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A dot diagram displays all possibilities for a 2-stage event.

It is equivalent to using a table.

But whereas a table represents the outcomes in the squares of the table; a dot diagram represents the outcomes at the vertices of the table, the points where the lines meet.


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Question 1/5

1. Two 4-sided dice are rolled. Use a dot diagram to find the probability that you roll a 1 or a 4. The answer is

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9/16

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