If p is the probability of any event A then which one of the following statement is true?

0 ≤ p ≤ 1 p is any positive real number -1 ≤ p ≤ 1 p = 0, $\frac{1}{2}$ or $\pm 1$

0 ≤ p ≤ 1

The correct answer is Option (1) → 0 ≤ p ≤ 1