corrected typos & LaTeX eq.
corr. of typos, syntax and minor semantics
scaled F: d -> d_0
corr. of typos, syntax and minor semantics
PM background model: Y_i -> Y_ij etc.
corr. of typos, syntax and minor semantics
when not to norm.: added link to dilution data
coherent formatting of homework assignments
formatting and proper article

LaTeX formula for distribution spec. and _the_ Dilution dataset
Merge pull request #21 from ste-fan/master

correction of typos etc.