MatricesMedium
Question
A 2 × 2 matrix is chosen from set of all matrices with elements 0,1 or -1 only.
If A : the event that selected matrix is symmetric
B : the event that selected matrix is skew symmetric
If A : the event that selected matrix is symmetric
B : the event that selected matrix is skew symmetric
Options
A.P(A) = 
B.P(B) =
C.A & B are independent events
D.A & B dependent events
Solution
P(A) = 
P(B) =
A ∩ B is
only
⇒ P(A ∩ B) =
P(B) =
A ∩ B is
only⇒ P(A ∩ B) =
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