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The discrete random variable X has a probability function: kx „x= 2,3 ( +1) P(X=x)={_2kx (*-1) x-4,5 (a) Find the value of k. (b) Write down the probability distribution of X. (c) Fin the probability that X is less 3 or greater than 4.

The discrete random variable X has a probability function: kx „x= 2,3 ( +1) P(X=x)={_2kx (*-1) x-4,5 (a) Find the value of k. (b) Write down the probability distribution of X. (c) Fin the probability that X is less 3 or greater than 4.

MATLAB: An Introduction with Applications
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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Question 4 The discrete random variable X has a probability function: kx „x= 2,3 (x* +1) P(X=x) ={_2kx (x²-1) x= 4,5 (a) Find the value of k. (b) Write down the probability distribution of X. (c) Fin the probability that X is less 3 or greater than 4. (d) Find F(3.2). (e) Find the E(X) and Var(X).
Transcribed Image Text:Question 4 The discrete random variable X has a probability function: kx „x= 2,3 (x* +1) P(X=x) ={_2kx (x²-1) x= 4,5 (a) Find the value of k. (b) Write down the probability distribution of X. (c) Fin the probability that X is less 3 or greater than 4. (d) Find F(3.2). (e) Find the E(X) and Var(X).
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