1.  should be C, A, B
2.  NO.  In onder to get that 2.5% > 5K, they seem to be assuming
that income is normally distributed, without more information, they
shouldn't do that.
(I'd probably take any reasonable alternative argument as correct
though)
3. A
4.  use a Z= 1.88, solve for using the mean of 500 and SD of 100
gives you a 688....this is not hard...
5.  everyone should be able to do this...
6.  E.  By adding and multiplying, everything changes 
7.  No.  Evidence of undercoverage (or selection bias  see page 260
of the text) only women reach at home during the day?
Some suggestion of resonse bias (p. 261) even though only
2 of the 10 areas surveyed actually had Domino's pizza, 
nearly 50%  of the surveyed could form an opinion about hte
pizza company and its products.  Perhaps showing them a box
turns out to influence the answer.  This was an actual court
case and was thrown out on these grounds. (the data that is)
8.  C
9.  A multiply .19 and .06
10.  E  add the marginals for Asians and Latinos