:2a. Consider the box of the previous problem.  Suppose 2000 of
the tickets in the box are marked with a "4".  Consider once more
the simple random sample of 100 tickets drawn from the box.  The
chance that the percentage of tickets in the sample which are
marked with a "4" is between 14% and 26% is closest to <p>

a.  38%
 b.  68%
 c.  87%
 d.  95%
 e.  99.7% <p>