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Mathematics, 14.03.2020 02:16 startabull

PTC is a substance that has a strong bitter taste for some people and is tasteless for others. The ability to taste PTC is inherited. About 75% of Italians can taste PTC, for example, for example. You want to estimate the proportion of Americans who have at least one Italian grandparent and who can taste PTC. How large a sample must you collect in order to estimate the proportion of PTC tasters to within ±0.05 with 90% confidence?

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