A survey conducted by the Harris polling organization discovered that 63% of all Americans are overweight. Suppose that the 30 adults in a particular office are
weighed.

a) Determine that this particular setting is a BINOMIAL SETTING.

b) Find the probability that exactly 18 members of the class are overweight.

c) Find the probability that no more than half of the class members were overweight.

d) Find the probability that more than 2/3 of the class members are overweight.