Mathematics, 24.06.2021 19:00, derekcalhoun4943

A company wants to estimate, at a 95% confidence level, the proportion of all families who own its product. A preliminary sample showed that 30.0% of the families in this sample own this company's product. The sample size that would limit the margin of error to be within 0.047 of the population proportion is:

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A company wants to estimate, at a 95% confidence level, the proportion of all families who own its p...