It is reported that 16% of American households use a cell phone exclusively for their telephone service. In a sample of eight households,
a. Find the probability that no household uses a cell phone as their exclusive telephone service.
b. Find the probability that exactly 5 households exclusively use a cell phone for telephone service.
c. Find the mean number of households exclusively using cell phones.Solution: |

New search. (Also 1294 free access solutions) |