Post Utme Madonna University 2018 General Studies Question 32

Practice objective / multiple choice question 32 from the 2018 Post Utme Madonna University General Studies examination.

Post Utme Madonna University 2018 General Studies Objective / Multiple Choice
Question 32 POST_UTME_MADONNA_UNIVERSITY • 2018 • GENERAL STUDIES • objective

In a probability distribution, the expected value is the long-run average of the variable. What is the expected value of the random variable X, where P(X=1)=0.4, P(X=2)=0.3, and P(X=3)=0.3?

Answer Options

A. 1.2
Correct Answer B. 1.5
C. 1.8
D. 2.1
Correct Answer
B
Correct Option:
1.5

About This Question

This is Post Utme Madonna University 2018 General Studies Question 32. It is one of the objective questions from the 2018 Post Utme Madonna University General Studies examination.

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support