1. In commuting to work, a professor must first get on a bus near her houseand then transfer to a second bus. Let Y denote the waiting time (in minutes) for theschool bus. Assume the total waiting time Y has the pdf10 10a. What is the cumulative distribution function of Y?b. Compute E(Y).c. Compute Var(Y).

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Answered: and then transfer to a second bus. Let…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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1.40 Continuous or Discrete? Identify each variable as continuous or discrete: EX a. Number of homicides in Detroit during a one-month period b. Length of time between arrivals at an outpatient clinic c. Number of typing errors on a page of manuscript d. Number of defective lightbulbs in a package containing four bulbs e. Time required to finish an examination
Let x be the age of a licensed driver in years. Let y be the percentage of all fatal accidents (for a given age) due to failure to yield the right of way. For example, the first data pair states that 5% of all fatal accidents of 37-year-olds are due to failure to yield the right of way. x 37 47 57 67 77 87 10 17 28 44 Complete parts (a) through (e), given Ex = 372, Ey = 112, Ex = 24814, Ey = 3198, Exy = 8254, and r- 0.941. (a) Draw a scatter diagram displaying the data. Graph Layers After you add an object to the graph you use Graph Layers to view and edit its properties. No Solusion WebAssign. Graphing Tool (b) Verify the given sums Ex, Ey, Ex, Ey, Exy, and the value of the sample correlation coefficient r. (Round your value for r to three decimal places.) Ex = Ey = Ex? - Ey? - Exy = (c) Find x, and y. Then find the equation of the least-squares line ŷ = a + bx. (Round your answers for x and y to two decimal places. Round your answers for a and b to three decimal places.) y=
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Overproduction of uric acid in the body can be an indication of cell breakdown. This may be an advance indication of illness such as gout, leukemia, or lymphoma.f Over a period of months, an adult male patient has taken seven blood tests for uric acid. The concentration was x = 5.35 mg/dl. The distribution of uric acid in healthy adult males can be assumed to be normal, with o = 1.77 mg/dl. (a) Find a 95% confidence interval for the population mean concentration of uric acid in this patient's blood. What is the margin of error? (Round your answers to two decimal places.) lower limit upper limit margin of error (b) What conditions are necessary for your calculations? (Select all that apply.) O o is unknown O normal distribution of uric acid O n is large Oo is known O uniform distribution of uric acid (c) Interpret your results in the context of this problem. O The probability that this interval contains the true average uric acid level for this patient is 0.05. O The probability that…
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and then transfer to a second bus. Let Y denote the waiting time (in minutes) for the school bus. Assume the total waiting time Y has the pdf 1 у 25 0 10 5 25 a. What is the cumulative distribution function of Y? b. Compute E(Y). c. Compute Var(Y).