K Consider the following probability distribution. Complete parts a through f below. X p(x) a. Find . 1 1 3 5 1 3 9 1 X p(x) (Type integers or simplified fractions.) 3 ... = 5.00 (Type an integer or decimal rounded to two decimal places as needed.) b. For a random sample of n = 3 observations from this distribution, find the sampling distribution of the sample mean. Type the answers in ascending order for x.