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- Show me full answers and steps to part d) and e) Don’t use R or excel formula. Use expected formula and mean formula to calculateFind the area of the shaded region. The graph depicts the standard normal distribution with mean 0 and standard deviation 1. Click to view page 1 of the table. Click to view page 2 of the table. The area of the shaded region is (Round to four decimal places as needed.) () 1 z = 0.31Userif X represents a random variable coming from a normal distribution with mean 5 and it P(X > 6,5) = 0.35 then P(5 < x < 6.5) = 0.15
- Consider the probability distribution function: X: 0. 1. 2. Probability: 0.2 0.7 0.1 For the above distribution function, the variance of XisUsing the normal distribution table find Z0 such that: P(Zz Zo) = .0918 2.57 1.33 1.64 1.87A random variable X has a continuous uniform distribution from 13 to 26 inclusive. What is P(X 2 22)? 0.3571 0.3077 0.2308 0.4170
- The proportion of vehicles which drive above the speed limit on a freeway is 85%. Suppose 100 vehicles are randomly clocked. 20 If each speeding vehicle is issued a $185 speeding ticket, the expected value of the ticket amount is $________. a $15,725 b $14,560 c $13,480 d $12,485This scatter plot shows the relationship between the number of sweatshirts sold and the temperature outside. Sweatshirt Sales vs. Temperature 300 250 200 150 100 50 10 20 30 40 50 Temperature (°F) The y-intercept of the estimated line of best fit is at (0, b). Enter the approximate value of the b in the first response box. Enter the approximate slope of the estimated line of best fit in the second response box. у-intercept slope 12 3 + 4 56State the property of an estimator that gives a correct estimate of the population parameter of interest, but only on average.probability and random variable Haider Ali AL-Saidi EXomfle CH-o): let X aned Y are C.g.Vs with joint →くれく4 →にすShack Homebuilders Limited is evaluating a new promotional campaign that could increase home sales. Possible outcomes and probabilities of the outcomes are shown next. Possible Outcomes Ineffective campaign Normal response Extremely effective Additional Sales in Coefficient of variation Units 50 70 130 Probabilities 0.40 0.30 0.30 Compute the coefficient of variation. Note: Do not round intermediate calculations. Round your answer to 3 decimal places.Let X be a random variable with E[X] = 4, E[X²] = 2.5, E[X³] = 3, and Y = -3 * X2 +1. Find the covariance µxy [The answer should be a number rounded to five decimal places, don't use symbols such as %)SEE MORE QUESTIONSRecommended textbooks for youPrinciples of Economics (12th Edition)EconomicsISBN:9780134078779Author:Karl E. Case, Ray C. Fair, Sharon E. OsterPublisher:PEARSONEngineering Economy (17th Edition)EconomicsISBN:9780134870069Author:William G. Sullivan, Elin M. Wicks, C. Patrick KoellingPublisher:PEARSONPrinciples of Economics (MindTap Course List)EconomicsISBN:9781305585126Author:N. Gregory MankiwPublisher:Cengage LearningManagerial Economics: A Problem Solving ApproachEconomicsISBN:9781337106665Author:Luke M. Froeb, Brian T. McCann, Michael R. Ward, Mike ShorPublisher:Cengage LearningManagerial Economics & Business Strategy (Mcgraw-…EconomicsISBN:9781259290619Author:Michael Baye, Jeff PrincePublisher:McGraw-Hill EducationPrinciples of Economics (12th Edition)EconomicsISBN:9780134078779Author:Karl E. Case, Ray C. Fair, Sharon E. OsterPublisher:PEARSONEngineering Economy (17th Edition)EconomicsISBN:9780134870069Author:William G. Sullivan, Elin M. Wicks, C. Patrick KoellingPublisher:PEARSONPrinciples of Economics (MindTap Course List)EconomicsISBN:9781305585126Author:N. Gregory MankiwPublisher:Cengage LearningManagerial Economics: A Problem Solving ApproachEconomicsISBN:9781337106665Author:Luke M. Froeb, Brian T. McCann, Michael R. Ward, Mike ShorPublisher:Cengage LearningManagerial Economics & Business Strategy (Mcgraw-…EconomicsISBN:9781259290619Author:Michael Baye, Jeff PrincePublisher:McGraw-Hill Education