Test Index

TANCET 2021 Solved Papers

Question : 51 of 100

Marks: +1, -0

If A and B are two non-mutually exclusive events then

$\mathrm{P}(\mathrm{A}$ or B $)=\mathrm{P}(\mathrm{A})+\mathrm{P}(\mathrm{B})$ .
$P(A$ or $B)=P(A)+P(B)-P(A B)$
$P(A$ or $B)=P(A) \cdot P(B)$
$P(A$ or $B)=0$

Solution:

A

and

B

are non-mutually exclusive events then

\begin{aligned} P(A \text { or } B) & =P(A \cup B) \\ & =P(A)+P(B)-P(A B) \end{aligned}

Go to Question:

Prev Question

Next Question