Question: Let $\mathrm{A}$ and $\mathrm{B}$ be two non-null events such that $A \subset B$. Then, which of the following statements is always correct ?
$\mathrm{P}(\mathrm{A} \mid \mathrm{B})=1$
$\mathrm{P}(\mathrm{A} \mid \mathrm{B})=\mathrm{P}(\mathrm{B})-\mathrm{P}(\mathrm{A})$
$\mathrm{P}(\mathrm{A} \mid \mathrm{B}) \leq \mathrm{P}(\mathrm{A})$
$\mathrm{P}(\mathrm{A} \mid \mathrm{B}) \geq \mathrm{P}(\mathrm{A})$
Correct Option: , 4
Solution:
