Lesson: Applied Arithmetic - 24

Probability

[Page 24 of 36]
Probability studies the possible outcomes of given events together with the outcomes' relative likelihoods and distributions. In common usage, the word "probability" is used to mean the chance that a particular event (or set of events) will occur expressed on a linear scale from 0 (impossibility) to 1 (certainty).

Video Lesson - Probability

Probability is just a special type of ratio that represents the likelihood that something will occur.

To find probabilities when all the outcomes have the same chance of occurring, count the number of desired outcomes and divide by the number of possible outcomes:

Probability =

Example:

What is the probability of throwing a 5 on a fair six-sided die?

There is 1 desired outcome - throwing a 5.
There are 6 possible outcomes - one for each side of the die.
So the probability is .

Let's try an in-format question.

BackNext

Next to display next topic in the chapter.

Video Lessons and 10 Fully Explained Grand Tests

Large number of solved practice MCQ with explanations. Video Lessons and 10 Fully explained Grand/Full Tests.

Quantitative Aptitude Reasoning English General Knowledge Picture Patterns
More for You
MCQ with question Explanations Scholarships and Financial Aid

Quantitative Comparison

Learn techniques how to crack quantitative comparison section

Arithmetic

Lessons on Basic to Advance Arithmetic with practice questions

GRE Physics

Find what is GRE Physics and how to appear in the test

All in this Category

You may be interested in

Colleges in Quetta

Find a comprehensive list of major ...

Overseas Pakistanis Foundation Boys College

A chain of colleges by Overseas Pak ...

CSS and PMS Essays

A list of written essays for CSS an ...

Interviews

How to deal with job or admission I ...

Admission and Employment Tests

Announcements of Admission and Empl ...

ISSB Verbal Intelligence Tests

Learn all about ISSB Verbal Intelli ...

NUST- National University of Sc and Tech

A big name in Pakistan for science ...

NTU National Textile University

National Textile University is popu ...

About us

EntryTest.com is a test preparation service for students seeking successful career.

About Disclaimer

Quick Test Prep

NUST NET IBA Karachi SAT LUMS LCAT LSE

 

NTS GAT NTS NAT GMAT GRE ACT

Study Abroad

Education Abroad Business Schools MS in USA