In other words, if you have $1 this year, next year it will only buy you $0.95 worth of stuff. How much will $100 buy you in

you are taking a 20 question muliple choice quiz. each answer has a possible 5 eith only 1 correct. a.) what is n and p? b.) what is mean and stand. deviation c.) P(x 8) e.) P(x <5) f. P(x>=10)

View Policies Current Attempt in Progress Evaluate the determinant of the given matrix by reducing the matrix to row-echelon form. -2 -3 -5 4 -7 -6 4 A 2 6 -3 2 4 -6 2 det(A) =
image text in transcribed

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 2.3 days. What is the 85th percentile for recovery times? (Round your answer to two decimal places.) _______days

I would like help checking this question and the correct formula if wrong. 15. You decide to research further this seemingly contradictory guidance, hypothesizing that the true population average core body temperature amidst higher ambient temperature and humidity levels while using an electric fan is different than 108.9 degrees Fahrenheit (F)

In order to study the color preferences of people in his town, Andrew samples the population by dividing the residents by regions and randomly selecting 7 of the regions. He collects data from all residents in the selected regions. Which type of sampling is used

I have asked this question before, but was told it's missing information. I'm not sure what information the tutors think its missing as this is the whole question. If you're unable to solve the question due to missing information, please be more specific about what part of the question requires more info. Problem 5. In this problem, you may need
image text in transcribedimage text in transcribedimage text in transcribed

Based on the following data: Planet Distance from Sun Years (as a In(Dist) In(Year) (in millions of fraction of Earth miles) years) Mercury 36.19 0.2410 3.5889 -1.4229 Venus 67.63 0.6156 4.2140 -0.4851 Earth 93.50 1.0007 4.5380 0.0007 Mars 142.46 1.8821 4.9591 0.6324 Jupiter 486.46 11.8704 6.1871 2.4741 Saturn 893.38 29.4580 6.7950 3.3830 Uranus
image text in transcribed

OPTIMIZATION: PLEASE DO NOT USE AI. THIS IS A PRACTICE QUESTION AND I NEED HELP. AI WON'T GIVE ME THE HELP I NEED We can easily see that x; = x; = x; = 1 is a feasible point for the following linear program: Maximize u = 4x; + 2x, + 3x5 Subject to: 2x; +3x;, +x3
image text in transcribed

Need help asap! thank you! When the quadratic function -5x2 + 10x = -12 is solved by completing the square, the exact solutions can be written in the form x = 1 A B The value of A is O 17 0 7 O -5 0 5
image text in transcribed

Usually, in sports, we expect top athletes to get better over time. We expect future athletes to run faster, jump higher, throw farther. One thing has remained remarkably constant, however. The percent of free throws made by basketball players has stayed almost exactly the same for 50 years.1 For college basketball players, the percent is about 69

Many investors and financial analysts believe the Dow Jones Industrial Average (DJIA) gives a good barometer of the overall stock market. On January 31, 2006, 9 of the 30 stocks making up the DJIA increased in price (The Wall Street Journal, February 1, 2006). On the basis of this fact, a financial analyst claims we can assume that 30% of the

please help 2. [Derivation/Conceptual] Consider the multiple linear regression model Y = XB + E where Y is the n x 1 column vector of responses, X is the n x (p + 1) matrix for the predictors (with intercept), and E ~ MVN(0, 2 Inxn). Recall that we have the estimator B = (XTX)-1xTY. We showed that / is unbiased since E(B) = 3, and that Var(B) = 02
image text in transcribedimage text in transcribed

In a large city school system with 20elementary schools, the school board is considering the adoption of a new policy that would require elementary students to pass a test in order to be promoted to the next grade.The Parent Teacher Association (PTA) wants to find out whether the parents agree with this plan.Listed below are some of the ideas

Need help finding the confidence intervals for this problem oter 8 (Sectic X Connect X + https://ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fnewconnect.m mework: Chapter 8 (Sections 8.4 through 8.6) Saved Of 43 bank customers depositing a check, 24 received some cash back. (a) Construct a 90
image text in transcribed

Assume that the ACT scores of engineeringstudents at theUniversity of Texasfollows a Normal distribution with the mean of23.5points and standard deviation of 4.2points. 1. Can you find the probability that if one UT engineering student is randomly selected that his/her ACT score is at least 26? a.Yes, we can answer using Z-table because the

At the You Break it You Buy It grocery store, Fred notices damaged boxes of cereal from N. He constructs the following probability distribution on the number of damaged boxes of cereal per pallet. X 0 1 2 3 4 5 6 P(X) 0.52 0.30 0.12 0.03 0.01 0.01 0.01 a.Determine the probability that at most 1 box is damaged. b.Determine the probability that at

Some researchers claim that herbal supplements such as ginseng or ginkgo biloba enhance human memory. To test this claim, a researcher selects a sample of n = 25 college students. Each student is given a ginkgo biloba supplement daily for six weeks and then all the participants are given a standardized memory test. For the population, scores on

A box of nine cellphones contains two red cellphones and seven black cell phones. a. If two phones are randomly selected from the box without replacement (the first phone is not returned to the box after it is selected), what is the probability that both phones selected will be red? b. If two phones are randomly selected from the box without

24.5 Smoking by students and their families. How are the smoking habits of students related to the smoking habits of their close family members? Here is a two-way table from a survey of male students in six secondary schools in Malaysia: Student Student smokes does not smoke At least one close family member smokes 115 207 No close family member
image text in transcribed

What is a likely consequence of not having enough statistical power?Explain.

Please check and solve these problems according to given information and instructions. 1.(25) Suppose that the current daily volatilities of assets X , Y and Z are 1.ON% , 1.2N% and 1.3N% ,respectively. The prices of the assets at close of trading yesterday were $2N. $3N and $4N. Covariances are cov( X, Y) = 0.6. cov( X, Z) = 0.8, cov(Y, Z) = 0.9
image text in transcribedimage text in transcribed

Homework 1.7: Annuities Score: 10.66/56 7/16 answered Question 16 Let's make this material personal for you. Please enter your own choices for the next two questions. How much would you like to have saved for your retirement? ice (do not enter a dollar sign or commas in this answer box) In how many years would you like to retire? years Now that
image text in transcribed

PLEASE HELP answer q10q11q12 10. An education researcher is interested in finding out whether male and female profes- sors are rated differently in student evaluation scores. They take a random sample of professors' administrator records, sort them by gender (identify as male or identify as female), then compile summary statistics of their student
image text in transcribed

Em relao s dose letal 50, correto que: Selecione uma opo de resposta: a. Corresponde quantidade de substncia txica que mata todos os indivduos de uma populao exposta. b. um indicador relevante para as intoxicaes crnicas. c. Usa-se para comparar a toxicidade aguda de diferentes substncias. d. Permite prever reaes idiossincrticas a substncias txicas

i need help with this find lim x 2 -9/ x 2 +1 x-- -1 -9 -4 the limit doesnt exist -5

The following OLS output has some missing values. Model 1: OLS, using observations 1-57 coefficient std. error t-ratio p-value const 0.89732 0.4482 2.002 0.05072 X1 -0.018005 0.14987 C 0.90485 X2 -0.42971 B -4.1635 0.0001235 X3 0.059928 0.17985 0.33322 D X4 A 0.15123 0.78345 0.43706 X5 -1.0132 0.1678 -6.0382 1.9095e-07 X6 0.034101 0.1824 0.18695

F) what effect would removing the "unusual point" have on the correlation? Justify your answer. G) if we converted the car weights to metric tons ( 1 metric ton= 2205 pounds) how would the correlation change? Explain. Free Response 1. The scatterplot below shows the fuel efficiency (in miles per gallon) and weight (in pounds) of twenty subcompact
image text in transcribed

sin x dx ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

If the first roll in a game of craps is neither a natural nor craps, the player can make an additional bet, equal to his original one, that he will make his point before a seven turns up. If his point is four or ten he is paid off at 2 : 1 odds; if it is a five or nine he is paid off at odds 3 : 2; and if it is a six or eight he is paid off at

Here's the problem that I cannot figure out how to solve: Here's the piece of the surface: z = 4 - (x/2)^2 + (y/2)^2 Clear[f, x, y, z, r, t, surfaceplotter]; f[x_, y_] = 4 - (x/2)^2 + (y/2)^2; x[r_, t_] = r Cos[t]; y[r_, t_] = r Sin[t]; z[r_, t_] = f[x[r, t], y[r, t]]; surfaceplotter[r_, t_] = {x[r, t], y[r, t], z[r, t]}; hit = {0.36235, 0.93203,

Can anyone help with this type of question? Month Profit ($) Jan-12: 5,100 Feb-12: 4,853 Mar-12: 4,674 Apr-12: 4,237 May-12: 5,005 Jun-12: 5,158 Jul-12: 5,319 Aug-12: 6,026 Sep-12: 5,781 What are the MAD, MSE and MAPE scores for the three-period moving average? Round any intermediate calculations, if necessary, to no less than six decimal places,

MINDTAP el: Graded Tutorial #2 (Ch. 2) $ 58 hundred Question 5. The MATCH function can use a cell reference for the lookup value. Use the dropdown box in cell F13 to find the sales data fo NewspaperAd which will appear in cell F11. Enter your answers in hundreds of dollars. GoogleAd: $ hundred NewspaperAd: $ hundred The INDEX/MATCH functions can
image text in transcribed

A book show consists of exhibits by three publishers: Penguin, Random House, and Springer. Penguin is providing 35% of the titles, Random House providing 25%, and Springer is providing the remainder. Each publisher's exhibit consists of fiction and non-fiction titles. Penguin's exhibit has 80% fiction titles, whereas Random House's only has 50%

In a town, 40% of residence will vote for candidate A.If we randomly survey five residence, what is the probability that at least one resident we Sir we will not vote for candidate A?

The mean is the best measure of central tendency when you have outliers. True or False

Consider the following data regarding students' college GPAs and high school GPAs. The estimated regression equation is Estimated College GPA=2.42+0.2250(High School GPA). \f
image text in transcribed

About63% of young adult Internet users (aged 18 to 29) use social network sites. Suppose that a sample survey contacts an SRS of1600young adult Internet users and calculates the proportion p in this sample who use social network sites. (Enter your means to two decimal places and round your standard deviations to four decimal places.)

Please answer questions below. Dr. Rompecabeza believes that the age of a person (young, middle, old) affects driving skill (a = .05). He got a sample of 24 drivers (8 per condition) and got the following data on driving skill: Data Set Young Middle Old Ex 141 192 131 N 8 8 8 Question 3 3 pts Complete the following source table for Rompecabeza's
image text in transcribed

81% of 437 randomly selected new car owners say that they did extensive research online before making their purchase. Select all of the following that are true. 81% is a statistic because it represents some, but not all, new car owners. The population of interest is all car owners who do extensive research. 437 is a parameter because it represents

An oil refinery is located on the north bank of a straight river that is2km wide. A pipeline is to be constructed from the refinery to storage tanks located on the south bank of the river4km east of the refinery. The cost of laying pipe is$200,000/km over land to a point P on the north bank and$400,000/km under the river to the tanks. To minimize

Imagine you are in a game show.There are 4 prizes hidden on a game board with 16 spaces.One prize is worth $4000, another is worth $1500, and two are worth $1000.You have to pay $50 to the host if your choice is not correct.Let the random variable x be the winning. (a) Complete the following probability distribution. (Show the probability in

All of the following are typically perceived as drawbacks to biometric systems, except: Potential privacy concerns Confidence Rating 0 Set your confidence just for this answer Legality Lack of accuracy Retention of physiological data past the point of employment

Find the maximum livelihood in the following values The breaking shengthe of cables produced by a certain manufacture have a mean, ju. of 1875 pounds, and a standard deviation of 95 points. it to chamand that an improvement in the manufacturing process has increased the mean breaking strength, To evaluate this chain, 20 newly manufactured cables
image text in transcribedimage text in transcribedimage text in transcribed

University wants to raise standards for admission. As a first cut, she is thinking about rejecting from further consideration all applicants for admission whose combined scores on the verbal and quantitative portions of the Graduate Record Examination (GRE) fall into the bottom 70% of all who took the Examination in the previous year. Last year

A business analyst believes that December holiday sales in 2016 are a good predictor of December holiday sales in 2017. A random sample of 8 toys stores produced the following data where x is the amount of December holiday sales in 2016 and y is the amount of December sales in 2017, in dollars. x y 10257 11689 6556 6438 7224 8662 9987 9454 11568

Assume that you are a consultant and CPU College is requesting you to develop a strategic plan for the college. What steps will you follow to develop the strategic plan for the college and what strategic evaluation framework will you use after implementation of the strategy

Question 5 1 pts Suppose the age distribution of the Canadian population and the age distribution of a random sample of 492 residents in the Indian community of Red Lake are shown below. Observed Number Age (years) Percent of Canadian Population in Red Lake Village Under 5 9.0% 28 5 to 14 13.9% 56 15 to 64 66. 1% 349 65 and older 11.0% 59 Use a =
image text in transcribed

The following statement provides two values. For the pair ofvalues, use a percentage to express their relative change or difference. Use the second given value as the reference value. The population for a particular region is now 309,378,807, and in 1998 it was 287,388,273. The relative change is ?

naturalists studying specific regions of the rainforest wanted to estimate the population of snakes in a certain area. in the first sampling they caught and marked 180 snakes, and in the second sampling they collected 360 snakes. thry found that only 60 of them had been orginally marked. 3. what is the total assumed population of the snakes in

Here is the boxplots of X and Y > boxplot (X,Y, names = c ("X","Y")) \f
image text in transcribed

14. A loan used for buying a home is called a mortgage. The Fortunato family is borrowing $430,000 to buy a home. They are taking out a 30-year mortgage at a rate of 3.55%. a. Compute the monthly payment to the nearest cent. b. Find the total of all of the monthly payments for 30 years. c. What is the total interest? d. Which is greater, the
image text in transcribed

The number of wins for a high school football team is measured for the season. When the team plays at home, it is generally believed that they will win. Comparing the location of the game and the number of wins, a correlation coefficient of -0.11 is calculated. What would this imply about the football team winning at home? (4 points) The scatter

A murder has taken place! The investigator estimates that the deed took place at 1800 hours (i.e. 6 PM) in the COB1 building. The suspects were interviewed and their alibis were remarkably probabilistic. Help out by breaking down the requested calculations. Let t be the number of hours after 12 noon. Psychology professor MA carpools with her

Final Project Notification This is notification of your final project for this course. Prior to starting your final project please get approve from your faculty mentor on your idea for the project. This project is due at the end of the course. Your final project will be a short paper featuring a simple regression on a topic of your choosing. The

a) Banting is believed to reduce weight when done for a minimum of 10 days. A random sample of 5 ladies were weighed before and after Banting. The data is displayed on a table below. Person Weight before Weight After 1 85 82 2 96 90 3 105 95 4 78 90 5 120 110 Construct a 95% for the difference in mean weight. [8 Marks] b) Suppose you want to know

The following is data for the number of users y (in millions) for a social networking app x years after it's initial startup. Find the linear regression line for the table of values. You will need to use a calculator, spreadsheet, or statistical software. Enter your answer in the form y=mx+b, with m and b both rounded to two decimal places. x y 1

MALE 5 5 8 5 6 7 4 5 3 4 8 5 10 6 5 5 8 7 5 6 FEMALE 9 8 7 7 9 8 8 8 9 10 7 9 8 9 7 9 8 7 9 7 1) Use a statistical software program or your favorite stats website and find the t value for an unpaired 2 sample t test using the data from the 2 groups, the males and the females. Answer : 2) What is the degrees of freedom associated with this t test?

I need help with the below Visual Basic Program. I managed to make the front end of the application but I need help with back end code with the below mentioned specification. Application requirements: Create application that will allow the user type string in a single text box. As the user types each character you will analyze the string as
image text in transcribedimage text in transcribedimage text in transcribed

Research Scenario. A consultant who specializes in political campaigns tests the success of three ads in convincing registered RATIONALE BERATE CONTRAST voters to support a candidate. He OPPONENT POSITIONS wants to test two groups of registered voters - those who WEAK 70 25 currently express weak or strong WEAK 30 55 affinity to the registered
image text in transcribed

The simple linear regression (least squares method) minimizes: a. SSE . b. Total variation. c. SS yy . d. The explained variation. e. SS xx .

Un fil de fer de 7 mtres de long est coup en deux. On forme un carr avec le premier morceau et un cercle avec le second. (a) Comment faut-il couper pour que l'aire totale des deux figures soit maximale? Longueur de fil pour le carr = Nombre m. (b) Comment faut-il couper pour que l'aire totale soit minimale? Longueur de fil pour le carr = Nombre m.

Use the given information to find a formula for the exponential function N = N ( t ). N (3) = 27 and N (6) = 1 N ( t ) =

Find (a) the Fourier cosine series, (b) the Fourier sine series. (Use even and odd half-range expansions.) f(x) = 4 (0
image text in transcribedimage text in transcribed

\f
image text in transcribed

1) The Null Hypothesis is: a) The waiting time for customers at MacBerger Restaurants is equal to b )The waiting time for customers at MacBerger Restaurants is greater than c) The waiting time for customers at MacBerger Restaurants is less than d) The waiting time for customers at MacBerger Restaurants is not equal to Enter the correct answer by
image text in transcribed

Two cards are drawn from a deck of 52 cards successively without replacement. (a) What is the probability that one of the two is an"ace" and another is a "red-10". Remember, they could appear in any order. (b) What is the probability that one of them is red and the other is black. (c) Referring to (b) above, and consider the following problem: "A

An automatic machine in a manufacturing process is operating properly if the lengths of an important subcomponent are normally distributed with a mean of 117 cm and a standard deviation of 5.6 cm. B. Find the probability that if 4 subcomponents are randomly selected, their mean length exceeds 119 cm. C. Find the probability that if 4 are randomly

Data was collected on youths (in grades 9-12) on if they smoke cigarettes regularly (Yes, No), if they smoked marijuana regularly (YesM, NoM), and the number of hours of sleep they get (on average). Group means for all factors, and all treatment levels follow: \f
image text in transcribed

Kari asks a class of 10 students how much they like statistics on a scale of 1 to 10, with 10 being the highest value. She gets the following answers: 10 10 10 10 10 10 10 10 10 10 What can you say about the mode, median, and mean of this data

\f
image text in transcribed

The table below contains the birth weights in grams of 26 African American babies born at BayState Medical Center in Springfield, Massachusetts in 1986. Compute a 95% confidence interval for birth weight. Weight 2536 2777 2898 2921 2935 2976 2984 3059 3036 3302 3381 3391 3429 3748 3902 1124 1713 1944 2158 2183 2287 2370 2358 2404 2433 2483 Find

Please answer c and d Let AB, and C be three events with probabilities given below: Find P(A|B). Find P(C|B). Find P(B|A u C). Find P(B|A, C) = P(B|A n C). an'm
image text in transcribed

how do I find the standard deviation with a mean of 43 minutes, n = 36?

To illustrate the effects of driving under the influence(DUI) ofalcohol, a police officer brought a DUI simulator to a local high school. Student reaction time in an emergency was measured with unimpaired vision and also while wearing a pair of special goggles to simulate the effects of alcohol on vision. For a random sample of nineteenagers, the

Please help me with these problems 1. Suppose we have two normally distributed populations with equal (unknown) variances and unknown means. Let 02 be the common variance, and p.1, #2 the two means. Suppose we take samples from each p0pulation of size n from each and want to test the null hypothesis H0 that 111 = #2 against the alternative
image text in transcribed

A university is researching the impact of including seaweed in cattle feed. They assign feed with and without seaweed to be fed to cattle at two different dairy farms. The two-way table shows randomly collected data on 200 dairy cows from the two farms about whether or not their feed includes seaweed. With Seaweed Without Seaweed Total Farm A 50

Q1 (10 points) Solve y" +y' - 2y = sint by the method of undetermined coefficients. = Add Image/PDF files or drag and dropQ2 (10 points) Consider the differential equation y' y = 2 cost. Solve it by (a) using an integration factor, (b) the method of undetermined coefficient and (c) the variation of constant. ) Add Image/PDF files or drag and drop
image text in transcribedimage text in transcribedimage text in transcribed

The current advertising campaign for Red Bull would be changed if less than30% of consumers like it. a Formulate the null and alternative hypotheses. b Discuss the Type I and Type II errors that could occur in hypothesistesting. c Which statistical test would you use? Why? d A random sample of 300 consumers was surveyed and 84

Cp considers the within-subgroup standard deviation and Pp considers the total standard deviation from the sample data. True or False?

3. A researcher, Warr (summarizing Putnam) claims that an increase in watching television has led to fewer hours in the day to be active civically. Test that idea by comparing average days of church at- tendance in a year across people who watch less than average hours of television per day and those who watch above-average hours of television per
image text in transcribed

Question# 2. Please answer all and complete the diagram. Expand Sidebar MIND Problems: Chapter 11 X to Assignment tempts Average / 1 Individual Problems 11-2 hen Great Britain voted to leave the eurozone, the pound depreciated 17% against the dollar. It also raised fears that the eurozone, which uses the uro as a common currency, would fall apart.
image text in transcribed

Given a sample with r = 0.823, n = 10, and = 0.05, determine the standardized test statistic t necessary to test the claim = 0. Round answers to three decimal places

This state had an average math score of 480.6 . Calculate the residual associated with this state and comment on its value in the context of the problem.

Construct a 95% confidence interval for the the population mean.Assuming the population has a normal distribution.A sample of 20 college students had mean annual earnings of $3120 with a standard deviation $677.

Please help. Thank you. Assignment Score: 43.3% Resources Hint Check Answer K Question 5 of 15 > Stacked Suppose a researcher wants to examine the manual dexterity of nurses by comparing the reaction time of their dominant hand with that of their non-dominant hand. The researcher randomly selects 31 right-handed nurses and administers a test of
image text in transcribed

EU. HEIEI' t0 the IDUDWiIlg DI'E'KWl'l DI I'E'SPDHSES t El SURE}? DI l'l' S-E'I'ViCE in El l'ltE'L Response Frequency Not Satised Ell} Satised 4o Hiyy Satisfied ll} What is the class interval for the frequency table above? A. 10 B. 20 C. 40 D. None of the above
image text in transcribed

For all the questions, please show the work (steps), also show diagrams, pictures, etc. And formulas) 1a) Suppose you were to toss three coins. What is the likelihood that you would observe at least two heads? What is the expected number of heads? *Note: In the solution must be shown: the tree diagram, the table of the theoretical probability
image text in transcribed

how to solve the following questions, just answers no explanation Assume that you have a sample of n1 = 6, with the sample mean X, = 48, and a sample standard deviation of S, = 7, and you have an independent sample of n2 = 7 from another population with a sample mean of X2 = 32 and the sample standard deviation S2 = 6. Assuming the population
image text in transcribedimage text in transcribedimage text in transcribed

\\ fVv\\ tt- SL_II\\~.., _ e" ( ti' -f 10\\M..l a,._JJ__!:z \\'~ ._ r-I ~ \\) W ~~t 9'Y\\l I ~ t- z_Q) - S-{ C-t ~t (p ~ V ot+~ I !T I - t-~- l +~ '2- 0 \\ 1' ( ~~ -1--, i .:-': . \\ Cl\\ - -=) }~~ ~~ _/f C' ~ w~t-_s -\\-~ YfM~ ~ ~1) f0 111M tl\\.(_ \\ Llo '!--z lt? tt~ Q_ ?L~ \\)-{_ ~ r lL"l- tllb o-r 110 ~+ i!'r~t l t.~~ Jtd~ r ~Dt ~ \\--0 '-{

Part A. Short-term market reaction to the M&A - how do investors respond to M&A announcement? Required: Prepare a 3-4 pages paper that summarizes your finding. Please spend pages 1 and 2 for writing and page 3 and/or 4 for tables or figures. Outline: 1. Introduction - Full-sample analysis . Clearly define the full sample events provided (time
image text in transcribed

A food safety guideline is that the mercury in fish should be below 1 part per million (ppm). Listed below are the amounts of mercury (ppm) found in tuna sushi sampled at different stores in a major city. Construct a 98% confidence interval estimate of the mean amount of mercury in the population. Does it appear that there is too much mercury in

Which type of bias indicates that investigators do not submit the results of their studies when the findings do not support "positive" associations and increased risks (that is, "null findings")? Group of answer choices Selection Bias Publication Bias No Bias Information Bias

Showing 100 - 200 of 1502
  • 2 / 16