X 0 1 2 3 4 5 P (x) 0.05 0.30 0.30 0.20 0.10 0.05 Send data to Excel Part: 0 / 3 Part 1 of 3 (a) Compute the mean jy . Round the answer to two decimal places. Hy= 2.15 X Part: 1 / 3 Part 2 of 3 (b) Compute the standard deviation o. Round your answer to 4 decimal places if necessary. Ox = 10 X