14.Probability
easy

$A$ અને $B$ બે ઘટનાઓ એવા પ્રકારની છે કે $P(A) = 0.54, P(B) = 0.69$ અને$P(A \cap B)=0.35$  $P \left( A ^{\prime} \cap B ^{\prime}\right)$ શોધો.  

Option A
Option B
Option C
Option D

Solution

It is given that $P ( A )=0.54$,  $P ( B )=0.69$,  $P (A \cap B)=0.35$

$A^{\prime} \cap B^{\prime}=(A \cup B)^{\prime}$         [by De Morgan's law]

$\therefore P \left(A^{\prime} \cap B^{\prime}\right)$ $= P (A \cup B)^{\prime}=1- P (A \cup B)=1-0.88=0.12$

Standard 11
Mathematics

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