A Bakery Wants to Determine How Many Trays of Doughnuts

question 225

Multiple Choice

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 (rounded to the nearest whole tray) ? Assume doughnuts have no salvage value after the day is complete.

• A) 5
• B) 4
• C) 6
• D) 7
• E) unable to determine with the above information

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Definitions:

Trailer Train Combination

The coupling of a tractor unit with one or more trailers in a configuration designed to transport goods, optimizing for load capacity and road safety.

Balanced Braking

The equal application of brakes on all wheels of a vehicle to ensure safe and effective stopping.

TP Valve

Temperature Pressure Relief Valve; a safety device on water heaters to release water should either the temperature or pressure get too high, preventing potential explosions.

Trailer Air Supply

The system that provides compressed air from the tractor to the trailer for operating air brakes and other pneumatic systems.