[Solution Library] Cell phones. As the newly hired manager of a company that provides cell phone service, you want to determine the percentage of adults in your
Question: Cell phones. As the newly hired manager of a company that provides cell phone service, you want to determine the percentage of adults in your state who live in a household with cell phones and no land-lines phones. How many adults must you survey. Assume that you want to be 90% confident that the sample percentage is within 4 percentage points of the true population percentage.
Deliverable: Word Document 
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