It is reported that 16% of American households use a cell phone exclusively for their telephone service.

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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.

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Statistical Techniques In Business And Economics

ISBN: 356

16th Edition

Authors: Douglas Lind, William Marchal

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