You are appointed by Coca Cola to find out the mean number of ounces of Coke that is going in each can. You take a random sample of 100 cans and precisely measure how much each contains. The mean amount in sample is 11.57 ounces, and the standard deviation of sample is .33. Give a range of values which you're 95% sure contains the mean number of ounces in all cans of Coke.