Today we learned about mutually exclusive events. Remember that mutually exclusive means that the two events have nothing in common so you just add their probabilities. Also, non-mutually exclusive means that the two events have at least one thing in common so you have to subtract that common event from the addition of the two separate events.
These questions will always have an "or" in the statement so always check to see if the two events have anything in common.
The even numbered questions are due for marks tomorrow.
We have a unit test coming up on Tuesday, December 3rd.
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