Problem 3. (16 points) Let ¢ be a point selected at random uniformly from the unit interval [0,1].Consider the random variable X = es.(a)(b)ts) Sketch X as a function of C.Find and plot the CDF of X.(c)Find the probability of the events {X > √e} and {e0.25 < X ≤ e0.75}.

Part (a): Sketch X as a function of ζ.The random variable X is defined as X = e^ζ, where ζ is…

Answered: Problem 3. (16 points) Let ¢ be a point…

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 (a) Discuss the two expressions -x;- )² and E(x;- )², both of which are used (n-1) i=1 to measure the spread of a set of observations x1, x2, . .., X. (b) A random sample of n observations is taken from a distribution; the sum of the observations is t, and the sum of the squares of the observations is 12. Explain how to estimate the mean and the variance of the distribution from which the random sample was taken. (c) Given the random sample described in part (b), write down expressions (based on 11 and t2) for estimates of the mean and variance of the mean of a further, independent, random sample of size m , from the original distribution. (d) Given that n = 25, 1, = 400 and t2 = 8800, construct a 99% confidence interval for the mean of the distribution, and use it to test whether or not this mean could be 20.
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X P(x) =C p*q"-x %3D When processing credit-card applications there is a 40% chance that an application will have incomplete or insufficient information and require research. You have 5 applications in your to-do pile and would like to leave early today. (a) Fill in the values: n = q = (b) What is the probability of exactly three applications needing research? (enter a number between 0 and 1, 4 decimal places) Answer= (c) What is the expected number of applications that will need research? Answer= (d) What is the probability of having AT LEAST the expected number of applications needing research? (enter a number between 0 and 1, 4 decimal places) Answer= Please answer all parts of the question.
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Problem 3. (16 points) Let ¢ be a point selected at random uniformly from the unit interval [0,1]. Consider the random variable X = es. (a) (b) ts) Sketch X as a function of C. Find and plot the CDF of X. (c) Find the probability of the events {X > √e} and {e0.25 < X ≤ e0.75}.