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FAQs on Visual Worksheet: Probability - Science Class 10

1. What is the definition of probability?
Ans. Probability is a measure of the likelihood that a particular event will occur. It is quantified as a number between 0 and 1, where 0 indicates impossibility and 1 indicates certainty. The probability of an event can be calculated using the formula: Probability (P) = Number of favorable outcomes / Total number of possible outcomes.
2. How do you calculate the probability of multiple events occurring together?
Ans. To calculate the probability of multiple independent events occurring together, you multiply the probabilities of each individual event. For example, if the probability of event A occurring is P(A) and the probability of event B occurring is P(B), then the probability of both A and B occurring is P(A and B) = P(A) * P(B).
3. What is the difference between independent and dependent events in probability?
Ans. Independent events are those whose occurrence does not affect the probability of each other. For example, flipping a coin and rolling a die are independent events. Dependent events are those where the outcome or occurrence of one event affects the probability of another event. An example of dependent events is drawing cards from a deck without replacement.
4. What is the significance of the sample space in probability?
Ans. The sample space is the set of all possible outcomes of a probability experiment. It is significant because it provides the framework for calculating probabilities. Understanding the sample space helps in determining the total number of outcomes, which is essential for calculating the probability of specific events.
5. How can probability be applied in real-life situations?
Ans. Probability can be applied in various real-life situations such as risk assessment in finance, predicting weather conditions, making decisions in healthcare, and analyzing data trends in business. It helps individuals and organizations make informed decisions based on the likelihood of various outcomes.
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