URGENT PLEASE HELP!

Question 4 [4 points]: The following table shows the cumulative distribution function for the random variable X, the number of persons seeking emergency room treatment unneces sarily per day in a small hospital. 0 1 2 3 4 F(x) 0.01 0.11 0.41 0.81 0.91 1 (a) Compute the following probabilities: (i) P(1 3). (b) Compute the expected number of persons seeking emergency room treatment unnec essarily in a day. (c) Compute the probability number of persons seeking emergency room treatment unnec essarily in a day is at most 2. (d) Compute P(X 2 p), where a is the mean number of persons seeking emergency room treatment unnecessarily in a day