Ch 33: Ohio Graduation Test: Probability & Permutations

About This Chapter

With easy-to-follow video lessons and self-check quizzes, this chapter on Probability and Permutations is the perfect way to prepare for related questions on the Ohio graduation test.

Ohio Graduation Test: Probability and Permutations - Chapter Summary

Get ready for the Ohio Graduation Test by studying these handy lessons. This chapter provides a review of calculating probability in several different types of mathematical situations, with video lessons going over the following topics:

  • Calculating simple conditional probabilities
  • The probability of independent and dependent events
  • Using the fundamental counting principle
  • Calculating permutations, the probability of permutations, and the probability of combinations
  • Mathematical combinations

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Ohio Graduation Test: Probability and Permutations Chapter Objectives

The mathematics section of the Ohio graduation test was constructed to take a measurement of your understanding of concepts relevant to five subject areas within mathematics: numbers, number sense and operations; measurement; geometry and spatial sense; patterns, functions and algebra; and data analysis and probability. The test is composed of 32 multiple-choice questions, five-short answer questions and one-extended response question. This chapter will be useful for the data analysis and probability portion of the test, ensuring your preparedness for the probability and permutations questions you'll find on the exam.

7 Lessons in Chapter 33: Ohio Graduation Test: Probability & Permutations
Test your knowledge with a 30-question chapter practice test
How to Calculate Simple Conditional Probabilities

1. How to Calculate Simple Conditional Probabilities

Conditional probability, just like it sounds, is a probability that happens on the condition of a previous event occurring. To calculate conditional probabilities, we must first consider the effects of the previous event on the current event.

Probability of Independent and Dependent Events

2. Probability of Independent and Dependent Events

Sometimes probabilities need to be calculated when more than one event occurs. These types of compound events are called independent and dependent events. Through this lesson, we will look at some real-world examples of how to calculate these probabilities.

How to Use the Fundamental Counting Principle

3. How to Use the Fundamental Counting Principle

There are many situations in which you will have to make several decisions simultaneously. The fundamental counting principle will help you determine how many different possible outcomes there are when you have to make multiple simultaneous decisions.

How to Calculate a Permutation

4. How to Calculate a Permutation

A permutation is a method used to calculate the total outcomes of a situation where order is important. In this lesson, John will use permutations to help him organize the cards in his poker hand and order a pizza.

How to Calculate the Probability of Permutations

5. How to Calculate the Probability of Permutations

In this lesson, you will learn how to calculate the probability of a permutation by analyzing a real-world example in which the order of the events does matter. We'll also review what a factorial is. We will then go over some examples for practice.

Math Combinations: Formula and Example Problems

6. Math Combinations: Formula and Example Problems

Combinations are an arrangement of objects where order does not matter. In this lesson, the coach of the Wildcats basketball team uses combinations to help his team prepare for the upcoming season.

How to Calculate the Probability of Combinations

7. How to Calculate the Probability of Combinations

To calculate the probability of a combination, you will need to consider the number of favorable outcomes over the number of total outcomes. Combinations are used to calculate events where order does not matter. In this lesson, we will explore the connection between these two essential topics.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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