MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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B and C

Suppose x is a random variable best described by a uniform probability distribution with c = 10 and d = 25.
a. Find f(x).
b. Find the mean and standard deviation of x.
c. Graph f(x) and locate u and the interval u±20 on the graph. Note that the probability that x assumes a value within the interval u ± 20 is equal to 1.
a. Find f(x). Choose the correct answer below.
1
(10sxs 25)
15
O B. f(x) = 5 (10 sx)
VA. f(x) =
15
1
O C. f(x) =
(0<x< 25)
10
O D. f(x) =
(25 sx)
10
%3D
b. Find the mean and standard deviation of x.
In
H= 10.75
O = 4.330
(Round to three decimal places as needed.)
1)
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Transcribed Image Text:Suppose x is a random variable best described by a uniform probability distribution with c = 10 and d = 25. a. Find f(x). b. Find the mean and standard deviation of x. c. Graph f(x) and locate u and the interval u±20 on the graph. Note that the probability that x assumes a value within the interval u ± 20 is equal to 1. a. Find f(x). Choose the correct answer below. 1 (10sxs 25) 15 O B. f(x) = 5 (10 sx) VA. f(x) = 15 1 O C. f(x) = (0<x< 25) 10 O D. f(x) = (25 sx) 10 %3D b. Find the mean and standard deviation of x. In H= 10.75 O = 4.330 (Round to three decimal places as needed.) 1)
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