Question

in addition to selling Christmas trees during the Christmas holiday, Harry’s Hardware sells all the ordinary hardware items. One of the most popular items is great glue. The selling price is $4.00 per bottle but unfortunately the glue gets hard and unusable after 1 month. The coat of the glue is $1.20. During the past several months the mean sales of the glue have been 60 units and the standard deviation is 7. How many bottles of glue should harry’s hardware stock. Assume that sales follow a normal distribution

Answer 1