# 11.4.1. Calculating Probability

If

- A
- B
- C
- D

### Example

If

### Solution

The events

De Morgan's Second Law states that

The notation

Thus, the probability of the occurrence of event

If

- A
- B
- C
- D

The events

De Morgan's Second Law states that

The notation

Thus, the probability of the occurrence of event

0

correct

0

incorrect

0

skipped

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