You currently have 50,000 customers and over the years the level of…

Question Answered step-by-step You currently have 50,000 customers and over the years the level of… You currently have 50,000 customers and over the years the level of variability in what a customer has spent each year has consistently had a standard deviation of $6,000.  You only have time to talk to 9 customers and ask each what they plan to spend next year.  Their responses were (in $1,000): 44, 78, 58, 94, 81, 63, 40, 100, 72.  Hint:  Remember the discussion on the Central Limit Theorem. Page 199 of class notes.a. What is the point estimate of total sales?      b. Determine a 95% confidence interval for total sales?  Math Statistics and Probability OPMT 600 Share QuestionEmailCopy link Comments (0)