Consider an experiment where we roll a single die and observe the number of dots. The sample space isgiven by S = {1, 2, 3, 4, 5, 6}. Suppose that the die is not fair and that P(x) = xk for x = 1, 2, 3, 4, 5, 6. (e.g.P(3) = 3k.) What is the value of k?