14.Probability
easy

$A$ और $B$ दो घटनाएँ इस प्रकार हैं कि $P ( A )=0.54, P ( B )=0.69$ और $P ( A \cap B )=0.35 .$
ज्ञात कीजिए

$P ( A \cup B )$

A

$0.88$

B

$0.88$

C

$0.88$

D

$0.88$

Solution

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

We know that $P (A \cup B)= P ( A )+ P ( B )- P (A \cap B)$

$\therefore P (A \cup B)=0.54+0.69-0.35=0.88$

Standard 11
Mathematics

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