MCQ
If $P(E)=0.65$, then the value of $P$ (not $E)$ is
- A$1.65$
- B$0.25$
- C$0.65$
- ✓$0.35$
✓
Answer
Correct option: D.
$0.35$
$(d)$
We know that,
$P(E)+P(\operatorname{not} E)=1$
$\Rightarrow 0.65+P(\operatorname{not} E)=1$
$\Rightarrow P(\operatorname{not} E)=1-0.65$
$\therefore P(\operatorname{not} E)=0.35$
We know that,
$P(E)+P(\operatorname{not} E)=1$
$\Rightarrow 0.65+P(\operatorname{not} E)=1$
$\Rightarrow P(\operatorname{not} E)=1-0.65$
$\therefore P(\operatorname{not} E)=0.35$
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