Fifty-five percent of adults say cashews are their favorite kind of nut.  You randomly select 12 adults and ask each to name his or her favorite nut.  To three significant digits, find the probability that the number who say cashews are their favorite nut is:

1. exactly three.
   {#1}
   
   
2. at least four.
   {#2}
   
   
3. at most two.
   {#3}