Question 9 use the calculator provided to solve the following problems. suppose that χ2 follows a chi-square distribution with 18 degrees of freedom. compute p≤χ226. round your answer to at least three decimal places. suppose again that χ2 follows a chi-square distribution with 18 degrees of freedom. find k such that =p> χ2k0.1. round your answer to at least two decimal places. find the median of the chi-square distribution with 18 degrees of freedom. round your answer to at least two decimal places.