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What is Probability? Video Lecture - Class 9
FAQs on What is Probability? Video Lecture - Class 9
| 1. What is probability? |  |
Ans. Probability is a measure of the likelihood or chance of an event occurring. It is expressed as a number between 0 and 1, where 0 represents impossibility and 1 represents certainty.
| 2. How is probability calculated? | |
Ans. Probability is calculated by dividing the number of favorable outcomes by the total number of possible outcomes. It is often expressed as a fraction, decimal, or percentage.
| 3. What are the different types of probability? | |
Ans. There are three main types of probability: theoretical probability, experimental probability, and subjective probability. Theoretical probability is based on mathematical calculations, experimental probability is based on actual observations or experiments, and subjective probability is based on personal judgments or opinions.
| 4. What is the difference between independent and dependent events in probability? | |
Ans. Independent events are those where the outcome of one event does not affect the outcome of another event. For example, flipping a coin twice. Dependent events, on the other hand, are those where the outcome of one event does affect the outcome of another event. For example, drawing cards from a deck without replacement.
| 5. How is probability used in real-life situations? | |
Ans. Probability is widely used in various real-life situations. It is used in weather forecasting, predicting stock market trends, calculating insurance rates, analyzing sports statistics, and making decisions based on uncertain outcomes. Probability helps us understand and quantify uncertainty in many aspects of our daily lives.
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Nov 09, 2024 Last updated |
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