Assuming the pmf is a valid one, what is the value of –, the missing value? b. What is the expected value of X? c. Given that X is less than or equal to 3, what is the probability that X is equal to 1?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question

2. Say X is the number of days a registered student goes to campus (they are on campus at least 1 day a week). You are given the following pmf table for X, but one of the values is missing (–).

a. Assuming the pmf is a valid one, what is the value of –, the missing value?

b. What is the expected value of X?

c. Given that X is less than or equal to 3, what is the probability that X is equal to 1?

d. What is the expected value of X given X is less than or equal to 3?

 

X
P(X = x) = f(x)
4 5
1
2 3
0.2 0.2 0.3 0.2
Transcribed Image Text:X P(X = x) = f(x) 4 5 1 2 3 0.2 0.2 0.3 0.2
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 5 steps with 3 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman