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5th Grade Math Vocabulary - Probability (sheet from teacher)

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
probability   the likelihood that an event will happen  
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prediction   a reasonable guess to the outcome of an event  
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outcomes   a possible result of an experiment  
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experimental probability   the ratio of the number of times an event occurs to the total number of trials or times the activity is performed  
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event   a set of outcomes  
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equally likely   having the same chance of occurring  
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sample space   the set of all possible outcomes  
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theoretical probability   a comparison of the number of favorable outcomes to the number of possible equally likely outcomes. This is a mathematical calculation.  
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trial   a single event  
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tree diagram   an organized list that shows all possible outcomes for an event  
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combination   a choice in which the order of the items does not matter  
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arrangement   an ordering of items  
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likely   having a greater than even chance of happening  
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unlikely   having a less than even chance of happening  
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impossible   having no chance of happening  
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median   the middle number in a set of data that have been ordered  
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mode   the most repeated number in a set of data  
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range   the difference between the largest and the smallest number in a set of data  
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frequency table   a table that uses numbers to record data about how often something happens  
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