(5) If Xis a r.v. with mean u and variance o?, using Chebyshev's-Inequality, AX-2 20) S(a) 0.5(b) 0.05(c)0.657(d) 0.25.

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Answered: If Xis a r.v. with mean u and variance…

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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Suppose X is a random variable of a normal distribution with E(X)=2 and Var(X)=4. Find P(X<4)
Q. 35 How do you test the equality of two means of normal populations N(H1,07) and A H2,02) when o and o; are known?
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Suppose that the average height of men in the United States is approximately normallydistributed with a mean of approximately 70 inches and a standard deviation ofapproximately 4 inches. (a) If you take a sample of 4 men, find Pr {68 ≤ Y̅ ≤ 73}, the probability that the sample mean Y̅ will be between 68 and 73 inches. (b) If you take a sample of 16 men, find Pr {68 ≤ Y̅ ≤ 73}, the probability that the sample mean Y̅ will be between 68 and 73 inches. (c) If you take a sample of n men where n > 16, which one of the following is true? (circle one of the three statements.)Pr{68 ≤ Y̅ ≤ 73} > the probability that you found in (b)Pr{68 ≤ Y̅ ≤ 73} = the probability that you found in (b)Pr{68 ≤ Y̅ ≤ 73} < the probability that you found in (b)
Q3/A/ Let X be a r.v with p.d.f f(x) = e-lkl - o
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If Xis a r.v. with mean u and variance o2, using Chebyshev's-Inequality, PX-H 20) S (a) 0.5 (b) 0.05 (c)0.657 (d) 0.25.