The article referenced in Example 8.11 also reported that in a sample of 106 wine consumers, 22 (20.8%) 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.

a. Using a significance level of .10, what would you recommend to the winery?

b. For the hypotheses tested in (a), describe in context what the type I and II errors would be, and say which type of error might have been committed.