Question: Let X be a random variable whose probability mass function is given by px(x)=0.5 when x=-1 px(x)=0.2 , x=0 px(x)=0.3, x=3 1) Find Distribution Function

Let X be a random variable whose probability mass function is given by

px(x)=0.5 when x=-1

px(x)=0.2 , x=0

px(x)=0.3, x=3

1) Find Distribution Function of X

2) We define Y=X^(2)+X+1 , Find probability mass function of Y

3) Calculate Mathematical Expictation of X^(3)

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

Q:

e7 thx for help DISTRIBUTION FUNCTION OF THE NORMAL DISTRIBUTION The function tabulated is +() = e- du 0.02 0.03 0.01 0.07 0.09 0.0 0.5000 0.5040 0.5080 0.5120 0.5160 05199 0.5239 0.5279 0.5019...

Q:

Applied Statistics 1 Suppose Exi = 81, = 509, n = 15 and yi = (xi - 5)2, find yi.Let x1, 22, ..., n be a list of n numbers such that n n NO = 10 and Ci = 2. n n i=1 i=1 Find - Cal(xi - 1)(xi + 1).Let...

Q:

Please answer the following question: (a) Let X be a random variable with probability mass function fx(:c) = 2q'\" for a: = 2,3,... where q is a constant. i. Show that q = 1/2. [2 marks] ii. Find the...

Q:

Tukey's HSD test Sleep apnea is a disorder characterized by pauses in breathing during sleep. Children who suffer from untreated sleep apnea often have behavior problems, including hyperactivity,...

Q:

Let x be a random variable with the following probability distribution: X 0 1 2 3 P (x) 0.4 0.3 0.2 0.1 Does x have a binomial distribution? Explain your answer. Please show solution. The answer is...

Q:

4. Suppose X is a discrete random variable with probability mass function (pmf) given by 0.2 for x = -2 P(X = x) = 0.4 for x = 0 0.1 for * = 1 0.3 for x = 8 What is 1 - F(0.5), where F is the...

Q:

I need help with these problems... Answer as directed. Show your complete solutions. 1. Suppose that X is a continuous random variable whose probability density function is given by f(x) = C(4x -...

Q:

I need help with these problems... Answer as directed. Show your complete solutions. 1. Suppose that X is a continuous random variable whose probability density function is given by f(x) = C(4x -...

Q:

Prob.3 A random variable has probability mass function (pmf) given by (Ax2, x = 1, 2, 3, 4 P(X = x) = 10, otherwise (a) Find and sketch the cumulative distribution function, P(X x). (b) Find P(2 X

Q:

Please use C++ for this program. Please read the problem and follow the instruction in main.cpp for this program. Problem: - Design an abstract class called Shape: - Private variables double x and...

Q:

The one-to-one function fis defined below. (x) = 7x-3 x+2 Find f(x), where f is the inverse of f. Also state the domain and range of f in interval notation f (x) Domain of f = Range of f: 0

Q:

Write the balanced chemical equation for the neutralization reaction between H2SO4 and Cr(OH)3. What is the salt?

Q:

A firm's cost of capital reflects Blank _ _ _ _ _ _ . Multiple choice question. only its cost of debt capital its cost of debt capital and its cost of equity capital its cost of debt capital and...

Q:

A company issues 1,050 shares of its common stock for $33,600 cash. Prepare journal entries to record this event under each of the following separate situations.