What Is A Result Of An Experiment?
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What is a result of an experiment?
Answer:
1.3.1 Random Experiments
Before rolling a die you do not know the result. This is an example of a random experiment. In particular, a random experiment is a process by which we observe something uncertain. After the experiment, the result of the random experiment is known. An outcome is a result of a random experiment. The set of all possible outcomes is called the sample space. Thus in the context of a random experiment, the sample space is our universal set. Here are some examples of random experiments and their sample spaces:
Random experiment: toss a coin; sample space: S={heads,tails}S={heads,tails} or as we usually write it, {H,T}{H,T}.
Random experiment: roll a die; sample space: S={1,2,3,4,5,6}S={1,2,3,4,5,6}.
Random experiment: observe the number of iPhones sold by an Apple store in Boston in 20152015; sample space: S={0,1,2,3,⋯}S={0,1,2,3,⋯}.
Random experiment: observe the number of goals in a soccer match; sample space: S={0,1,2,3,⋯}S={0,1,2,3,⋯}.
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