Calculate each binomial probability: (a) X = 1, n=8, 1 = 40 (Round your answer to 4 decimal places.) PlX = 1) (b) X= 3, n=9, 1 = 20 (Round your answer to 4 decimal places.) PlX= 3) (c) X= 2, n = 12, 1 = 60 (Round your answer to 4 decimal places.) PlX=2)