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Probability Tips and Tricks for Government Exams

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FAQs on Probability Tips and Tricks for Government Exams

1. What is probability?
Ans. Probability is a mathematical concept used to quantify the likelihood of an event occurring. It is expressed as a number between 0 and 1, where 0 represents an impossible event and 1 represents a certain event.
2. How is probability calculated?
Ans. Probability is calculated by dividing the number of favorable outcomes by the total number of possible outcomes. This is known as the classical probability formula: P(A) = Number of favorable outcomes / Total number of possible outcomes.
3. What is the difference between theoretical and experimental probability?
Ans. Theoretical probability is based on mathematical calculations and predicts the likelihood of an event occurring under ideal conditions. Experimental probability, on the other hand, is based on actual observations or experiments and calculates the likelihood of an event occurring based on collected data.
4. How do you find the probability of independent events?
Ans. To find the probability of independent events, you multiply the probabilities of each event occurring individually. For example, if the probability of event A is 0.3 and the probability of event B is 0.5, the probability of both events occurring is 0.3 * 0.5 = 0.15.
5. Can probability be greater than 1?
Ans. No, probability cannot be greater than 1. The highest possible probability is 1, which represents a certain event. Any probability greater than 1 would indicate an impossible event or an error in calculation.
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