QUESTION 6 In a sample of 150 customers of a specific Old Navy store, the customers spent on average $121 per visit with a standard deviation of $18. Write a 99% confidence interval for the average amount of money spent per visit for customers of this store. Label each missing piece of information in the table by using the information provided in the problem or by computing the value based on the given information. Symbol Name Value C sample mean sample standard deviation 149