The probability of happening of an impossible event i.e. $P\,(\phi )$ is
The probability of happening of an impossible event i.e. $P\,(\phi )$ is
- A
$1$
- B
$0$
- C
$2$
- D
$-1$
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Let $\Omega$ be the sample space and $A \subseteq \Omega$ be an event. Given below are two statements :
$(S1)$ : If $P ( A )=0$, then $A =\phi$
$( S 2)$ : If $P ( A )=$, then $A =\Omega$
Then
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$(S1)$ : If $P ( A )=0$, then $A =\phi$
$( S 2)$ : If $P ( A )=$, then $A =\Omega$
Then
- [JEE MAIN 2023]
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