Practice Questions on Calculating Probability Using Combination

Q1. A committee of 4 people is to be selected from a group of 10 people. What is the probability that a specific person, Alice, is on the committee?

Q2. From a standard deck of 52 cards, 5 cards are drawn at random. What is the probability that all 5 cards are of the same suit?

Q3. A class has 12 boys and 8 girls. If a group of 5 students is selected at random, what is the probability that the group will consist of 3 boys and 2 girls?

Q4. A jar contains 7 red marbles and 5 blue marbles. If you draw 3 marbles at random, what is the probability that exactly 2 of them are red?

Q5. From a shelf of 8 math books and 6 science books, you randomly select 4 books. What is the probability that you select 2 math books and 2 science books?

How To Calculate Probability using Combination

Combination probability is a mathematical method that involves the process of combination in determining the number of favorable outcomes of an event. We use combinations in probability problems to determine a sequence of outcomes where the order of the outcomes does not matter. Understanding how to calculate combination probability can be a useful mathematical skill in the field of math and science.

In this article, we will discuss in detail the definitions of combination and probability and how to calculate combination probability with solved examples.

Table of Content

  • What is Combination Probability in Math?
    • Combination in Math
    • What is Probability?
  • Formula for Calculating Probability using Combination
  • How to Calculate Combination Probability?

Similar Reads

What is Combination Probability in Math?

Combination probability, also known as the probability of combinations, involves the process of determining the possibility of specific subset from a large set regardless to the order in which the subsets are chosen. Combination probability has wide range of application in games, statistics, gambling, genetics, etc....

Formula for Calculating Probability using Combination

To calculate combination probability, it is important to use the correct formula to find the probability of a specific outcome. There are four formula’s to calculate the probability. They are,...

How to Calculate Combination Probability?

Combination is a mathematical concept which helps us in determining the possible outcomes of an event. To calculate combination probability we have to follow several steps and utilize several formulas. They are discussed below:...

Solved Examples on Calculation of Combination Probability

Example 1. In a team, 3 boys and 4 girls are there. Among them 4 members need to be selected for one round of a game. Find the probability of selecting an equal number of boys and girls?...

Practice Questions on Calculating Probability Using Combination

Q1. A committee of 4 people is to be selected from a group of 10 people. What is the probability that a specific person, Alice, is on the committee?...

FAQs on Calculation of Combination Probability

Why do we use combination probability?...