Question: The amount of caffeine in can cola is normally distributed. To test the average amount of caffeine in can cola, a random sample of 16 cans of cola was analyzed and found the an average of 65.25 milligrams and a standard deviation of 2.5 milligrams. Does the sample results show sufficient to support the claim that the average amount of caffeine in can cola is less than 68 milligrams? Test at 0.03 level of significance.