# Finite Math Examples

,

Step 1

When and are mutually exclusive events, the probability of or occurring is , which is called the addition rule for mutually exclusive events and .

Step 2

Fill in the known values.

Step 3

Add and .

,

Step 1

When and are mutually exclusive events, the probability of or occurring is , which is called the addition rule for mutually exclusive events and .

Step 2

Fill in the known values.

Step 3

Add and .

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