# Probability Formula For Bank Exams PDF Download: Conditional Probability Definition, Examples

Probability Formula PDF: Probability is the mathematical calculation used to calculate the occurrence of all the possibilities for an event to occur in certain random circumstances. Usually, the probability is calculated based on the value between 0 and 1. If the answer is closer to the unit value, the level of certainty is determined. But if the answer is closer to Zero, then the level of certainty is less. There are certain questions that often arise in this topic like, How is a probability calculated for an event? The probability is a chance of prediction of an event. For example, let us assume the chances of an event happening be x, then the chances of an event not happening be 1-x. So, in order to calculate the probability, the probability formula is used. In this article, we explained how is probability calculated?, probability formula for bank exam, probability formulas with examples, probability formula pdf, probability definition, formula for conditional probability, conditional probability definition, and so on in detail.

Probability is one of the interesting and important topics in mathematics. Solving these probability formulas with examples will improve the logical thinking of the students. Probability Formula Class 10 and Probability Formula Class 12 are mainly used by school students who are studying basics in the probability topic. A higher level of probability formula is used by the candidates preparing for the various competitive examinations. This probability formula helps the candidates to solve the given problem easily. This will be possible only when the candidate practices well before the examination. So download the probability formula pdf and ace up your preparation for scoring more marks in the Quantitative Aptitude section.

This Probability Formula for Aptitude section in the Bank Exam also contains the basic probability formulas of Probability Range, Rule of Addition, Rule of Complementary Events, Disjoint Events, Independent Events, Conditional Probability, Bayes Formula, conditional probability definition, and conditional probability formula. So, you can get clarity on how is probability calculated. So make the best use of this probability formula class 10 pdf. Download the probability formula pdf which is enclosed in this probability formula for bank exam post for your future reference.

## Probability Formula PDF For Bank Exams

Here we have provided the probability formula pdf for the candidates to practice more problems. By using the probability formula class 10 pdf, you can solve with speed & accuracy. This probability formula pdf will help you to make your calculations easier while solving the probability problems by using the Probability Formula For Bank Exam. This probability formula pdf also contains the conditional probability definition and formula for conditional probability. Candidates shall download this probability formula pdf for your reference. So, you can easily understand how is probability calculated with the probability formula.

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## Probability Definition

In this Probability Formula for Bank Exam article you can learn about the probability definition and how is probability calculated in the quantitative aptitude section of the bank exams, conditional probability definition, conditional probability formula, and different Probability Formulas with Examples. Probability defines the likelihood of occurrence of an event. There are many real-life situations in which we may have to predict the outcome of an event. We may be sure or not sure about some of the programs or events. In that situation, we can say that there is a probability for the event to occur. This is called the probability definition and the same procedure will be applicable to the probability problems on the quantitative aptitude section of the bank exams. Candidates can download the probability formula pdf which is attached to this Probability Formula For Bank Exam article to know the probability definition.

## Probability Formulas For Bank Exam

The Probability Formula For Bank Exam is given below. Aspirants can go through this Probability Formula For Bank Exam article to be proficient with the probability formulas. You can also download the probability formula pdf for your future reference. By exploiting this probability formula you will get to know how is probability calculated for the bank and other competitive exams. (or) P(A) = n(A)/n(S)

Where,

• P(A) is the probability of an event “A”

• n(A) is the number of favourable outcomes

• n(S) is the total number of events in the sample space

In this Probability Formulas For Bank Exam post, we have provided some basic probability formulas for the banking aspirants. Candidates can check these basic probability formulas in this Probability Formula For Bank Exam article or you can download the probability formula pdf. They are,

• Probability Range

• Rule of Complementary Events

• Disjoint Events

• Independent Events

• Conditional Probability

• Bayes Formula

The aspirants can check the table which is given below to learn more probability formulas for bank exams here. Let A and B be two events. The probability formulas are listed below:

 Basic Probability Formulas Probability Range 0 ≤ P(A) ≤ 1 Rule of Addition P(A∪B) = P(A) + P(B) – P(A∩B) Rule of Complementary Events P(A’) + P(A) = 1 Disjoint Events P(A∩B) = 0 Independent Events P(A∩B) = P(A) ⋅ P(B)) Conditional Probability P(A | B) = P(A∩B) / P(B) Bayes Formula P(A | B) = P(B | A) ⋅ P(A) / P(B)

## Conditional Probability Definition

We have provided the conditional probability definition and formula for conditional probability in this Probability Formulas For Bank Exam post. You will come to know how is probability calculated, conditional probability definition and formula for conditional probability by utilizing this math Probability Formula For Bank Exam article. Conditional probability is known as the possibility of an event or outcome happening, based on the existence of a previous event or outcome. It is calculated by multiplying the probability of the preceding event by the renewed probability of the succeeding, or conditional, event. This is the proper conditional probability definition. You shall check the formula for conditional probability. The formula for conditional probability is,

Formula for Conditional Probability = P(A | B) = P(A∩B) / P(B)

## Probability Formulas with Examples

We are come up with the Probability Formulas with Examples in this probability formula pdf for bank exams article. Candidates can exploit these Probability Formulas with Examples to know how is probability calculated by using the probability formula. You can download the probability formula pdf and start your preparation effectively.

Example 1: What is the probability that a card taken from a standard deck, is a King?

Solution:

Total number of cards a standard deck contains = 52

Number of King cards in a deck of cards = 4

So, the number of favourable outcomes = 4

Now, by using the formula,

Probability of selecting a king from a deck is,

P(King) = (Number of favourable outcomes) / (Total number of favourable outcomes)

P(King) = 4/52

= 1/13

So here we have the probability of getting a king in a standard deck is 1/13.

Example 2: In a bag, there are 6 black balls and 8 blue balls. One ball is selected randomly from the bag. Find the probability of getting a black ball.

Solution:

Let us assume the probability of drawing a black ball to be P(B)

Number of favourable outcomes to get a black ball = 6

Total number of balls in the bag = black balls + blue balls = 14

P(B) = Number of favourable outcomes/Total number of outcomes = 6/14 = 3/7

So, the probability of drawing a black ball in a bag is 3/7.

We hope that this Probability Formula For Bank Exam will be useful for your upcoming competitive examinations. By utilizing this article, you learn about the probability definition, conditional probability definition, conditional probability formula, probability formula, Probability Formulas with Examples, and different probability formulas. Keep in touch with us to know more about the upcoming bank and other competitive exam preparations.

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## Probability Formula For Bank Exam FAQs

Q. What is the probability definition in quantitative aptitude?

A. Probability definition is the likelihood of occurrence of an event. There are many real-life situations in which we may have to predict the outcome of an event.

Q. What is the formula to find the probability?

A. P(A) = Number of favorable outcomes of A / Total number of possible    outcomes (or) P(A) = n(A) / n(S)

Q. What is the formula for the Rule of Addition?

A. P(A∪B) = P(A) + P(B) – P(A∩B)

Q. What is the formula for conditional probability?

A. The formula for conditional probability is, P(A | B) = P(A∩B) / P(B)

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