A Parents Group in New York City Was Concerned with the Alcohol

Short Answer

A parents group in New York City was concerned with the alcohol content in an over-the-counter cough syrup.They felt that the content was greater than the 2 cc/bottle stated on the label.A sample of 30 bottles showed an average alcohol content of 3.1 cc/bottle with a standard deviation of 2 cc./bottle.Using a 0.05 level of significance and assuming a normal distribution,does the sample indicate that the alcoholic content is above 2 cc/bottle?
Appropriate test: ____________________
Test statistic = ____________________
Conclusion: ____________________
Interpretation: _________________________________________________________