14.Probability
easy

ઘટનાઓ $A$ અને $B$ એવા પ્રકારની છે કે $P(A) = 0.42, P(B) = 0.48$ અને $P(A$ અને $B) = 0.16$.$ P(A-$ અથવા $B$) શોધો.

Option A
Option B
Option C
Option D

Solution

It is given that $P ( A )=0.42$, $P ( B )=0.48$, $P ( A $ and $B )=0.16$

We know that $P ( A$ or $B )= P ( A )+ P ( B )- P ( A $ and $B )$

$P ( A$ or $B )=0.42+0.48-0.16=0.74$

Standard 11
Mathematics

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