## Probability

### Probability is a branch of mathematics that deals with the likelihood of success or occurrence of an event

Probability is a branch of mathematics that deals with the likelihood of success or occurrence of an event. It is a numerical measure of uncertainty. In simpler terms, probability is a way to quantify how likely something is to happen. It is used to analyze random phenomena and make informed decisions in uncertain situations.

The probability of an event is determined by the ratio of the number of favorable outcomes to the total number of possible outcomes. It ranges from 0 to 1, where 0 represents an impossible event and 1 represents a certain event.

There are two types of probability: theoretical probability and experimental probability.

1. Theoretical probability: This is based on mathematical reasoning and assumes that all outcomes are equally likely. It is calculated by dividing the number of favorable outcomes by the total possible outcomes. For example, when rolling a fair six-sided die, the probability of rolling a 3 is 1/6.

2. Experimental probability: This is based on empirical evidence from repeated trials or observations. It involves conducting experiments or collecting data to determine the probability of an event. For example, flipping a coin multiple times and recording the number of times it lands on heads can help determine the experimental probability of getting heads.

Probability is widely applicable in various fields, including statistics, economics, gaming, weather forecasting, and making predictions. It helps in understanding the likelihood of events occurring, making informed decisions, and predicting outcomes based on available information.

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