According to an article appearing in the Wall Street Journal, about 35% of all U.S. households have a cellular phone. Suppose that you are conducting a survey of customer satisfaction regarding their cellular phone. If you called 11 households at random, what is the probability that
a. every household has a cellular telephone?
b. more than four households have a cellular phone?
c. fewer than five do not have a cellular phone?
d. more than 7 do not have a cellular phone?