−≤P(x)≤1-\leq P(x) \leq 1−≤P(x)≤1
0≤P(x)≤10 \leq \mathrm{P}(\mathrm{x}) \leq 10≤P(x)≤1
P(x)≥1P(x) \geq 1P(x)≥1
0≤P(x)≤∞0 \leq \mathrm{P}(\mathrm{x}) \leq \infty0≤P(x)≤∞