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Basic Concepts of Probability Video Lecture - Class 8

FAQs on Basic Concepts of Probability Video Lecture - Class 8

1. What is probability and how is it related to basic concepts?

Ans. Probability is a measure of the likelihood or chance that a specific event will occur. It is related to basic concepts as it helps us understand how likely or unlikely an event is to happen by assigning a numerical value between 0 and 1 to represent the probability.

2. How do we calculate probability?

Ans. Probability can be calculated by dividing the number of favorable outcomes by the total number of possible outcomes. For example, if we want to calculate the probability of rolling a 6 on a fair six-sided die, there is only one favorable outcome (rolling a 6) out of six possible outcomes (numbers 1 to 6), so the probability is 1/6.

3. What are mutually exclusive events?

Ans. Mutually exclusive events are events that cannot occur at the same time. In other words, if one event happens, the other event cannot happen simultaneously. For example, when flipping a coin, getting heads and getting tails are mutually exclusive events.

4. What is the difference between theoretical and experimental probability?

Ans. Theoretical probability is the probability of an event calculated based on mathematical reasoning and assumptions. It is determined by analyzing the possible outcomes of an experiment. Experimental probability, on the other hand, is the probability of an event based on actual observations or experiments. It is determined by conducting multiple trials and recording the outcomes.

5. How does probability help in decision making?

Ans. Probability helps in decision making by providing a rational and logical framework to analyze and assess the likelihood of different outcomes. It allows us to make informed decisions by considering the probabilities of various events occurring. For example, in business or finance, probability can be used to assess the risk and potential returns of different investment options.

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Oct 13, 2025 Last updated

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