4. Answer these problems where the question uses math symbols: a) X = number of siblings. P(X 3) Compute the answer and explain what it means in the context of the problem. b) P(X 5) Compute the answer and explain what it means in the context of the problem. c) = P(X 2 or X 3) Compute the answer and explain what it means in the context of the problem. d) Compute P( 3 X 7)