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In a sample of 100 wine consumers, 20 thought that screw tops were an acceptable substitute for natural corks. Suppose a particular winery decided to

In a sample of 100 wine consumers, 20 thought that screw tops were an acceptable substitute for natural corks. Suppose a particular winery decided to use screw tops for one of its wines unless there was strong evidence to suggest that fewer than 25% of wine consumers found this acceptable.

Using a significance level of 0.05, what would a recommendation be to the winery? Write down the hypothesis and show all steps for testing the hypothesis.

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