Math Problem Statement
Burrito King (a new fast-food franchise opening up nationwide) has successfully automated burrito production for its drive-up fast-food establishments. The Burro-Master 9000 requires a constant 45 seconds to produce a batch of burritos. It has been estimated that customers will arrive at the drive-up window according to a Poisson distribution at an average of one every 50 seconds. To help determine the amount of space needed for the line at the drive-up window, Burrito King would like to know the following:
What is the average waiting line length (in cars)?
Note: Do not round intermediate calculations. Round your answer to 2 decimal places.
What is the average number of cars in the system (both in line and at the window)?
Note: Do not round intermediate calculations. Round your answer to 2 decimal places.
What is the average time in the system, in minutes?
Note: Do not round intermediate calculations. Round your answer to 2 decimal places.
Solution
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Math Problem Analysis
Mathematical Concepts
Queuing Theory
Probability Distribution
Poisson Process
Exponential Distribution
Formulas
Utilization factor: ρ = λ / μ
Average waiting line length (Lq): Lq = ρ^2 / (1 - ρ)
Average number of cars in the system (Ls): Ls = ρ / (1 - ρ)
Average time in the system (Ws): Ws = 1 / (μ - λ)
Theorems
M/M/1 Queue Model
Suitable Grade Level
College Level (Advanced Mathematics or Operations Research)
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