High Fructose Corn Syrup Consumption
A consumer group claims that the mean annual consumption of high fructose corn syrup by a person in the United States is pounds. A random sample of 120 people in the United States has a mean annual high fructose corn syrup consumption of 49.5 pounds. Assume the population standard deviation is 3.6 pounds. At a=0.05. can you reject the case?