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Vocabulary Probability: the chances of an event will happen Certain: the event will definitely happen

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## Vocabulary Probability: the chances of an event will happen Certain: the event will definitely happen

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**Vocabulary**Probability: the chances of an event will happen Certain: the event will definitely happen**It is certain that you will pull a red marble because they**are all red! Impossible: the event will not happen**IMPOSSIBLE!!**But why?**Least likely: an event will probably NOT happen**Most likely: an event probably WILL happen**Least likely**Why??**This one is tricky, what are the chances of pulling out a**green marble? What about purple?**This is considered equally likely.**Equally likely is when there is the same amount of chances of an event happening. There were 7 green marbles and 7 purple marbles.**What are the chances of spinning on purple?**What are the chances of spinning a blue? What are the chances of spinning on purple, green, orange, and red?