Question

Let S be the sample space of all 3 x 3 matrices with entries from the set {0, 1}. Let the events E₁ and E₂ be given by
E₁ = {A ∊ S : det A = 0} and
E₂ = {A ∊ S : sum of entries of A is 7}
If a matrix is chosen at random from S, then the conditional probability P(E₁ /E₂ ) equals _____

Answer 1

Answer:

very difficult question to answer