If \( \mathrm{A} \) and \( \mathrm{B} \) are arbitrary events, then...
If \( \mathrm{A} \) and \( \mathrm{B} \) are arbitrary events, then
\( \mathrm{P} \)
(1) \( \mathrm{P}(\mathrm{A} \cap \mathrm{B}) \geq \mathrm{P}(\mathrm{A})+\mathrm{P}(\mathrm{B}) \)
W
(2) \( \quad \mathrm{P}(\mathrm{A} \cup \mathrm{B}) \leq \mathrm{P}(\mathrm{A})+\mathrm{P}(\mathrm{B}) \)
(3) \( \quad \mathrm{P}(\mathrm{A} \cap \mathrm{B})=\mathrm{P}(\mathrm{A})+\mathrm{P}(\mathrm{B}) \)
(4) none of these
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