A coin is tossed three times, the number of possible outcomes are :

1. 8

2. 6

3. 10

4. 4

If P(A) denotes the probability of getting an event A. Then P(not getting A) is :

1. 1 - P(A)

2. P(A) - 1

3. P(A)

4. 1 + P(A)