Internet Access
A 2013 Gallup poll indicated that about 80% of U.S. households had access to a high-speed Internet connection. Assume this rate has not changed.
a. Suppose 100 households were randomly selected from the United States. How many of the households would you expect to have access to a high-speed Internet connection?
b. If 10 households are selected randomly, what is the probability that exactly 6 have high-speed access?
c. If 10 households are selected randomly, what is the probability that 6 or fewer have high-speed access?