Suppose a fast-food wishes to estimate averages sales volume for a new menu item. The restaurant has analyzed the sales of the item at a similar outlet and observed the following results:
Mean= 500 (mean daily sales)
S= 100 (STANDARD DEVIATION OF SAMPLE)
N=25 (sample size)
The restaurant manager wants to know into what range the mean daily sales should fall 99% of the time. Perform the calculation. (Respond in detail)