The concentration of a reactant is a random variable with probability density function2e-20

Given the probability density function for the random variable, the concentration of a reactant as…

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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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Data are obtained on the location of incidents on a 12-kilometer-long bridge. The distribution of the distance along the bridge (in kilometers) where an incident occurs is depicted in the density curve below. 12 Distance (kilometers) along the bridge where an accident occurs 12 1. The probability of an incident that occurs in any 4 kilometers long bridge segment is always distributed over any 4-kilometer interval. A. 1/3, uniformly B. 1/3, not uniformly C. 1/6, uniformly D. 1/2, not uniformly To put it another way, the probability is 2. What is P(9 < X < 12)? 1 Same as P(2 < X < 5). 2. Same as P(2 s X < 5). 3. Same as P(2 < X < 5). 4. Same as P(2 < X < 5). A. 1 B. 1 and 2 C. 2, 3, and 4 D. 1. 2. 3, and 4
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I. ket x the number of flaws I" length denote copper wire. The probability mass function of X is presented in the followming table: P(X =x). 0.48 0.39 0-12 3 0.01 gre sampled from this population What is the One hundred wires probabili ty that the average number of flaws Per wire in this sample is less than 0.5?
Given the random variable X and its probability density function below find the standard deviation of X. Pr(X) 0.1 0.9 3.
A scout on a camping trip is requested to find some dry sticks of length at most one metre to use as firewood. A model for the distribution of the lengths, X, in metres, of sticks that she brings back to the probability density function camp has f (x) =V, 0 < x < 1. %3D According to the model, what is the standard deviation of the lengths of the sticks that the scout brings back?

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The concentration of a reactant is a random variable with probability density function 2e-2 0