Solutions for Practice test 3 (postscript)
Solutions for Practice test 3 (pdf)
Note on homework 9: ignore the stuff about odds ratios in 9a.
Ignore the stuff FDR in 9b.
Here is the next homework too:
 Practice test 2 (in postscript) 
 Practice test 2 (in pdf) 
solutions Practice test 2 (in postscript)
solutions Practice test 2 (in pdf)
Practice test 1 (in postscript)
Solutions to Practice test 1 (in ps)