Consider a discrete random variable, X. Identify the correct statement for using the cumulative distribution function (cdf), F(x), to solve theprobability below.P(X < 12)F(12)F(11)F(13) - F(12)1-F(13)F(12) - F(11)1-F(12)F(13)None of the above.

It is given that the X be a discrete random variable.

Answered: Consider a discrete random variable, X.…

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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A- Let x be a discrete random variable with probability distribution function f(x)=k( x2 +20) and x= −1,1,2,3. Find the value of k. Find the Variance of X. B- Let x denote a discrete random variable which can take the values −2,0, and 5. Given that the expectation of X is 8/100 and P(X=−2)=8/20 , find P(X=5).
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Please help me solve this, thank you!
Suppose that X, Y, and Z are jointly distributed random variables, that is, they are defined on the same sample space. Suppose that we also have the following. E(Y) = 4 Var(X) = 24 Var(Y) 18 Var(z)=7 E(X)= -3 E(Z) =-1 Compute the values of the expressions below. E(-4-5X)= 0 %3D ? ()- 0 Var(-3+2.X) = 0

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Consider a discrete random variable, X. Identify the correct statement for using the cumulative distribution function (cdf), F(x), to solve t probability below. P(X < 12) F(12) F(11) F(13) - F(12) 1-F(13) F(12) - F(11) 1-F(12) F(13)