Statistics Examples

Find P(A∪B) for not Mutually Exclusive Events A and B
, ,
Step 1
When and are not mutually exclusive events, the probability of or occurring is , which is called the addition rule for not mutually exclusive events and .
Step 2
Fill in the known values.
Step 3
Multiply by .
Step 4
Add and .
Step 5
Subtract from .
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