Please help. Very confused on B part

TOITICWORK. FTVVO. I Save Score: 0 of 1 pt 4 of 4 (0 complete) HW Score: 0%, 0 of 6 pts 5.2.8 Question Help Consider the following probability distribution Complete parts a through e X Inc p(x) a. Find u 3.25 (Round to the nearest thousandth as needed.) Find 62 7 688 (Round to the nearest thousandth as needed.) b. Find the sampling distribution of the sample mean x for a random sample of n = 2 measurements from this distribution. Put the answers in ascending order for x X 0 5 1 15 2 6 p(x) 0625 125 625 25 25 (Do not round.)