Mathematics, 17.03.2020 17:02 lolgirl9757
An advertising firm plans to have a sample of individuals view a commercial on a ‘‘sunscreen pill" that one can swallow to provide mild SPF protection throughout the day. After viewing the commercial, each individual will be asked if he/she would consider buying the product. How many individuals should the firm sample to estimate the proportion who would consider buying the product to within a margin of error +-3% with 90% confidence?
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An advertising firm plans to have a sample of individuals view a commercial on a ‘‘sunscreen pill" t...
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