MCQ
If $A$ and $B$ be two complementary events, then
- ✓$P(A)+P(B)=1$
- B$P(A) \cdot P(B)=1$
- C$P ( A )- P ( B )=1$
- DNone of these
✓
Answer
Correct option: A.
$P(A)+P(B)=1$
(a) $P(A)+P(B)=1$
Explanation:
$P(A)+P(B)=1$
Explanation:
$P(A)+P(B)=1$
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