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NCERT Class XII Mathematics Chapter - - Solutions

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Question : 23
Total: 101
Let E and F be events with P(E)=
3
5
, P(F)=
3
10
 and P(E∩F)=
1
5
 Are E and F independent ?
Solution:  
P(E)×P(F)=
3
5
×
3
10
 =
9
50
≠
1
5
=P(E∩F)
Therefore, E and F are not independent.
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