The margarita is one of the most common tequila-based cocktails, made with tequila mixed with triple sec and lime or lemon juice, often served with salt on the glass rim. a common ratio for a margarita is 2: 1: 1, which includes 50% tequila, 25% triple sec, and 25% fresh lime or lemon juice. a manager at a local bar is concerned that the bartender uses incorrect proportions in more than 50% of margaritas. the manager secretly observes the bartender and finds that the bartender used the correct proportions in only 10 out of 30 margaritas. use the critical value approach to test if the manager’s suspicion is justified at α = 0.05. let p represent the population proportion of incorrectly made margaritas.

Arguments made against free trade include all of the following exceptdumping is an unfair trade practice that puts domestic producers of substitute goods at a disadvantage that they should be protected against. national defense considerations justify producing certain goods domestically whether the country has a comparative advantage in their production or not. free trade is inflationary and should be restricted in the domestic interest. if foreign governments subsidize their exports, foreign firms that export are given an unfair advantage that domestic producers should be protected against. infant industries should be protected from free trade so that they may have time to develop and compete on an even basis with older, more established foreign industries.