Question

A bakery wants to determine how many trays of doughnuts it should prepare each day. Demand is normal with a mean of 5 trays and standard deviation of 1 tray. If the owner wants a service level of at least 95% how many trays should he prepare (round to the nearest whole tray)? Assume doughnuts have no salvage value after the day is complete.

5
4
7
unable to determine with the above information
6

Answer 1

7.

The answer and procedures of the exercise are attached in a microsoft excel document.

Explanation

Please consider the data provided by the exercise. If you have any question please write me back. All the exercises are solved in a single sheet with the formulas indications.