Use the calculator provided to solve the following problems. 0 Suppose that x2 follows a chi-square distribution with 19 d_egrees of freedom. Compute P(13 18326). Round your answer to at least three decimal places. 2 2 0 Suppose again that x follows a chi-square distribution with 19 degrees of freedom. Find k such that P(x 2k): 0.1. Round your answer to at least two decimal places. c Find the median of the chi-square distribution with 19 degrees of freedom. Round your answer to at least two decimal places