## Exam - Focused Revision Notes for CBSE Class 10 Maths Chapter 15 - Probability

Probability Class 10 Notes CBSE Maths Chapter 15 (Free PDF Download)

## FAQs on Probability Class 10 Notes CBSE Maths Chapter 15 (Free PDF Download)

1. What are the different types of events?

There are three different types of events:

Certain events: These events are guaranteed to happen. For example, the sun will rise tomorrow.

Impossible events: These events can never happen. For example, a coin will land on heads and tails at the same time.

Random events: These events can happen or not happen, and the outcome is uncertain. For example, the outcome of a coin toss.

2. What is a theoretical approach to understanding probability according to Revision Notes of Chapter 15 of Class 10 Maths?

The coin example is best used to understand the concept of mathematical probability. We are all well aware that a coin can land in only one of two ways - head up or tail up. Each outcome can be deemed as likely to occur. Thus, there is a 50% chance of the coin landing on heads or landing on tails. This is a simple theoretical approach that can be used to understand the probability of an event.

3. What is the formula used to calculate probability according to Revision Notes of Chapter 15 of Class 10 Maths?

Classical probability of an event, denoted as P(E), is calculated by dividing the number of outcomes favourable to the event by the number of all possible outcomes of the experiment. Pierre Simon Laplace laid down the principles of this theory in 1795. To understand probability better, you should refer to Revision Notes of Chapter 15 of Class 10 Maths. These will help you build your concepts as well as score good marks in your exams.

4. Can you explain the difference between experimental and theoretical probability according to Revision Notes of Chapter 15 of Class 10 Maths?

The experimental probability is also called empirical probability. It describes an event based on what has actually happened. This is in contrast to the theoretical probability of the event which aims to predict what will happen on the basis of certain assumptions. As the number of trials in an experiment increases, it is safe to say that the experimental and theoretical probabilities are likely to end up being almost the same.

5. Why is Chapter 15 of Class 10 Maths important?

Probability has several real-life applications as well. Even in the field of computer science and engineering, probability plays a crucial role. Modeling and reconstruction of internet data is done mainly using the principles of probability. Network traffic is also modelled and an analysis of algorithms and graphs is made. Several upcoming modern AI tools also depend upon probabilistic analysis to handle speech recognition. A class 10 student interested in this field should definitely check out Revision Notes of Chapter 15 of Class 10 Maths.

6. How can I score well in Chapter 15 of Class 10 Maths important for my exams?

Any chapter in Maths requires thorough and continuous revision. You cannot solve the sums if you do not keep yourself in the habit of practicing questions. Be consistent and stick to your NCERT maths textbook. Solve as many previous year question papers as you can get your hands on. Ask seniors and teachers for any helpful advice and watch Vedantu math lectures in case you feel like you need expert assistance to prepare for Revision Notes of Chapter 15 of Class 10 Maths.