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It is reported that 16 of American households use a

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.

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.

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