Mathematics, 30.03.2020 20:23 renaudciera
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-line phones. How many adults must you survey? Assume that you want to be 90% confident that the sample percentage is within four percentage points of the true population percentage. Assume that a recent survey suggests that about 8% of adults live in a household with cell phones and no land-line phones.
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As the newly hired manager of a company that provides cell phone service, you want to determine the...
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