Question 261315
12 pieces of paper
eight yellow
4 red.


question a:


p(first red) = 4/12
p(second red) = 4/12


p(red and red) = (4/12) * (4/12) = (16/144) = .11111111...


question b:


p(first red) = 4/12
p(second red) = 3/11


p(red and red) = (4/12) * (3/11) = 12/132 = .0909090909...