sample space
In probability theory, the sample space, denoted by the symbol “S,” refers to the set of all possible outcomes of an experiment or random event
In probability theory, the sample space, denoted by the symbol “S,” refers to the set of all possible outcomes of an experiment or random event. It represents a complete description of the different outcomes that can occur.
To understand the concept of a sample space, let’s consider a simple example. Suppose we are flipping a fair coin. The sample space for this experiment would consist of two distinct outcomes: “heads” and “tails.” Therefore, S = {heads, tails}.
In more complex scenarios, the sample space can involve multiple outcomes or be infinite. For instance, rolling a fair six-sided die would have a sample space of {1, 2, 3, 4, 5, 6}. On the other hand, if we were to determine the height of a person selected at random, the sample space would be an infinite range of possible values.
It is essential to define the sample space accurately to correctly analyze probabilities of different events within a given experiment. By examining the sample space, we can establish the foundation for calculating probabilities and making statistical inferences.
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