**1**Recognizing the properties that probabilities satisfy**1.1**Recognizes number one as the probability of the sample space.**1.2**Recognizes zero as the probability of an impossible event.**1.3**Identifies and explains that the sum of the probabilities of the events of the sample space equals one.**1.4**Deduces that the probability of an event is a number between zero and one.**1.5**Recognizes that the union of events is an event.**1.6**Recognizes that the probability of the union of two events is the addition of the probabilities of each event, and writes down made up examples.

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