It is reported that 41% of American households use a cell phone exclusively for their telephone service.

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It is reported that 41% 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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Basic Statistics For Business And Economics

ISBN: 9781260187502

9th Edition

Authors: Douglas A. Lind, William G Marchal, Samuel A. Wathen

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Question Posted: Jan 16, 2019 09:05 AM

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It is reported that 41% of American households use a cell phone exclusively for their telephone service.

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Basic Statistics For Business And Economics

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