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14.Probability
easy
ચકાસો કે નીચેની સંભાવનાઓ $P(A)$ અને $P(B)$ સુસંગત રીતે વ્યાખ્યાયિત છે.
$P ( A )=0.5$, $ P ( B )=0.4$, $P ( A \cap B )=0.8$
Option A
Option B
Option C
Option D
Solution
$P ( A )=0.5$, $P ( B )=0.4$, $P (A \cup B)=0.8$
It is known that if $E$ and $F$ are two events such that $E \subset F,$ then $P ( E ) \leq P ( F )$
Here, it is seen that $P (A \cup B)> P ( A )$ and $P (A \cup B)> P ( B )$
Hence, $P(A)$ and $P(B)$ are consistently defined.
Standard 11
Mathematics
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