## RD Sharma Maths Class 12 Chapter 31 Solutions Free PDF Download

## FAQs on Grasp Concepts with RD Sharma Class 12 Maths Solutions Chapter 31 - Probability

**1. What is the law of total probability?**

Let {E_{1}, E_{2}, ..., E_{n} } be a partition of a sample space S, such that each of E_{1}, E_{2}, ..., En has a nonzero probability. Let A be an event associated with S, then according to the law of total probability P(A) = P(E_{1}) P (A|E_{1} ) + P (E_{2}) P (A|E_{2} ) + ... + P (E_{n}) P(A|E_{n} )

**2. What is a random variable?**

A random variable can be defined as a real-valued function for which domain is the sample space of a random experiment.

**3. What is meant by conditional probability?**

Conditional probability is the chance of occurrence of an event, based on the occurrence of a previous event or outcome. The conditional probability of an event B, given the occurrence of the event A can be calculated using the formula P(B|A) = P(A∩B) / P(A)

**4. Are RD Sharma Class 12 Maths Solutions Chapter 31 - Probability good to score better in Class 12 examinations?**

Yes, RD Sharma Class 12 Maths Solutions Chapter 31 - Probability can help students learn more and more of the subject and thus score better grades in the Class 12 examination. This is because, when students practice the solutions mentioned, they deeply learn about the chapter's concepts. So they are well prepared for the examination. The learning power of the students is enhanced due to the proper use of the answering formats followed by the experts.

**5. Where can I find useful study resources for RD Sharma Class 12 Maths Solutions Chapter 31 - Probability?**

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Vedantu offers these free resources, which are created by the subject matter experts. They are masters in their respective fields, and that's why the content is accurate and reliable. Students can find revision notes, important questions, question papers, etc., on the site. These study materials are completely free, and there is no cost involved. To access these useful study resources, all students have to sign in, and then they will be able to download what they want in pdf format online or offline.

**6. Do you have to pay anything for studying RD Sharma Class 12 Maths Solutions Chapter 31 - Probability?**

No, RD Sharma Class 12 Maths Solutions Chapter 31 - Probability is completely free of cost. Students can study it only by logging in to the Vedantu site, which is absolutely free, and just preparing for your examination. They don't need to pay anything to access these RD Sharma Class 12 Maths Solutions Chapter 31 - Probability. These are made for the convenience of the students. They are compiled to make students prepare well for the examination, to make them more adaptive, and make learning fun and enjoyable.

**7. Is there a timeframe a student should keep while studying RD Sharma Class 12 Maths Solutions Chapter 31 - Probability?**

Well, it takes just some time to go through and understand these solutions. They are just made for the convenience of the students. It also depends upon students' memory power and intelligence. It is suggested by the experts to focus on conceptual learning first and then proceed to solve the exercise questions. They can use the solution file to omit doubts and clarify queries faster.

**8. Why should students opt for RD Sharma books?**

As RD Sharma's book contains a large number of well-graded solved examples. Students can practice these solved examples on their own without looking at the solutions and if they find any difficulty in solving the examples, they may look at the solutions if they are unable to solve them. This would help them develop the confidence to attempt unsolved exercises. This is very important if one wants to score well in the examination. You can get them free of cost through the direct links available on our page or get them online.