74% of all Americans live in cities with population greater than
100,000 people. If 39 Americans are randomly selected, find the
probability that
a. Exactly 27 of them live in cities with population greater
than 100,000 people.
b. At most 27 of them live in cities with population greater
than 100,000 people.
c. At least 30 of them live in cities with population greater
than 100,000 people.
d. Between 28 and 32 (including 28 and 32) of them live in...