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If one of outcomes cannot be expected to occur in preference to the other in an experiment the events are
  • a)
    simple events
  • b)
    compound events
  • c)
    favourable events
  • d)
    equally likely events
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
If one of outcomes cannot be expected to occur in preference to the ot...
Equally Likely Events:
In an experiment, if one outcome cannot be expected to occur in preference to the other, the events are said to be equally likely. This means that all possible outcomes have an equal chance of occurring. For example, flipping a fair coin has two equally likely outcomes - heads or tails.

Explanation:
When we conduct an experiment, we are interested in the different outcomes that can occur. These outcomes are known as events. In some experiments, the outcomes may have different probabilities of occurring. However, in other cases, the outcomes may have the same probability of occurring. When the outcomes have the same probability, they are considered equally likely events.

For example, consider rolling a fair six-sided die. Each face of the die has an equal chance of landing face up. Therefore, the outcomes of rolling the die are equally likely events. Each outcome - 1, 2, 3, 4, 5, and 6 - has a probability of 1/6 of occurring.

Similarly, consider drawing a card from a well-shuffled deck of 52 cards. Each card in the deck has an equal chance of being drawn. Therefore, the outcomes of drawing a card from the deck are equally likely events. Each outcome - any of the 52 cards - has a probability of 1/52 of occurring.

In both of these examples, no outcome can be expected to occur in preference to the others because they all have the same probability. Therefore, the events are equally likely.

Conclusion:
When conducting an experiment, if the outcomes of the experiment have the same probability of occurring, they are considered equally likely events. This means that no outcome can be expected to occur in preference to the others. Equally likely events are important in probability theory as they help us calculate the probabilities of different outcomes and make predictions based on those probabilities.
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If one of outcomes cannot be expected to occur in preference to the ot...

  1. Introduction:

  2. In an experiment, there are various possible outcomes or events that can occur. These events can have different probabilities associated with them, indicating the likelihood of their occurrence. In some cases, the probabilities of two or more events may be the same, meaning that none of the outcomes can be expected to occur in preference to the others. This concept is referred to as equally likely events.

  3. Definition of Equally Likely Events:

  4. Equally likely events refer to a situation where two or more outcomes in an experiment have the same probability of occurring. This means that there is no preference or bias towards any particular outcome.

  5. Example:

  6. Let's consider the example of flipping a fair coin. The possible outcomes are getting a heads or getting a tails. In this case, both outcomes have an equal probability of 1/2 or 0.5. Since the probability of getting heads is the same as the probability of getting tails, these events are equally likely.

  7. Characteristics of Equally Likely Events:

  8. Equally likely events possess the following characteristics:


    • Each event has the same probability of occurring.

    • There is no bias or preference towards any particular outcome.

    • The sum of the probabilities of all the equally likely events is equal to 1.


  9. Significance of Equally Likely Events:

  10. Equally likely events are important in probability theory as they simplify calculations and allow for more accurate predictions. When events are equally likely, the probability of an event occurring can be calculated by dividing the number of favorable outcomes by the total number of possible outcomes. This concept forms the basis for many probability calculations and helps in making informed decisions.

  11. Conclusion:

  12. Equally likely events occur when the probabilities of two or more outcomes in an experiment are the same. These events have equal chances of occurring and do not exhibit any preference or bias towards a specific outcome. Understanding equally likely events is crucial in probability theory and aids in making accurate predictions and decisions.

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If one of outcomes cannot be expected to occur in preference to the other in an experiment the events area)simple eventsb)compound eventsc)favourable eventsd)equally likely eventsCorrect answer is option 'D'. Can you explain this answer?
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