A Survey of the Wine Market Has Shown That the Preferred

Short Answer

A survey of the wine market has shown that the preferred wine for 17 percent of Americans is merlot. A wine producer in California, where merlot is produced, believes the figure is higher in California. She contacts a random sample of 550 California residents and asks which wine they purchase most often. Suppose 115 reply that merlot is the primary wine. Calculate the appropriate test statistic to test the hypotheses.