Answered: Let X be a discrete random variable…

Let X be a discrete random variable with probability mass function given by 1 3 p(x) 1/4 1/2 1/8 1/8 a) Verify that p(x) is a valid probability mass function. b) Find P(X < 1). c) Find P(X <1|X < 2).

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

This is a Statistics problem. Please explain each step thoroughly.

The problem I'm having issues with is shown below:

Question 2
Let X be a discrete random variable with probability mass function given by
1
3
p(æ) 1/4 1/2 1/8 1/8
a) Verify that p(x) is a valid probability mass function.
b) Find P(X < 1).
c) Find P(X < 1|X < 2).
d) Find P(X < 2UX < 1).

Expert Solution

Step 1

We want to verify given pmf is valid and also find probability

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