Which of the following cannot be the probability of an event?

1. 0.7

2. $\dfrac{2}{3}$

3. -1.5

4. 15%

If the probability of an event is p, then the probability of its complementary event will be

1. p - 1

2. p

3. 1 - p

4. 1 - $\dfrac{1}{p}$

When a die is thrown, the probability of getting an odd number less than 3 is

1. $\dfrac{1}{6}$

2. $\dfrac{1}{3}$

3. $\dfrac{1}{2}$

4. 0

The probability of getting a number divisible by 3 in throwing a die is

1. $\dfrac{1}{6}$

2. $\dfrac{1}{3}$

3. $\dfrac{1}{2}$

4. $\dfrac{2}{3}$