If X is a continuous random variable having pdf as shown. Find 1. The constant k. 2. P(X>0). 3. X, X2,0%. k p(x) 4 k/2 X -3 -1 0 1 2
Q: The Ministry of Education has commissioned a study to determine students’ reading ability based on…
A: The Ministry of Education conducted a study to determine the impact of illumination levels on…
Q: 14) Seven students and three teachers wish to join a committee. Four of them will be selected by the…
A:
Q: We want to estimate the number of female chicks in a big aviculture via sampling. How many chicks…
A: To estimate the number of female chicks with a specified margin of error and confidence level, we…
Q: Final answer whole number
A:
Q: Help me solve # 4
A: Probability is a measure of how likely an event will occur. For a probability distribution, the sum…
Q: Using only inclusion-exclusion for two events (from page 17 of the notes), provethe…
A: Now given thatP(A∪B)=P(A)+P(B)−P(A∩B)Same goes for B and C , also for A and CNow we have to…
Q: In a sample of 176 students at an Australian university that introduced the use of…
A: Given information: Sample size, n=176Number of students who indicated a belief that the…
Q: We draw successively and with replacement 4 cards from an ordinary deck of 52 cards. Let X be the…
A:
Q: Suppose X and Y have joint PDFfX,Y (x, y) = cxy if 0 < x < y < 1 0…
A: a) Find the value of ccc that makes this a valid joint PDF.To be a valid joint probability density…
Q: Consider an irreducible Markov chain X on the state space S = {a, b, c, d, e, f} with transition…
A:
Q: The following observations are on stopping distance (ft) of a particular truck at 20 mph under…
A:
Q: The following data are the scores for 24 students on an algebra test. 70 38 62 49 26 26 51 14 64 66…
A:
Q: Classify the following as either a discrete random variable or a continuous random variable.…
A: A random variable is a variable whose possible values are numerical outcomes of a random phenomenon.…
Q: Please answer number 17
A: Step 1: a. Suppose the random variable of interest is X. According to the question, the random…
Q: 5. You pay $45 to play a game. After paying, you get to draw a prize from a bowl. The bowl has one…
A: Probability Distribution Table:XP(X)XP(X)100.22250.25500.210750.2151000.220The expected value of…
Q: Suppose you are playing a simple game that costs you $5 per play, where you draw one cardfrom a…
A: Feel free to ask for further explanations.
Q: A certain insecticide kills 70% of all insects in laboratory experiments. A sample of 11 insects is…
A: Step 1: Define a random variable x that denotes the number of insects that will die in laboratory…
Q: 15. a) How many ways are there to arrange the letters in the word BICHETTE? b) How many arrangements…
A: a) How many ways are there to arrange the letters in the work BICHETTE?Step 1: Identify the formula…
Q: A lot of 932 components contains 344 that are defective. Two components are drawn at random and…
A: The probability of event A, P(A), is the probability that the first component drawn is defective.…
Q: Please do the following questions with handwritten working out.
A: The equation represents the probability that the age (θ) is greater than or equal to t, and the…
Q: Measures of Center: Question 7 Listen Instructions The Amazon ratings below are for 4500 Live…
A: Step 1: Step 2: Step 3: Step 4:
Q: A carpet merchant has a stock of 200 rugs. Toestimate the average size of his rugs, the manager…
A:
Q: 2. After an earthquake, each building in a community can be classified based on the ground shaking…
A: a.To write the sample space, we first need to calculate the possible combinations in the sample…
Q: Q1 1. The following spinner was spun 38 times. What is the probability of spinning A 16 times?…
A: Given : (i) The spinner is spun 38 times(ii) Out of total 8 sections, 2 sections are marked as A…
Q: 1.a) Find the conditional probability of a variable Y given X=x for a joint distribution with a…
A: Problem 2 We are given a joint distribution f(x, y) = c (x - 1) y for 0 < x < 4 and 0 < y…
Q: In Hawaii, the license plates have a unique letter designation based on the island counties that…
A: Step 1: Step 2: Step 3: Step 4:
Q: Let X1, X2, and X3 represent the times necessary to perform three successive repair tasks at a…
A:
Q: (a) What is the probability that a five-card poker hand contains exactly one Ace? (b) Find the…
A: Probability is a measure of how likely an event will occur. To calculate probability, the formula is…
Q: ind the proportion of women who are more than inches tall.
A: To proceed, I need the following information:1. The mean height of the women.2. The standard…
Q: 4. (i) Let a be a positive constant and f(x) = ax² e −4x x = R. Find a such that f(x) is a…
A: Hopefully, It will be helpful for you.
Q: problem 2 case eastern junior college awarded 26 varsity letters in crew, 15 in swimming, and 16 in…
A: First, we need to identify the total number of awards given. This is the sum of the number of awards…
Q: Using a random sample of 742 TV households, Acme Media Statistics found that 41.1% watched the final…
A:
Q: A regional director responsible for business development in the state of Pennsylvania is concerned…
A: If we are looking at the occurrence of an event over a certain interval, especially an interval of…
Q: Does the following game have a saddle point? B B2 1 3 15-15 0 A2 9 -7 3 3 -5 2 9 Select the correct…
A: So the correct option is B.
Q: 8.21 A soft-drink machine is regulated so that the amount of drink dispensed averages 240…
A: The answer provided is correct and complete. It accurately follows the given information and…
Q: Question 1 A restaurant manager is interested to study the distribution of customers having dinner…
A: Step 1:Given data : Step 2:Plug the given data into Excel and then Make the data in one Single…
Q: A statistician calculates that 7% of Americans own a Rolls Royce. If the statistician is right, what…
A: Given:p = population proportion = 7% = 0.07n = 466 Note:The sampling distribution of the proportion…
Q: Find the value of z if the area under a standard normal curve (a) to the right of z is 0.4168; (b)…
A: Understanding the ProblemWe're dealing with a standard normal distribution, which is a bell-shaped…
Q: Let X and Y be continuous r.v.s with the following joint PDF:fX,Y (x, y) = 1/y for 0 < x < y…
A: To address the questions regarding the joint probability density function (PDF) fX,Y (x,y) = 1 / y…
Q: Calculate the following: B = 1, 3, 5) A = }1, 2, 3, 4, 5(8) If ( |(A × B) U (B x A)| .a |(A x B) (B…
A: last page
Q: The percent frequency distributions of job satisfaction scores for a sample of information systems…
A: a. To develop a probability distribution for the job satisfaction score of seniors, you first need…
Q: 8.25 The average life of a bread-making machine is 7 years, with a standard deviation of 1 year.…
A:
Q: Suppose 56% of the doctors in a hospital are surgeons. If a sample of 417 doctors is selected,…
A: given:p = population proportion p = 56% = 56/100 = 0.56 n = sample size n = 417 In order to find the…
Q: Please plot graphs to represent the functions
A:
Q: At a recent meeting at the American College of asthma, allergy and immunology researchers reported…
A: The given values are:Probability of relief from sinusitis after allergy vaccinations, p = 0.98Number…
Q: Problem # 4. Yet another variation on a vaguely familiar theme...: A startup has developed a…
A: Step 1: let's go through each part of the problem step by step. Problem #4Given Information:Random…
Q: Point 2. An authorized virtual store of a well-known cellphone brand is interested in understanding…
A:
Q: 5.8 7.3 6.3 8.2 8.7 7.8 9.7 6.8 7.7 7.0 9.7 Flexural strength is a measure of a material's ability…
A: Step 1: Sort the data points. The first thing that we need to do is arrange the given data set from…
Q: g12 math data management 8
A: Part (a): 7!9! Given: 7!9! 1. Formula for nPr: nPr=(n−r)!n! We want to express 7!9! in…
Q: The probabilities and gain or loss for guessing on a standardized test is shown in the table to the…
A: The expected value (E) of a random variable is a weighted average of all possible values of the…
Step by step
Solved in 2 steps
- Table 6 shows the year and the number ofpeople unemployed in a particular city for several years. Determine whether the trend appears linear. If so, and assuming the trend continues, in what year will the number of unemployed reach 5 people?1 is decreasing. 76. Show that an = %3D 2n +1yegATAT COucebr CuocK 2. BOWLING. A bowling handicap is a percentage of the difference between your average and a basis average. Your bowling handicap allows you to compete against other bowlers with varying levels of skill and ability with an equal chance of winning. If you belong to a bowling league in which each bowler's handicap h is determined by his or her average a using this formula: INDOKEBIA 2018 h = 0.9 (200 - a). If the bowler's average is over 200, the handicap is 0. all to riqsig ort be a. Find the inverse of the function. https://www.bworldonline.com/philippines-ends-asian-para-games- bid-at-a-much-improved-11th-place-from-24th/ b. Find your average if your handicap is 27. Solve here: eeri nislo noionut eeevni ha 1ol noilsupe ne pribni ni ed 18
- P(z<2.25)=(T3) 10. Which statistic below is the best example of incidence of a disease? - [ ] In 2005, 2 million people died from HIV - [ ] A total of 65 million people have gotten HIV - [ ] In 2005,4 million people acquired HIV - [ ] A total of 40 million people have died from HIV infection - [ ] 25 million people currently suffer from HIV infectionConsider the following model of a market for hats in which Qs is quantity of hats produced, Qd is quantity of hats purchased and P is the price of a hat. Qs=5+12P Qd=50-3P if production conditions change so that Qs=-10+12P, what will be the change in Q*? compared to the value 41, such that Q*=Qs=Qd remains true? a. 4 b. -3 c. -4 d. 3
- José makes a score of 70 on an exam (e.g., his "little x" = 70). Suppose that the percentile associated with a score of 70 happens to be the 70th percentile. This means 70% of the class scored above him 70% of the class scored below him 70% of the class made a score of 70 his Z-score = +1A light fixture contains five lightbulbs. The lifetime of each bulb is exponentially distributed with mean 199.0 hours. Whenever a bulb burns out, it is replaced. Let T be the time of the first bulb replacement. Let X1, i = 1, . . . , 5, be the lifetimes of the five bulbs. Assume the lifetimes of the bulbs are independent. 1. Find P( X1 > 100). (Round the final answer to four decimal places.) 2. Find P( X1 > 100 and X2 > 100 and • • • and X5 > 100). (Round the final answer to four decimal places.) 3. Find P(T ≤ 100). (Round the final answer to four decimal places.) 4. Let t be any positive number. Find P(T ≤ t), which is the cumulative distribution function of T. 5. Find the mean of T. (Round the final answer to two decimal places.)1 The menu at a café is shown below. Main coursе Dessert Fish and Chips $3 Ice Cream $1 Apple Pie Sponge Pudding Spaghetti $3.50 $1.50 Pizza $4 $2 Steak and Chips $5.50 The owner of the café says that all the main-course dishes sell equally well, as do all the desserts, and that customers' choice of dessert is not influenced by the main course they have just eaten.
- 1/x +3/2 = -4/7 + 6/(2 x) %3DK Fit a regression line to the data shown in the chart, and find the coefficient of correlation for the line. Use the regression line to predict life expectancy in the year 2000, where x is the number of decades after 1900. year, x 0 (1900) life expectancy, y 49.1 years 51.4 years 2 (1920) 4 (1940) 53.0 years 6 (1960) 54.2 years 55.2 years 8 (1980) Choose the regression line. OA. y = 0.750x - 49.58 O C. y = 0.750x + 49.58 OB. y=49.58x + 0.750 = 49.58 ○ D. y = The life expectancy in the year 2000, rounded to one decimal place is years.The year is 208o. The market portfolio has an expected return of 12%, and a standard deviation of returns of 20%. Bitcoin, with return řBTC, is now 70% of the market by market capitalization. That is, in the market portfolio, wBtC = constitute 30% of the market, by market capitalization. 0.7. Let's call the other components of the market collectively fother: They Write an expression for the covariance of fBTC with the market, in terms of the variance a) of řBTC, the variance of řother, and the covariance of řBTC with rother· b) ĪBTC, the variance of fother, and the covariance of fBTC Wwith fother. Write an expression for the variance of the market portfolio, in terms of the variance of c) CAPM holds, what is the expected return on bitcoin, E [ĩBTCl? Assume that the risk-free rate is 3%. The standard deviation of řBTC is 25% and the standard deviation of ĩother is 12%. If the
