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

Data Sufficiency

Easily crack the most logical section of the GMAT

SAT-Subject Physics

Lessons and practice questions with answers of SAT-II Physics

All in this Category

You may be interested in

Colleges in Quetta

Find a comprehensive list of major ...

Colleges in Dera ismail khan

Find major schools in your location ...

Study in Australian Universities

Austrlian universities and system o ...

Interviews

How to deal with job or admission I ...

ISSB Tests

Learn about ISSB - Armed forces rec ...

ISSB - G.T.O. Tasks

Learn all about to deal ISSB - G.T. ...

IBA - Institute of Business Administration

A big name in business management s ...

HU - Hamdard University

Hamdard University is a multi-campu ...

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